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1
Williams, Christopher K. I. "The Effect of Class Imbalance on Precision-Recall Curves." Neural Computation 33, no. 4 (April 1, 2021): 853–57. http://dx.doi.org/10.1162/neco_a_01362.
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In this note, I study how the precision of a binary classifier depends on the ratio r of positive to negative cases in the test set, as well as the classifier's true and false-positive rates. This relationship allows prediction of how the precision-recall curve will change with r, which seems not to be well known. It also allows prediction of how Fβ and the precision gain and recall gain measures of Flach and Kull (2015) vary with r.
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Rogers, Kim, Phillip M. Campbell, Larry Tadlock, Emet Schneiderman, and Peter H. Buschang. "Treatment changes of hypo- and hyperdivergent Class II Herbst patients." Angle Orthodontist 88, no. 1 (October 10, 2017): 3–9. http://dx.doi.org/10.2319/060117-369.1.
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ABSTRACT Objectives: To determine the relative effects of Herbst appliance therapy in hypo- and hyperdivergent patients. Materials and Methods: The treated group included 45 growing Class II, division 1, patients treated with stainless steel crown Herbst appliances, followed by fixed edgewise appliances. The untreated control group consisted of 45 Class II, division 1, subjects, matched to the treated sample based on Angle classification, age, sex, and pretreatment mandibular plane angle (MPA). Subjects were categorized as hypo- or hyperdivergent based on their MPAs. Pre- and posttreatment cephalograms were traced and superimposed on cranial base and mandibular structures. Results: The primary effect of the Herbst in terms of maxillomandibular correction was in the maxilla. It significantly restricted maxillary growth, producing a “headgear effect.” Mandibular treatment changes depended on divergence. Hyperdivergent patients experienced a deleterious backward true mandibular rotation with Herbst treatment. Hypodivergent patients, as well as untreated hypo- and hyperdivergent controls, underwent forward true mandibular rotation. However, hypodivergent chins did not advance any more than expected for untreated hypodivergent Class II patients. Conclusions: Hypo- and hyperdivergent patients benefit from the Herbst's headgear effect. While the mandibular growth of hypodivergent patients overcomes the negative rotational effects, hyperdivergent patients undergo a deleterious backward mandibular rotation and increases in facial height.
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Kern, Elisandra Lurdes, Jaime Araujo Cobuci, José Braccini Neto, and Darlene dos Santos Daltro. "Relationship between somatic cell score and longevity of Holstein cows in Brazil using a piecewise Weibull proportional-hazard model." Animal Production Science 59, no. 8 (2019): 1546. http://dx.doi.org/10.1071/an18069.
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The objective of the present work was to evaluate the effect of somatic cell score on the longevity of Holstein cows raised all over Brazil, using a piecewise Weibull proportional-hazard model. The following two longevity traits were defined: true longevity, number of days from first calving to culling; and functional longevity, approximated by correcting true longevity to within-herd-year production. Records on productive life of 131330 cows were used. The model included the time-independent effect of age at first calving. The other effects were time-dependent, and included the following: region by year of calving, variation in herd-size class, milk-production class by year of calving within herd, within-herd milk-production class by number of lactations, within-herd fat content, within-herd protein content, and somatic cell score (SCS). The overall mean of the somatic cell counts (SCC) was 322000 cells/mL. The highest SCC mean was found between 130 to 290 days of lactation. The SCC mean decreased over the years. Cows from Region 5 (Rio Grande do Sul) showed higher SCC means. The risk of culling was slightly higher for functional longevity than for true longevity. The impact of longevity was high in cows from first to fourth lactation with a high SCS, with the risk of culling varying from 0.90 (true longevity: second lactation and Class 2) to 1.2 (functional longevity: fourth lactation and Class 5). Cows at the fifth lactation with a lower SCS had a higher risk of culling (1.4). Including the effect of SCS class by stage of lactation in the models was not beneficial. The decrease in SCS, especially from the first to fourth lactation, can be used for indirect selection to improve the longevity of Holstein cows in Brazil.
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Kaope, Cherfly, and Yoga Pristyanto. "The Effect of Class Imbalance Handling on Datasets Toward Classification Algorithm Performance." MATRIK : Jurnal Manajemen, Teknik Informatika dan Rekayasa Komputer 22, no. 2 (March 1, 2023): 227–38. http://dx.doi.org/10.30812/matrik.v22i2.2515.
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Class imbalance is a condition where the amount of data in the minority class is smaller than that of the majority class. The impact of the class imbalance in the dataset is the occurrence of minority class misclassification, so it can affect classification performance. Various approaches have been taken to deal with the problem of class imbalances such as the data level approach, algorithmic level approach, and cost-sensitive learning. At the data level, one of the methods used is to apply the sampling method. In this study, the ADASYN, SMOTE, and SMOTE-ENN sampling methods were used to deal with the problem of class imbalance combined with the AdaBoost, K-Nearest Neighbor, and Random Forest classification algorithms. The purpose of this study was to determine the effect of handling class imbalances on the dataset on classification performance. The tests were carried out on five datasets and based on the results of the classification the integration of the ADASYN and Random Forest methods gave better results compared to other model schemes. The criteria used to evaluate include accuracy, precision, true positive rate, true negative rate, and g-mean score. The results of the classification of the integration of the ADASYN and Random Forest methods gave 5% to 10% better than other models.
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Wibowo, Erik, Lauren M. Walker, Shawn Wilyman, Andrew Matthew, Deborah L. McLeod, Richard J. Wassersug, and John W. Robinson. "Androgen deprivation therapy educational program: A Canadian true nth initiative." Journal of Clinical Oncology 34, no. 3_suppl (January 20, 2016): 243. http://dx.doi.org/10.1200/jco.2016.34.3_suppl.243.
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243 Background: Androgen deprivation therapy (ADT) is commonly prescribed for advanced prostate cancer (PCa) patients, but ADT has many side effects that can impair patients’ quality of life. In various Canadian cities, we are running an educational program to help PCa patients and their partners deal with the side effects of ADT, and maintain a strong relationship with each other while on ADT. Methods: Patients, who are about to start or have been on ADT, and their partners are invited to attend an educational program. Each patient is given a copy of the book Androgen Deprivation Therapy: An essential guide for men with prostate cancer and their partners (Wassersug et al., 2014) and attends a 1.5 hour educational class, where they learn strategies for managing ADT side effects and how to effectively make healthier lifestyle changes using goal-setting exercises. At the end of the class, participants are given the option to attend a monthly follow-up session. To evaluate the effectiveness of the program, participants are asked to complete questionnaire package before attending the class and again 2-3 months later. Results: As of August 2015, 179 patients and 113 partners have attended the ADT Educational Program at Victoria, Vancouver, and Calgary. About 40% of patients returned for the follow-up session. 62 attendees participated in the research evaluation portion of the program. Uniquely designed for this study, the questionnaire package assesses ADT side effect frequency, bother associated with side effects, use of management strategies, and self-efficacy regarding side effect management. An assessment of physical activity and relationship adjustment, and feedback about the class are also included. Conclusions: Patients and partners appreciate being informed about ADT side effects managements and how to make healthier lifestyle changes while on ADT. It remains to be seen how effective the program is in limiting the bother from ADT side effects and helping couples maintain a strong dyadic relationship in the fact of the challenges brought on by ADT. Good enrollment in the in-person program in the 3 cities has propelled the development of the program in Halifax and Toronto starting in fall 2015, and an online version to be available in early 2016.
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Mandour, Yasser Mohammad Hassan, Samer Badie, and Mohammad Fahmy Shendy. "Effect of nasal surgery on laryngeal mucosa." International Journal of Otorhinolaryngology and Head and Neck Surgery 5, no. 2 (February 23, 2019): 257. http://dx.doi.org/10.18203/issn.2454-5929.ijohns20190756.
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<p class="abstract"><strong>Background:</strong> The aim of the study was to compare stroboscopic features of laryngeal mucosa before and after the nasal surgery.</p><p class="abstract"><strong>Methods:</strong> Prospective randomized case control study in which 60 patients divided into two groups each include 30 patients, group I with bilateral nasal obstruction due to deviated nasal septum with hypertrophic inferior turbinate, group II bilateral nasal obstruction due nasal polyposis undergoing septoplasty with turbinectomy group I and FESS in group II with video- stroboscopic examination before and 3 months after the surgery for each patient and 30 normal volunteers as a control group. </p><p class="abstract"><strong>Results:</strong> Swollen true vocal cord, laryngeal erythema and laryngeal edema were significantly decreased after the nasal surgery, As Swollen true vocal cord changed from 8 to one patient in group I and from 16 to 4 patients in group II, laryngeal erythema changed from 28 to 6 patients in group I and from 29 to 7 patients in group II and laryngeal edema changed from 28 to 5 patients in group I and from 29 to 8 patients in group II.</p><p class="abstract"><strong>Conclusions:</strong> The nasal surgery would have a significant impact on laryngeal edema, erythema and vocal cord edema.</p><p align="center"><strong><br /></strong></p>
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Kim, Kyoo il. "Efficiency of Average Treatment Effect Estimation When the True Propensity Is Parametric." Econometrics 7, no. 2 (May 31, 2019): 25. http://dx.doi.org/10.3390/econometrics7020025.
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It is well known that efficient estimation of average treatment effects can be obtained by the method of inverse propensity score weighting, using the estimated propensity score, even when the true one is known. When the true propensity score is unknown but parametric, it is conjectured from the literature that we still need nonparametric propensity score estimation to achieve the efficiency. We formalize this argument and further identify the source of the efficiency loss arising from parametric estimation of the propensity score. We also provide an intuition of why this overfitting is necessary. Our finding suggests that, even when we know that the true propensity score belongs to a parametric class, we still need to estimate the propensity score by a nonparametric method in applications.
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Suprapto, Purwati Kuswarini, Aji Riyanto, and Egi Nuryadin. "Wimba learning strategy with PjBL model: How the effect student in excretory system concept?" Biosfer 13, no. 2 (October 22, 2020): 292–306. http://dx.doi.org/10.21009/biosferjpb.v13n2.292-306.
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This research aims to determine the effect of wimba learning strategies with project based learning models toward student learning outcomes on the excretory system material. This research was conducted in September 2018 until September 2019. The research method used a true experiment with a population of all class XI in one of the State High School of Tasikmalaya City with 8 classes with a total of 288 students. The samples used were 2 classes taken by cluster random sampling, namely class XI mathematics and science 1 as a controller class and class XI mathematics and science 4 as an experimental class. Based on the results of the study, data analysis using the Ancova test and hypothesis testing can be concluded that there is an influence of the wimba learning strategy with project based learning model toward student learning outcomes on the excretory system material in class XI in one of the State High School of Tasikmalaya City 2018/2019.
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Petrík, Jozef, Peter Blaško, Andrea Vasilňaková, Peter Demeter, and Peter Futáš. "INDENTATION SIZE EFFECT OF HEAT TREATED ALUMINUM ALLOY." Acta Metallurgica Slovaca 25, no. 3 (September 25, 2019): 166. http://dx.doi.org/10.12776/ams.v25i3.1310.
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<p class="AMStitle">Abstract</p><p class="AMSmaintext">The aim of the submitted work is to study the influence of applied loads ranging from 0.09807 N to 0.9807 N on measured values of micro-hardness of heat treated aluminum alloy 6082. The influence of applied load on a measured value of micro-hardness was evaluated by Meyer’s index n, PSR method and by Analysis of Variance (ANOVA). The influence of the load on the measured value of micro-hardness is statistically significant and the relationship between the applied load and micro-hardness manifests the moderate reverse ISE. As the temperature of the solution treatment rises, the YS/UTS ratio and also Meyer’s index n, measured and “true hardness“ increase. On the other hand, its effect on the plastic properties of the alloy is ambiguous.</p>
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Poluektov, Yuri, AeRyon Kim, Stanislav Khoruzhenko, and Scheherazade Sadegh-Nasseri. "The effects of HLA-DO on peptide binding by MHC Class II HLA-DR1 (130.14)." Journal of Immunology 184, no. 1_Supplement (April 1, 2010): 130.14. http://dx.doi.org/10.4049/jimmunol.184.supp.130.14.
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Abstract Ever since the discovery of the HLA-DOA and HLA-DOB genes in the HLA Class II region, controversy has surrounded their true function. Studies resulting in transcriptional modification of the HLA-DO gene analogs in mice (H-2O) support the general theory that DO decreases the presentation of antigens through the MHC class II system by inhibiting the effects of the MHC class II accessory molecule HLA-DM. The mechanism of such inhibition, however, still remains a mystery. To shed some light on this issue, we have constructed a recombinant form of soluble HLA-DO, without its cytoplasmic anchors, and conducted peptide binding experiments with soluble forms of recombinant HLA-DM and HLA-DR1. Our experiments indicate that DO can have both a negative and a positive effect on peptide presentation by the MHC Class II molecule HLA-DR1, depending on the quality of the anchoring residues of the peptide. In addition, HLA-DO only affects peptide association to the MHC Class II molecules and has virtually no effect on peptide dissociation.
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Putri, Reka Roefika Novita, and Zaitun Hateem. "The Effect of Synthetic Phonics on the Development of Students’ Reading Aloud Skill." ELLITE: Journal of English Language, Literature, and Teaching 5, no. 1 (May 31, 2020): 43–49. http://dx.doi.org/10.32528/ellite.v5i1.3309.
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This study aims to know the effect of synthetic phonics on the development of students reading aloud skills. This study was conducted at State Junior High School 3 Babelan, Bekasi, Indonesia. This study used a quantitative method, true-research experimental design with one group pre-test and post-test. The population of this research is all 8thgrade students, and for the sample, the writer used two classes of 8th grade as the sample, which first-class is experimental class and second as control class with participant number 72 students. Data obtained from the test and their kind of test namely is test pre-test and post-test, to know that synthetic phonics is effective the writer compared the result of the post-test from the experimental class and control class average. The findings showed that the learning process used synthetic phonics to make students develop their reading aloud skills. The experimental class (VIII-1) the lowest score is 71 and the highest score is 89 meanwhile control class (VIII-6) the lowest score is 62 and the highest score is 75, the difference of the highest scores between experimental and control class is 14, it means experimental class gained 14 scores. It can be concluded that synthetic phonics is effective in the development of students’ reading aloud skills, this study recommends continuation using synthetic phonics to develop students’ reading aloud skills.
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Onojah, Amos Ochayi, Adenike Aderogba Onojah, and Christianah Oluwakemi Aransiola. "Determinant of Students’ Academic Triumph via Class Attendance." Randwick International of Education and Linguistics Science Journal 1, no. 1 (June 23, 2020): 44–53. http://dx.doi.org/10.47175/rielsj.v1i1.28.
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The study investigated the influence of students’ attendance for lecture on their academic performance and the interactive effect of students’ IQ on students’ academic achievement. The study adopted a true experimental treatment design. 30 computer science students and 50 educational technology students were purposively sampled. Four educational technology lecturers from the department of educational technology, University of Ilorin validated the lesson plan and the performance test that covered the content on a selected Educational Technology concept. Mean and percentage were used to answer the research questions. For hypothesis testing, pearson product moment correlation (PPMC) was used to test hypothesis one while Hypothesis two was analyzed using ANCOVA. All hypotheses were tested at 0.05 level of significance. The findings established that there was significant influence of class attendance on their academic performance but there was no significant interactive effect of students’ IQ on students’ academic achievement. The study concluded that students who attended class regularly perform better than those who do not.
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Sitorus, Parlindungan, Eka Notasya Simanullang, Andriono Manalu, Indah Septa Ayu Laia, Riossally Marselina Tumanggor, and Juliper Nainggolan. "Effect of Differentiation Learning Strategies on Student Learning Results." Jurnal Penelitian Pendidikan IPA 8, no. 6 (December 28, 2022): 2654–61. http://dx.doi.org/10.29303/jppipa.v8i6.2114.
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The research conducted in the even semester of the 2021/2022 academic year aims to see how the influence of different learning strategies on the learning results of eighth-grade students of State Junior High School 4 Medan on vibration and wave material. This study used true experimental research with a pretest posttest control group design. The population used in this study was class VIII of State Junior High School 4 Medan as a whole consisting of 346 people. The sample of this study was class VIII-2 as the experimental class and VIII-3 as the control class selected using the cluster random sampling technique. To find out student learning results, multiple-choice questions with a total of 20 items have been previously tested for validity, reliability, difficulty, and discrimination. The learning results of the two classes were tested for normality with the Lilliefors test and the homogeneity test using the F test. Then a one-sided t-test was carried out for = 0.05, obtained tcount = 2.07 > ttable = 1.6697. As for the regression test obtained = 15.79 + 0.78X. Based on the results of the study, it can be concluded that there is an influence of differentiation learning strategies on the learning results of grade VIII students of State Junior High School 4 Medan.
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Zoghi, Masoud, and Pooya Drood. "EFL Learners’ Note Taking: The Effect of Listening Questions and Activities." International Journal of English Linguistics 7, no. 1 (January 14, 2017): 173. http://dx.doi.org/10.5539/ijel.v7n1p173.
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In this comparative study, an attempt was made to examine the effects of two types of listening questions and activities on the quantity of note taking of intermediate EFL learners. In so doing, the researchers selected a sample of 30 intermediate English language learners randomly assigned to two comparison groups—Multiple-choice Group and True-false Group. The instrument for data collection was note taking papers of students from which the total number of words for each language learner was calculated. Results showed that the True-false Group gained higher scores in note taking quantity as compared with Multiple-choice Group. Based on the results of this study, it is imperative that EFL teachers pay serious attention to the types of activities and questions used in class as they can have an influence on the ways foreign language learners use note taking as a learning strategy.
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Hadeli, Hadeli, and Eviani Eviani. "The Effect of Improvisation Technique towards EFL Students’ Speaking Ability." Al-Ta lim Journal 24, no. 2 (July 31, 2017): 118–29. http://dx.doi.org/10.15548/jt.v24i2.290.
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The purpose of this research was to determine whether Improvisation Technique gave significant difference in teaching transactional and interpersonal conversation text toward students’ speaking ability. This research was also aimed to find out which components of students’ speaking were mostly improved after using Improvisation Technique. True experimental research was used where the sample was chosen by using cluster random sampling. The result of this research showed that the students had made some progresses. It showed that the mean score of students’ speaking ability in experimental class (79.50) was higher than the mean score of students’ speaking ability in control class (72.21). It means that teaching speaking by using Improvisation Technique gives significant effect towards students’ speaking ability. Based on the research finding, it can be concluded that using Improvisation Technique gave significant effect towards students’ speaking ability at class XI of Senior High School 12 Padang. Thus, it is recommended for English teacher should consider the use of Improvisation Technique as an alternative technique in teaching speaking for getting significant effect towards students’ speaking ability.
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Maesaroh, Maesaroh. "The Effect of Group Investigation Model and Learning Style on Students’ Writing of Descriptive Text." Journal of English Education Studies 4, no. 1 (May 31, 2021): 1–12. http://dx.doi.org/10.30653/005.202141.63.
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This research objectives are to analyze the students cooperative learning group Investigation model and three-phase technique; To analyze the visual students and auditory students; To analyze the interaction between group investigation model and students learning styles. This is a true-experimental research. The sample selection was done by random class technique as much as two classes, where the first class was taught by group investigation model and second class with three-phase technique. The instruments used are validated conceptual test and questionnaires. The data in this research were analyzed using two-way ANOVA. The results showed that the students using cooperative learning group investigation model was better than three-phase technique. Visual students shows better results than auditory students. There is an interaction between group Investigation model and students learning styles. This interaction shows visual students is dominant in group investigation model.
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Nurfaisah, Andi, and Andi Amparita Said. "Pengaruh Penggunaan Media Pembelajaran Quizizz Terhadap Motivasi Belajar Siswa Kelas V." JIKAP PGSD: Jurnal Ilmiah Ilmu Kependidikan 6, no. 2 (May 21, 2022): 375. http://dx.doi.org/10.26858/jkp.v6i2.33079.
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This study aims to find out whether there is an effect of using Quizizz learning media on the learning motivation of fifth grade students at SDN 3 Lemba, Soppeng Regency. This study uses a quantitative research approach with the type of experimental research using a True Experimental Design research design. The results showed that there were differences in students' learning motivation between the experimental class and the control class. Then continued with the N-Gain test, the N-Gain Score for the experimental class was 0.4 in the medium category and the N- Gain Score for the control class was 0,2 is in the low category. It can be concluded that the use of quizizz learning media has a significant effect on the learning motivation of fifth grade students at SDN 3 Lemba, Soppeng Regency
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Husniyah, Himmatul. "Pengaruh Profesionalisme Guru Terhadap Peningkatan Prestasi Belajar Siswa Kelas X Di Madrasah Aliyah Muhammadiyah 02 Pondok Modern Paciran Lamongan." Jurnal Pendidikan Islam 7, no. 1 (March 1, 2021): 13–38. http://dx.doi.org/10.37286/ojs.v7i1.90.
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This study aims to identify teacher professionalism towards the improvement of student achievement in class X at Madrasah Aliyah Muhammadiyah 02 Pondok Modern PaciranLamongan. The hypothesis proposed is "there is an effect of teacher professionalism on the improvement of student achievement in class X students at Madrasah Aliyah Muhammadiyah 02 Pondok Modern PaciranLamongan". To test the correctness of the instrument hypothesis in the form of a questionnaire distributed to 10 professional teachers and 30 class X students, the proposed analysis model is Karl Pearson Product Moment Correlation at a significance level of a = 0.05 for hypothesis I and the Coefficient Determinations formula for hypothesis II. From theanalysis it is known that the Professionalism of Class X Student Teachers at Madrasah Aliyah Muhammadiyah 02 Pondok Modern PaciranLamongan is in the "good enough" category. This is evidenced by the response of the largest respondents at intervals of 21-30 as many as 3 respondents (60%), and the increase in student achievement of Class X students at Madrasah Aliyah Muhammadiyah 02 Pondok Modern PaciranLamongan in the "good enough" category.This conclusion is evidenced by the responses of the largest respondents at the interval 21-30, namely 16 respondents (53.3%). While the results of the latest research state that teacher professionalism has a positive effect on the improvement of student achievement in class X class students at Madrasah Aliyah Muhammadiyah 02 Pondok Modern PaciranLamongan. This is evidenced by the calculated r value (0.610)> r table (0.334) at the significant level a = 0.05.Thus it can be concluded that the alternative hypothesis (Ha) I which the author proposes says "there is a significant effect of Teacher Professionalism on the Improvement of Class X Student Achievement at Madrasah Aliyah Muhammadiyah 02 Pondok Modern PaciranLamongan", is proven true or "accepted". While the magnitude of the influence of Teacher Professionalism on the Improvement of Student Achievement in Class X is less than 0.50 (50%), which is 0.3721 (37.21%), although less than 50% of the second hypothesis that the author proposes is proven tobe true or "accepted" .
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Himmatul Husniyah, Hilal Husni, and Chandra Agustian. "Pengaruh Profesionalisme Guru Terhadap Peningkatan Prestasi Belajar Siswa Kelas X Di Madrasah Aliyah Muhammadiyah 02 Pondok Modern Paciran Lamongan." Jurnal Mahasiswa Pendidikan 6, no. 2 (February 12, 2023): 1–26. http://dx.doi.org/10.37286/jmp.v6i2.233.
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This study aims to identify teacher professionalism towards the improvement of student achievement in class X at Madrasah Aliyah Muhammadiyah 02 Pondok Modern PaciranLamongan. The hypothesis proposed is "there is an effect of teacher professionalism on the improvement of student achievement in class X students at Madrasah Aliyah Muhammadiyah 02 Pondok Modern PaciranLamongan". To test the correctness of the instrument hypothesis in the form of a questionnaire distributed to 10 professional teachers and 30 class X students, the proposed analysis model is Karl Pearson Product Moment Correlation at a significance level of a = 0.05 for hypothesis I and the Coefficient Determinations formula for hypothesis II. From the analysis it is known that the Professionalism of Class X Student Teachers at Madrasah Aliyah Muhammadiyah 02 Pondok Modern PaciranLamongan is in the "good enough" category. This is evidenced by the response of the largest respondents at intervals of 21-30 as many as 3 respondents (60%), and the increase in student achievement of Class X students at Madrasah Aliyah Muhammadiyah 02 Pondok Modern PaciranLamongan in the "good enough" category. This conclusion is evidenced by the responses of the largest respondents at the interval 21-30, namely 16 respondents (53.3%). While the results of the latest research state that teacher professionalism has a positive effect on the improvement of student achievement in class X class students at Madrasah Aliyah Muhammadiyah 02 Pondok Modern PaciranLamongan. This is evidenced by the calculated r value (0.610)> r table (0.334) at the significant level a = 0.05. Thus it can be concluded that the alternative hypothesis (Ha) I which the author proposes says "there is a significant effect of Teacher Professionalism on the Improvement of Class X Student Achievement at Madrasah Aliyah Muhammadiyah 02 Pondok Modern PaciranLamongan", is proven true or "accepted". While the magnitude of the influence of Teacher Professionalism on the Improvement of Student Achievement in Class X is less than 0.50 (50%), which is 0.3721 (37.21%), although less than 50% of the second hypothesis that the author proposes is proven to be true or "accepted" .
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Fatmawati, Umy. "PENGARUH MODEL PEMBELAJARAN SNOWBALL THROWING TERHADAP HASIL BELAJAR IPS SEMESTER II KELAS III SD N CANDI 01 SEMARANG." Jurnal Guru Kita PGSD 3, no. 1 (August 6, 2019): 51. http://dx.doi.org/10.24114/jgk.v3i1.13846.
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Abstract: Effect Of Snowball Throwing Learning Model On Learning ResultsIPS Semester II Class III SD N Candi 01 Semarang. The purpose of this studywas to determine the application of snowball throwing model has an effect on thelearning outcomes of IPS students of class III SD Candi 01 Semarang. This type ofresearch is quantitative research in the form of True Experimental Design withdesign research Pretest-Post test Control Group Design. The sample of research is allstudents of class III SD Candi 01 Semarang academic year 2017/2018 whichamounted to 26 people in class III A and 26 people in class III B. The research resultobtained average posttest of control class that is class III A equal to 83, 30 whileclass III B as an experimental class of 90.19. Based on the results of research anddata analysis through t test calculation obtained value t_hitung = 2.35 and t_tabel =1.68. Because t_count> t_tabel, Ha accepted. So it can be concluded that the modelof snowball throwing has an effect on the learning result of IPS students of class IIISD Candi 01 Semarang.Keyword : Snowball Throwing, Learning Result, IPSAbstrak : Pengaruh Model Pembelajaran Snowball Throwing Terhadap HasilBelajar IPS Semester II Kelas III SD N Candi 01 Semarang. Tujuan penelitianini adalah untuk mengetahui penerapan model snowball throwing berpengaruhterhadap hasil belajar IPS siswa kelas III SD Candi 01 Semarang. Jenis penelitian iniadalah penelitian kuantitatif dalam bentuk True Eksperimental Design dengan desainpenelitian Pretest-Posttest Control Grup Design. Sampel penelitian adalah semuasiswa-siswi kelas III SD Candi 01 Semarang tahun ajaran 2017/2018 yangberjumlah 26 orang di kelas III A dan 26 orang di kelas III B. Hasil penelitandiperoleh rata-rata posttest kelas kontrol yaitu kelas III A sebesar 83,30 sedangkankelas III B sebagai kelas eksperimen sebesar 90,19. Berdasarkan hasil penelitiandan analisis data melalui perhitungan uji t diperoleh nilai 𝑡ℎ𝑖𝑡𝑢𝑛𝑔 = 2,35 dan 𝑡𝑡𝑎𝑏𝑒𝑙 =1,68. Karena 𝑡ℎ𝑖𝑡𝑢𝑛𝑔>𝑡𝑡𝑎𝑏𝑒𝑙, Ha diterima. Jadi dapat disimpulkan model snowballthrowing berpengaruh terhadap hasil belajar IPS siswa kelas III SD Candi 01Semarang.Kata Kunci : Snowball Throwing, Hasil Belajar, IPS
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Sijabat, Apriani, Suprapto Manurung, Muktar Panjaitan, Ady Frenly Simanullang, Cintia Sihotang, and Aradoni Nainggolam. "Virtual Laboratory and Its Effect on Student Learning Outcomes in Physics Education." International Journal of Advances in Social Sciences and Humanities 1, no. 4 (November 30, 2022): 204–10. http://dx.doi.org/10.56225/ijassh.v1i4.97.
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This study aims to determine the effect of using a virtual laboratory on student learning outcomes in Kirchhoff's law material at the physics education study program at HKBP Nommensen Pematangsiantar T.A. 2020/2021 by utilizing a virtual laboratory. This type of research is a true experiment with the research sample, namely the physics education study program group A as the experimental class and group B as the control class. The research instrument test was composed of 20 multiple-choice questions, the content validity was tested by a team of experts as validators as many as 2 people and student activity observation sheets. From the data analysis, the average post-test value for the experimental class was 78.46 with a standard deviation of 11.25 and the average post-test value for the control class was 66.50 with a standard deviation of 13.78. Normality and homogeneity tests at the level of =0.05 stated normal and homogeneous and one-party hypothesis testing t-stat > t-table (2.99> 1.67). Thus, it can be concluded that the use of a virtual laboratory can improve student learning outcomes in the basic physics practical subject of Kirchoff law
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Saputra, I. Gede Purwana Edi, Luh Sukariasih, La Ode Nursalam, and Susilo Sudarman Desa. "The Effect of Scientific Literacy Approach with Discovery Learning Model toward Physics Concepts Understanding." Jurnal Pendidikan Fisika 10, no. 2 (April 28, 2022): 144–53. http://dx.doi.org/10.26618/jpf.v10i2.7769.
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Scientific literacy is essential in our modern society today due to many problems related to science and technology. This study aims to determine the effect of the scientific literacy approach using the discovery learning model on students' understanding of physics concepts. The method of this research is a true experimental research using post-tests only control group design. This research was conducted at SMA Negeri 1 Watubangga. The sample of this study consisted of two classes, namely the experimental class, which was taught with scientific literacy approach using the discovery learning model, and the control class which was taught by using the direct learning model. Sampling was carried out using a random sampling technique so that class X1 was chosen as the experimental class and X2 as the control class. The data analysis technique used was descriptive and inferential analysis. The results showed that students' understanding of physics concepts in the experimental class is in a good category while in the control class is in the medium category. The inferential test shows t-count t-table (6.85 1.98). This means that there is a significant difference in understanding of physics concept between the experimental and control group. This study concludes that the use of a scientific literacy approach with a discovery learning model has an effect on students' understanding of physics concepts.
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Poluektov, Yuri, AeRyon Kim, and Scheherazade Sadegh-Nasseri. "HLA-DO and its effect on peptide binding to MHC Class II (106.29)." Journal of Immunology 188, no. 1_Supplement (May 1, 2012): 106.29. http://dx.doi.org/10.4049/jimmunol.188.supp.106.29.
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Abstract True function of HLA-DO (DO), an MHC Class II accessory molecule remains a mystery. The leading model on it function proposes that DO inhibits the effects of DM. Most of those studies were have used in vivo mouse models, looking at the endpoint of peptide presentation, not taking into account the individual steps in the process. To directly study DO function, we designed a recombinant soluble DO that included leucine zipper for better dimerization of the DOα- and β- chains and expressed it in insect cells. Kinetic experiments involving DR1 and the peptide with or without DM and DO revealed unexpected results. We found that; a) DO diminishes the binding of two peptides that are DM-sensitive, b)DO has positive effects on binding of peptides that form DM-resistant complexes, c) DO only has an effect on peptide association and virtually no effect on peptide dissociation, and d) DO functionsdirectly on DR molecules.We propose that DO binds to the peptide-receptive MHC II molecules that DM generates either by dissociating the bound peptides, or opening of the empty groove. The role for DO then is to enforce another layer of control on peptide selection. In support of this hypothesis, using BIACore Surface Plasmon Resonance, we have measured direct binding of DO to an open conformation of HLA-DR1 in real time, while no binding to a closed DR1 conformation wasdetected.
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Karlina, Karlina, and Ade Sudirman. "The Effect of Application Guessing Game Pic-Pow Strategy Towards Students’ Speaking Mastery at the First Class of SMA Mathla’ul Anwar Menes." Journal of English Education Studies 2, no. 2 (November 1, 2019): 116–29. http://dx.doi.org/10.30653/005.201922.42.
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This research aims to investigate the effect of application guessing game pic-pow strategy towards students’ speaking mastery at the first class of SMA Mathla’ul Anwar Menes. It employs the quantitative research with the characteristics of the true experimental design. It uses achievement test in collecting data involving orally pre and post tests. The findings reveal that application guessing game pic-pow strategy is able to help students to improve their speaking skill mastery. In the pre-test, the mean of experimental class is 38 and the mean of control class is 39, 13 while in the post-test the mean of experimental class is 92,75 and mean of control class is 79, 29. In the post test of t-test, the researcher can conclude that tcount ≥ ttable or 3, 0858 ≥ 1, 672 therefore Ha is accepted and there is a significant effect of application guessing game pic-pow strategy towards students’ speaking mastery.
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Wen, Xuwei. "Emotional Expression and Playing Psychology in Accordion Playing under Complex Audio Background Environment." Journal of Environmental and Public Health 2022 (September 12, 2022): 1–11. http://dx.doi.org/10.1155/2022/2482899.
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Accordion performance is an emotional art, and the generation of emotions is inseparable from human psychological activities. It has a great relationship with the performance of music and has a great impact on the performance of the performance. The performance of the accordion is a process of psychological perception, understanding, imagination, experience, and emotion. It not only shows the true creative intention and emotion of the “original work” but also integrates it into the individual characteristics of the individual. In the creation, the true artistic vitality is given to each note, thereby enriching the musical composition, thus showing its unique charm. Therefore, this paper proposes a study on the emotional expression and playing psychology of accordion playing. In the end, the performance of class A students was significantly better than that of class B students, while more students in class B scored within 50-60 points, more students in class A scored within 90-100 points, therefore, the contrast is large. The average score of class A students is 80.125, and the average score of class B students is 71.45. The highest score for A can be as high as 98, the lowest score is 58, and the lowest score in class B is 51. It can be seen that having a high performance psychological quality and the ability to express emotions can achieve a good effect on accordion performance.
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Pamungkas, Ratna Dewi, and Agus Amroni. "THE EFFECTIVENESS OF WRITTEN CORRECTIVE FEEDBACK IN TEACHING WRITING CAUSE EFFECT AT THE ELEVENTH GRADE OF SMA NEGERI 1 GROGOL KEDIRI." Jurnal Pendidikan Bahasa Inggris Proficiency 3, `1 (January 11, 2021): 1. http://dx.doi.org/10.32503/proficiency.v2i2.1385.
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This article aims to know the Effectiveness of Written Corrective Feedback in Teaching Writing Cause Effect at the Eleventh Grade of SMAN 1 Grogol Kediri. This research was quantitative experimental design, more specifically uses true experimental by posttest only controls class design to analyze the data. The data were analyzed and interpreted by means of SPSS 23.0 version. The study reveals that the effectiveness of written corrective feedback has a significant effect on students’ writing achievement in term of content of the text: content, organization, vocabulary, language use and mechanic. The result of students’ writing score from control class and experimental class demonstrated a significant difference. It is found that the experimental class outperformed the control class in writing achievement with t = 9.021, df = 66 and P = .000 and 95% Confidence Interval ranging from 9.138 to 14.332. From the sig. (2-tailed) we can see the P is lower than 5% (0.000 < 0.005). So, it can be concluded that the value is significant in 5% significant level. Thus, the significance different between the mean value of both class is found.
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Basavaiah*, Prof, and Daryoush Shafiei. "Screening of F1 progeny for selection of superior hybrids in mulberry (Morus spp.) - A simple approach Part II: Screening of transplants in relation to seedling size." International Journal of Bioassays 6, no. 2 (January 31, 2017): 5260. http://dx.doi.org/10.21746/ijbio.2017.02.006.
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In continuation of studies on the effect of seed size on growth, made under part-I, the effect of seed size and seedling size are studied jointly by size-grading of seedlings in to three classes under each seed-size class, with 2700 F1 promising genotypes of two crosses. The combined population was screened in two steps, adopting comparison tree method. In step-1, transplanted seedlings (transplants) with closer spacing were screened based on shoot weight for a period of two crops and 487 genotypes were shortlisted based on higher superiority percent. In step-2, these 487 transplants were replanted with wider spacing and screened using three parameters for a period of four crops. In each crop, the genotypes which showed superiority percent value more than Minimum Selection Standard for the parameters studied, were shortlisted. Among 22 genotypes shortlisted finally, 18 have come from large seed-size class and the remaining four are also from long seedling-size class of medium seed-size class. This clearly established the importance of size-grading of seeds and seedlings in screening process. As the chance of getting any promising genotype from small seeds is remote they could be rejected before sowing and as it is also true with small seedlings they could be rejected at nursery stage screening. The tracking of juvenile performance of shortlisted genotypes indicated that, shoot length and root collar diameter are more reliable parameters for assessing the growth of seedlings at nursery. Comparison tree method is found to be highly useful for shortlisting of transplants in mulberry
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Prakoso, Darmawan Aldi, Zakiyah Tasnim, and Aan Erlyana Fardhani. "The Effect of Using Short Movies on The Eleventh Grade Students’ Listening Comprehension Achievement." EFL Education Journal 8, no. 2 (July 31, 2021): 100. http://dx.doi.org/10.19184/eej.v8i2.30868.
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This research was intended to find the effect of using short movies on the eleventh grade students’ listening comprehension. The research design used was quasi-experimental research design with non-equivalent class post-test design. The research context was purposive methods. The research participant was eleventh grade students of SMAN Kalisat. The data collection method was an English listening test with multiple choice and true-false question format. The result of the analysis showed that the test had high content validity with the percentage of 100% valid items. The test also very reliable with the reliability index 0.927 based on Guttman Split-Half Coefficient. The result of difficulty index of the try out test showed that in the multiple choice questions there were 3 items categorized as easy, 17 items were categorized as fair, and 5 items were categorized as difficult. In the true/false questions there are 3 items categorized as easy, 10 items were categorized as fair items, and 2 items were categorized as difficult. The T-test with equal variances assumed, t=-3,686 and p=0,002(<0,05) showed significant difference in the means between two classes. The result of the analysis showed that the null hypothesis (H0) was rejected, meanwhile the alternative hypothesis (H1) was accepted. It means there was a significant effect between the experimental and control class after they received different treatment.
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Aulia, Alvina, and Esti Ambar Nugraheni. "PENGARUH PENDEKATAN OPEN ENDED TERHADAP HASIL BELAJAR MATEMATIKA PESERTA DIDIK KELAS VIII SMPN 2 TANGERANG SELATAN." SIGMA 7, no. 2 (March 1, 2022): 121. http://dx.doi.org/10.53712/sigma.v7i2.1374.
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This study aims to analyze the effect of the open-ended approach on the mathematics learning outcomes of students of class VIII SMPN 2 South Tangerang. The types of research used are experimental methods, quantitative approach, and true experimental design techniques using the randomized pretest-posttest control design. This research was conducted at SMPN 2 South Tangerang from October 18 to November 12 in class VIII-6 as many as 30 students as the experimental class and class VIII-5 as many as 30 students as the control class. The data collection technique used is esai tests with five questions. Meanwhile, the data analysis used descriptive statistical tests, normality tests, homogeneity tests, and hypothesis testing using paired samples t-test. The results showed there increase in mathematics learning outcomes of students of class VIII SMPN 2 South Tangerang for the experimental group by 49,90% and the control group by 25,30%. Based on the results of data analysis, it can conclude that there is an effect of the open-ended approach on the mathematics learning outcomes of students of class SMPN 2 South Tangerang.
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Amalia, Sixteen, Alimatun NA, and Enci Zharkasih. "Investigating the Effect of Picture Story Book on Grade Ten Students’ Reading Comprehension Ability." Lingua 16, no. 2 (January 1, 2021): 80–90. http://dx.doi.org/10.34005/lingua.v16i2.608.
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As a foreign language, some students still get some difficulties to learn English, especially in English Reading. An attractive media such as Picture Story Book is expected to develop the students reading comprehension ability. The research method that was used in this research was true experimental and the research design was pot test only control group design. To gather the data the researcher used instrument in the form of multiple choice 30 questions. The samples of this research was grade ten consisting 66 students, which is taken from the population by using cluster random sampling technique. The students are divided into two classes, 33 in experimental class and 33 in control class. The students of experimental class were taught by using Picture Story Book while the control class were taught without Picture Story Book. The analysis used SPSS based independent sample T-Test Formula produced significance 0.000 since the significance (2-tailed) value was smaller than (<) Alpha 0.05 Ho is rejected and Ha is accepted. Accordingly the research concludes that there is significant effect of using Picture Story Book on Grade Ten Students’ Reading comprehension at MAN 9 Jakarta in the academic year 2019/2020
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Nofriadi, Nanang, and Yoki Yestin. "Investigating the Everyone Is Teacher Here (ETH) Learning Model on Biology Learning Outcomes." International Journal of Education and Teaching Zone 1, no. 2 (October 8, 2022): 186–94. http://dx.doi.org/10.57092/ijetz.v1i2.45.
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The purpose of this research is to prove whether there is an effect of using the Everyone Is A Teacher Here (ETH) learning model on the learning outcomes of class X students at SMA Tuah Kemuning. This research is a quantitative study using true experimental design postest only control design. Sampling using the Cluster Random Sampling technique in order to obtain class XI IPA 1 as the experimental class and class XI IPA 2 as the control class. The data collection instrument used a multiple choice test. Based on the analysis of data calculations, the average value of student learning outcomes in the experimental class was 80.8, while for the control class the average student learning outcomes were 70.24. Based on the results of data analysis, it was found that student learning outcomes with a value of t0 ≥ ti were 2.01 <3.91> 2.68 with a large effect size of 1.15 or 86%. So, it can be concluded that there is an effect of using the ETH model on the learning outcomes of class XI students at SMA Tuah Kemuning. The results of this study suggest that teachers apply the ETH model as a learning model for further material.
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Kiran, Sobia, and Muhammad Shahid Farooq. "Effect Of Flipped Classroom On Developing Fluency And Flexibility Through Divergent Thinking Strategies." Global Educational Studies Review VII, no. I (March 30, 2022): 106–18. http://dx.doi.org/10.31703/gesr.2022(vii-i).12.
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This study examined the effect of flipped classroom design on developing fluency and flexibility through divergent thinking strategies. True experimental design, pre-test post-test control group design was used with two intact groups of students in the elementary education program at the Master's level.The experimental group was taught through flipped classroom design i.e. pre-class learning, in-class divergent thinking activities, and post-class learning. Torrance Test for Creative Thinking Skills (TTCTS) with nine sub tasks on divergent thinking was adapted to measure fluency and flexibility. Independent sample t-test and paired sample t-test were used to compare mean scores. The findings showed a significant difference between the mean scores of the experimental group in pre-test and post-test scores on fluency and flexibility. A significant difference was found between the mean scores of students in the post-test of the control and experimental group. The findings will help to improve the implication off lipped classrooms along with divergent thinking strategies for teaching creativity to students at a higher level.
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Vicka Nur Rizky and Hanim Faizah. "Pengaruh Pendekatan Open-Ended Terhadap Hasil Belajar Siswa Kelas XI MA Darul Ulum Waru." Buana Matematika : Jurnal Ilmiah Matematika dan Pendidikan Matematika 10, no. 2 (December 26, 2020): 147–56. http://dx.doi.org/10.36456/buanamatematika.v10i2.2508.
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This research has the background that there are still many students are still lacking in understanding mathematical concepts in students and its effect on student learning outcomes Class XI MA Darul Ulum. Therefore, it requires an approach that can improve learning outcomes, one of which is the approach Open-ended.The purpose is to determine the effect of the open-ended approach to the learning outcomes of students in grade XI MA Darul Ulum Waru.This research is a quantitative type of research True Experimental design and research design posttest control group design. The sampling technique using simple random sampling technique and obtained samples of the class XI IPA 1 as an experimental class and class XI IPA 2 as the control class with the population of all students in grade XI MA Darul Ulum Waru. The data collection technique using the test, observation methods and techniques of data analysis using t-test. From the analysis of the data obtained 2,35and 1,99 then = 2.35 > 1.99 and the average value of the experimental class is higher than the control class, it can be concluded that there is the effect of the open-ended approach to the learning outcomes of students in grade XI MA Darul Ulum Waru.
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Kusniati, Kusniati, Misriani Misriani, and Dessy Wardiah. "Pengaruh Model Pembelajaran Quantum Writing terhadap Kemampuan Menulis Kreatif Puisi pada Siswa Kelas X SMA Negeri 1 Pedamaran Timur." Journal on Education 6, no. 1 (July 7, 2023): 6877–88. http://dx.doi.org/10.31004/joe.v6i1.3915.
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This study aims to determine whether there is an effect of the quantum writing model on the ability to write poetry creatively in class X.1 students of SMA Negeri I Pedamaran Timur. The population in this study were all students of class X.I SMA Negeri I Pedamaran Timur, consisting of 36 students. The sample in this study was obtained using cluster random sampling technique. So that class X.1 was selected with a total of 36 students as the experimental class and X.2 with a total of 31 students as the control class. This research model uses an experimental model. The data analysis technique used is the test data analysis technique, observation interview test. The results of this study indicate that the average value of the pretest control class was not treated with quantum writing or by learning ordinary material which obtained scores of 21 and 24 while for the posttest experimental class group with quantum writing treatment 59 and a greater value of 61. This proves that there is an influence of the Quantum Writing Model on the Ability to Write Creative Poetry for Class X SMA Negeri I Pedamaran Timur. So the hypothesis in the research proved true. Based on the criteria for testing the hypothesis that HO is rejected if t count ≤ t table, and Ha is accepted if t count ≥ t table, with = 4.287 and 1.671. This proves that t count ≥ t table with a value of 4.287 ≥ 1.671 then Ha in this study is accepted as true.
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Agussalim, Agussalim, Husain Hamka, Febriani Febriani, Handy Ferdiansyah, and Zulkifli N. "The Effect of Cake Applications on English Learning Outcomes of Class X Students of SMKS Muhammadiyah Sidrap." Edumaspul: Jurnal Pendidikan 6, no. 2 (October 1, 2022): 1772–77. http://dx.doi.org/10.33487/edumaspul.v6i2.4232.
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This study aims to determine the effect of Cake application on English learning outcomes of class X SMKS Muhammadiyah Sidrap. This research was conducted at SMKS Muhammadiyah Sidrap in July 2021. This research is a quantitative study using the True Experimental Design method. The population in this study were students of class X SMKS Muhammadiyah Sidrap. The class was divided into 2 groups, namely the control group with 14 students and the experimental group with 15 students. Each research group uses a different learning method. The control group learns using the lecture method, while the experimental group learns using the Cake application. Data collection techniques in this study were in the form of multiple choice tests. The data analysis technique is in the form of t-test. The result of this study is that the experimental group is larger than the control group, so it can be concluded that H0 is rejected and Ha is accepted.
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Gopalan, Chaya, and Megan C. Klann. "The effect of flipped teaching combined with modified team-based learning on student performance in physiology." Advances in Physiology Education 41, no. 3 (September 1, 2017): 363–67. http://dx.doi.org/10.1152/advan.00179.2016.
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Flipped classroom is a hybrid educational format that shifts guided teaching out of class, thus allowing class time for student-centered learning. Although this innovative teaching format is gaining attention, there is limited evidence on the effectiveness of flipped teaching on student performance. We compared student performance and student attitudes toward flipped teaching with that of traditional lectures using a partial flipped study design. Flipped teaching expected students to have completed preclass material, such as assigned reading, instructor-prepared lecture video(s), and PowerPoint slides. In-class activities included the review of difficult topics, a modified team-based learning (TBL) session, and an individual assessment. In the unflipped teaching format, students were given PowerPoint slides and reading assignment before their scheduled lectures. The class time consisted of podium-style lecture, which was captured in real time and was made available for students to use as needed. Comparison of student performance between flipped and unflipped teaching showed that flipped teaching improved student performance by 17.5%. This was true of students in both the upper and lower half of the class. A survey conducted during this study indicated that 65% of the students changed the way they normally studied, and 69% of the students believed that they were more prepared for class with flipped learning than in the unflipped class. These findings suggest that flipped teaching, combined with TBL, is more effective than the traditional lecture.
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Sufrianto, Wendra, and Oriza Candra. "The Effect Of Electrical Installation Trainer Media On Undergraduate Students Learning Outcomes Of Domestic Electrical Installation Practice Course." JTEV (Jurnal Teknik Elektro dan Vokasional) 8, no. 1 (April 5, 2022): 128. http://dx.doi.org/10.24036/jtev.v8i1.116682.
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This study aims to analyze the effect of using an electrical installation trainer media on the learning outcomes of students practicing domestic electrical installations in the electrical engineering department of the State University Of Padang. This type of research is quantitative research. The research method used is an experimental research method with a True experimental design with a Posttest-Only Control Group Design type of research design. Collecting data using a research instrument that was given a post test in the form of multiple choice questions using random sampling, by dividing the sample into two, namely some undergraduate students as the experimental class and some undergraduate students as the control class by giving the same questions to all samples of undergraduate students in the class. domestic electrical installation practice. The hypothesis is carried out using T-test analysis, the T-test was used to analyze differences in undergraduate students learning outcomes using the electrical installation trainer media and other undergraduate students without using the electrical installation trainer media. The results showed that the use of the electrical installation trainer media had a significant effect on the learning outcomes of undergraduate students and indicated that there was a significant difference between the post test results of the experimental class using the electrical installation trainer media and the control class that did not use the electrical installation trainer.This study aims to analyze the effect of using an electrical installation trainer media on the learning outcomes of students practicing domestic electrical installations in the electrical engineering department of the State University Of Padang. This type of research is quantitative research. The research method used is an experimental research method with a True experimental design with a Posttest-Only Control Group Design type of research design. Collecting data using a research instrument that was given a post test in the form of multiple choice questions using random sampling, by dividing the sample into two, namely some undergraduate students as the experimental class and some undergraduate students as the control class by giving the same questions to all samples of undergraduate students in the class. domestic electrical installation practice. The hypothesis is carried out using T-test analysis, the T-test was used to analyze differences in undergraduate students learning outcomes using the electrical installation trainer media and other undergraduate students without using the electrical installation trainer media. The results showed that the use of the electrical installation trainer media had a significant effect on the learning outcomes of undergraduate students and indicated that there was a significant difference between the post test results of the experimental class using the electrical installation trainer media and the control class that did not use the electrical installation trainer.
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Hamidah, Afreni. "Keterampilan Proses Sains Mahasiswa Biologi Melalui Penerapan Model Pembelajaran Inkuiri Terbimbing pada Praktikum Fisiologi Hewan." BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains 5, no. 1 (June 30, 2022): 295–303. http://dx.doi.org/10.31539/bioedusains.v5i1.3590.
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This study aims to determine the effect of the application of the Guided Inquiry learning model on the Science Process Skills (KPS) of Biology Education students at the University of Jambi in 2017/2018 in the Animal Physiology practicum. The method used is true experiment with Post-Test Only Control Design. The research data was obtained by providing a scientific knowledge test in the form of a post-test and an observation sheet for students' science process skills during practicum activities. The results showed that the average value of KPS in the experimental class was 88.24 and the control class was 68.82 with tcount = 36.20. The average scientific knowledge of the experimental class students is 75.35 and the control class is 70.18 with tcount = 7.49. In conclusion, applying the inquiry model to the improvement of KPS and scientific knowledge of Biology Education students at Jambi University in Animal Physiology practicum is an effect.
Keywords: Science Process Skills, Guided Inquiry, Scientific Knowledge
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Ikhlila, Istifaul, Adeng Hudaya, and Fajar Kurniadi. "Penerapan metode pembelajaran kooperatif tipe make a match dalam meningkatkan hasil belajar peserta didik." Orien: Cakrawala Ilmiah Mahasiswa 2, no. 2 (October 31, 2022): 161–68. http://dx.doi.org/10.30998/ocim.v2i2.8266.
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the aim of this study was to determine the effect of applying the Make A Match cooperative learning method in improving the learning outcomes of class X students at SMA Budhi Warman 1, East Jakarta. The research method used is the experimental method with the design used is the true experimental design for the posttest only control design. The population of this study were all students of class X SMA Budhi Warman 1 East Jakarta and the samples were class X IPS 1 and X IPS 2. The instrument used was a multiple choice test with 13 validated questions. The research results obtained: There is an effect of applying the make a match type of cooperative learning method in improving the learning outcomes of class X students at SMA Budhi Warman 1 East Jakarta. This is shown by the t test, where the value t-count = 25.72 is greater than the value t-Table = 2.015 for α = 0.05.
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Prabowo, Sigit Ari, Fenny Widiyanti, and Arif Billah. "The Effect of Environmental Exploration VLOG Assignment Methods on Students' Biodiversity Literation Abilities." Unnes Science Education Journal 10, no. 2 (July 29, 2021): 102–9. http://dx.doi.org/10.15294/usej.v10i2.46806.
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The purpose of this study was to determine the effect of the VLOG Environmental Exploration assignment method on students' biodiversity literacy. VLOG Environmental Exploration as a form of project assignment for students to learn to analyze the environment through independent video making. The research method used is True Experimental Design in the form of Posttest Only Control Design. The research subjects were students of IAIN Salatiga Tadris IPA in the odd semester of the 2020/2021 academic year. Data on students' biodiversity literacy abilities were obtained using tests, then analyzed by statistical difference test t-test. The results showed a significant difference in the biodiversity literacy abilities of students in the experimental class and the control class. These results indicate that VLOG Environmental Exploration can affect the increase in student biodiversity literacy. VLOG Environmental Exploration involves in-depth analysis of the condition of biodiversity in the environment in which students live. Students' cognitive abilities have an important role to play in analyzing environmental biodiversity.
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Topp, Robert. "Effect of Relaxation or Exercise on Undergraduates' Test Anxiety." Perceptual and Motor Skills 69, no. 1 (August 1989): 35–41. http://dx.doi.org/10.2466/pms.1989.69.1.35.
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The purpose of this study was to determine whether test anxiety could be significantly reduced through regular practice of relaxation exercises or physical exercise. Test anxiety was assessed at pretest and posttest using the 37-item true-false Test Anxiety Questionnaire developed by Sarason. 47 undergraduate students self-selected to participate. The 9 subjects in the group who engaged in a nonmeditative relaxation exercise 3 times per week for 7 weeks showed a significant decline in test anxiety. The 16 subjects in a supervised aerobic dance class 3 times per week for 7 weeks improved their fitness and their test anxiety significantly declined. The 20 control subjects did not meet over the 7-week study and showed no significant change in test anxiety, fitness, or relaxation.
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Asiksoy, Gulsum, and Serhat Canbolat. "The Effects of the Gamified Flipped Classroom Method on Petroleum Engineering Students' Pre-class Online Behavioural Engagement and Achievement." International Journal of Engineering Pedagogy (iJEP) 11, no. 5 (October 5, 2021): 19. http://dx.doi.org/10.3991/ijep.v11i5.21957.
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The flipped learning is a widely-used teaching method that increases the interaction between the instructor and the students by changing the in-class instructional time and the out-of-class practices. In this method, if students come to the class without studying the pre-course materials, this might lead to failures in its application. Besides, the gamified flipped learning environment was obtained by integrating the gamification elements in the pre-class phase of the flipped learning. The effects of teaching in this environment on students’ online behaviors and achievements were investigated. The participants were fourth-year undergraduate petroleum and natural gas engineering students enrolled in a natural gas engineering course. A true-experimental design was used in the study. Data were collected from a natural gas concept test, weekly quizzes, and data logs from Moodle. The research results indicated that teaching in the gamified flipped learning method showed a significant increase in the students’ participation in the pre-class activities of the flipped learning compared to the control group. Moreover, there was a significant increase in the achievement levels of the experimental group as compared to the control group. Based on these findings, the use of gamification elements in the pre-class phase of the flipped learning method can have a positive effect on the pre-course online behavior engagements of students. Furthermore, it was determined that it has a positive effect on the achievements of students who completed the method.
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Asiksoy, Gulsum, and Serhat Canbolat. "The Effects of the Gamified Flipped Classroom Method on Petroleum Engineering Students' Pre-class Online Behavioural Engagement and Achievement." International Journal of Engineering Pedagogy (iJEP) 11, no. 5 (October 5, 2021): 19. http://dx.doi.org/10.3991/ijep.v11i5.21957.
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The flipped learning is a widely-used teaching method that increases the interaction between the instructor and the students by changing the in-class instructional time and the out-of-class practices. In this method, if students come to the class without studying the pre-course materials, this might lead to failures in its application. Besides, the gamified flipped learning environment was obtained by integrating the gamification elements in the pre-class phase of the flipped learning. The effects of teaching in this environment on students’ online behaviors and achievements were investigated. The participants were fourth-year undergraduate petroleum and natural gas engineering students enrolled in a natural gas engineering course. A true-experimental design was used in the study. Data were collected from a natural gas concept test, weekly quizzes, and data logs from Moodle. The research results indicated that teaching in the gamified flipped learning method showed a significant increase in the students’ participation in the pre-class activities of the flipped learning compared to the control group. Moreover, there was a significant increase in the achievement levels of the experimental group as compared to the control group. Based on these findings, the use of gamification elements in the pre-class phase of the flipped learning method can have a positive effect on the pre-course online behavior engagements of students. Furthermore, it was determined that it has a positive effect on the achievements of students who completed the method.
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Harahap, Maulida Eka Wahyu, and Yusron Wikarya. "Pengaruh Pembelajaran Blanded Learning terhadap Hasil Belajar Kelas X IPS Seni Rupa SMA Pertiwi 1 Padang." TSAQOFAH 3, no. 2 (March 1, 2023): 221–34. http://dx.doi.org/10.58578/tsaqofah.v3i2.894.
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The purpose of this study was to determine the effect of Blended Learning on learning outcomes for class X IPS in learning two-dimensional art at SMA Pertiwi 1 Padang. This study uses a quantitative method with a true experimental type. The research population is class X IPS. The research sample used a random sampling technique. Research instruments in the form of tests and observations. The data analysis technique used the t-test technique by utilizing the SPSS 16 program. The findings in this study were that class X IPS 1 students were classified as good using blended learning compared to classes X IPS 2 and 3. The results of this study indicated that there was a significant effect of learning Blended Learning on the learning outcomes of class X IPS students in learning two-dimensional art at SMA Pertiwi 1 Padang. This can be seen from the completeness of the learning outcomes of students who use blended learning, the experimental class which completes as many as 35 students (100%), not complete (0%). Whereas in the control class with conventional learning, the completeness of student learning outcomes was only 24 students (65%), 13 students (35%) did not complete.
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Octaviani, Rosalia, Endang Suprapti, and Achmad Hidayatullah. "MODEL PEMBELAJARAN QUANTUM LEARNING DENGAN MEDIA SQUARE BOARD TERHADAP HASIL BELAJAR SISWA PADA MATERI SEGIEMPAT." MEGA: Jurnal Pendidikan Matematika 1, no. 1 (March 30, 2020): 25–33. http://dx.doi.org/10.59098/mega.v1i1.179.
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This research aims to determine the effect of Square Board Media with Quantum Learning model on learning outcomes, student and teacher activities and student responses in class VII-D students of Muhammadiyah 2 Junior High School Surabaya. This research is a type of quantitative research with the True Experimental method. The design used in this study is Pretest-Posttest Control Group Design. Samples taken were 52 students consisting of 26 experimental class students and 26 control class students. The results showed that the average final test score in the experimental class was better than the average test final score in the class control; (2) The most dominant student activity occurs is the activity of students "discussing with groups and actively participating in activities" with a percentage of 33%; (3) Teacher's activity in managing learning gets an average score of 3.5 with very good criteria; and (4) Student responses to learning showed that ≥ 90 students respond positively. Thus, it can be concluded that mathematics learning with Square Board Media has a positive and significant effect on class VII-D students of Muhammadiyah 2 Junior High School Surabaya
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Womack, Tom M., James S. Crampton, and Michael J. Hannah. "The Pull of the Recent revisited: negligible species-level effect in a regional marine fossil record." Paleobiology 46, no. 4 (August 24, 2020): 470–77. http://dx.doi.org/10.1017/pab.2020.32.
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AbstractQuantifying true patterns of biodiversity change over the Cenozoic has major implications for all of biology and paleontology but is still a source of significant debate. The problem centers on the magnitude and nature of several well-known sampling effects and analytical biases in the fossil record, including the Pull of the Recent. We test the effect of the Pull of the Recent at both generic and species levels on the exemplary New Zealand Cenozoic marine mollusk fossil record. We examine several biological traits of species to determine whether particular attributes of taxa control their likely presence or absence in the youngest fossil record (<2.4 Ma). We demonstrate that, for a tectonically active region, the Pull of the Recent does not exert a strong effect on apparent diversity patterns of genera and species over the Cenozoic at temporal scales typically used in global and regional biodiversity analyses. This result agrees with previous studies quantifying the effect of the Pull of the Recent in the marine and terrestrial realms at the genus level. The effect of the Pull of the Recent, although small, is greatest for the youngest fossil record (<2.4 Ma), particularly for species. This increase cannot easily be explained by effects related to shell mineralogical composition, size, habitat, taxonomic class, or lithification. The small effect that the Pull of the Recent exerts on the New Zealand molluscan fossil record implies that the apparent rise in regional marine diversity during the Cenozoic represents a true biological signal and/or reflects other confounding effects not considered here.
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Samsiyah, Nur, and Agil Fajar. "Pengaruh Multimedia Interaktif Terhadap Prestasi Belajar Siswa Kelas IV Sekolah Dasar." Journal of Integrated Elementary Education 1, no. 1 (March 28, 2021): 24–30. http://dx.doi.org/10.21580/jieed.v1i1.7607.
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Abstrak Bahasa Indonesia:Penelitian ini bertujuan untuk mengetahui pengaruh Multimedia Interaktif terhadap prestasi belajar siswa kelas IV tema 7. True Eksperimental design adalah metode yang digunakan pada penelitian ini. Faktor yang mendorong peneliti untuk melakukan penelitian dikarenakan rendahnya prestasi belajar siswa kelas IV di SDN 01 Ploso pada tema 7. Jumlah siswa kels eksperimen di SDN 01 Ploso berjumlah 17 dan kelas kontrol SDN 02 Ploso berjumlah 17. Teknik pengumpulan data dilakukan dengan memberikan soal tes pilihan ganda berjumlah 20 soal. Untuk pengumpulan data kelas kontrol dilaksanakan di SDN 02 Ploso. Setelah data hasil tes dianalisis menggunakan uji-t diperoleh Thitung 4.317 2.131 Ttabel. Rata-rata nilai kelas eksperimen berjumlah 81.76 sedangkan kelas kontrol berjumlah 66.18. Siswa yang lulus KKM pada kelas eksperimen lebih banyak setelah diterapkan multimedia interaktif sebanyak 16 siswa dibandingkan dengan kelas kontrol yang hanya 4 siswa, sehingga penggunaan multimedia interaktif berpengaruh terhadap prestasi belajar siswa.Abstrak in English:This study aims to determine the effect of interactive multimedia on student achievement in grade IV theme 7. True experimental design is the method used in this study. The factor that encourages researchers to conduct research is due to the low learning achievement of grade IV students at SDN 01 Ploso on theme 7. The number of experimental class students at SDN 01 Ploso is 17 and the control class at SDN 02 Ploso is 17.Data collection techniques are carried out by providing selected test questions. doubles totaling 20 questions. The data collection for the control class was carried out at SDN 02 Ploso. After the data from the test results were analyzed using the t-test, it was obtained that tcount was 4.317 2.131 t table. The average score for the experimental class was 81.76, while the control class was 66.18. There were more students who passed the KKM in the experimental class after implementing interactive multimedia as many as 16 students compared to the control class which only 4 students, so the use of interactive multimedia had an effect on student achievement.
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Lestariningsih, Fransisca Endang. "THE EFFECT OF CODE SWITCHING ON ENGAGING NON-ENGLISH MAJOR STUDENTS." IJIET (International Journal of Indonesian Education and Teaching) 3, no. 2 (July 19, 2019): 188–93. http://dx.doi.org/10.24071/ijiet.v3i2.1716.
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When speakers share two or more languages in common, they often switch their languages in a conversation. It is true in the classes where both teachers and students must use a certain language as the language of instructions, as happening in the English classes of Computer Science students in Indonesia. Some teachers tend to always use English all the time with some considerations, whereas others often practice code-switching in the instructional process with other reasons, as well. This study is an observation of the effect of code switching to engage students in two English for computer science classes, in which the teacher in one class used code-switching and the other did not.DOI: doi.org/10.24071/ijiet.2019.030206
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Sibuea, Desta Saputri, and Deddy Suezdi. "Discovering the Effect of Crossword on Grade Ten Students' Vocabulary Learning." Lingua 16, no. 2 (December 31, 2020): 65–71. http://dx.doi.org/10.34005/lingua.v16i2.844.
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The purpose of this study is to find out whether or not there is significant effect of crosswords puzzles on Grade Ten Students’ Vocabulary Learning Outcome. The research method used in this research was quantitative true-experimental, and the design was post-test only control group design, meaning the data collected were only through post-test given to both experimental and control groups after treatments. To collect data for the study, the researcher used instrument in the form of objective, multiple choice , numbering 30 question items for both experimental class and control class that have been tried out in grade ten at experimental class. The scores obtained from the try-out class were used to analyze the validity, reliability, discrimination power and difficulty index of each question item in the instrument. The results of test obtained from samples were used to analyze the data using statistical formulas of Independent, t-test, preceded by normality and homogeneity tests as the pre-requisites to data analysis. The analysis using SPSS-based t-test produced significance (Sig.) score of 0.001, which was smaller than (<) Alpha 0.05, while the score of tobserved /to is higher than the score of t-table 4.10. Since the significance (Sig.) score of 0.001 is smaller than (<) Alpha 0.05, and the score of tobserved /to is higher than (>) the score of t-table 4.10, Ho is rejected and HA is accepted. Accordingly the research concludes that there is significant effect of crossword on grade ten students’ vocabulary learning.
The keyword: crossword, vocabulary learning outcome
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Artuti, Emy. "The Effect of Applying PQ4R Strategy with a Scientific Approach on Mathematical Problem Solving Ability." Indonesian Journal of Education Research (IJoER) 4, no. 1 (February 28, 2023): 13–17. http://dx.doi.org/10.37251/ijoer.v4i1.570.
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Purpose of the study: This study aims to determine the effect of applying the PQ4R strategy with a scientific approach to the ability to solve mathematical problems in social arithmetic material.
Methodology: This research method is quantitative. The research that will be used is true experimental research. In this study, there were 2 sample class groups, namely the experimental and control classes. The author will provide learning treatment using the PQ4R learning strategy with a scientific approach to the experimental class, while the control class, it remains with the usual expository strategy.
Main Findings: Based on the results of student activity research, it was obtained that 80% of students were active from the total number of students. Then the assessment results of student activity observation sheets are included in the "Very Good" category. The results mentioned above have achieved the criteria for success in a lesson so that the use of the PQ4R learning strategy (Preview, Question, Read, Reflect, Recite, Review) affects the learning process of student activities.
Novelty/Originality of this study: The novelty of this research is the use of PQ4R learning strategies in fostering students' problem-solving abilities in mathematics.