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Journal articles on the topic 'TOSRA'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 January 2023

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Khatoon, Zohra. "Development of TOSRA (Test of Science Related Attitudes) Instrument for Science Related Attitude Studies in Sindh Province." International Journal of Innovation in Teaching and Learning (IJITL) 7, no. 1 (2021): 79–94. http://dx.doi.org/10.35993/ijitl.v7i1.1327.

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This study aims to explore the implementation of attitude measurement tool known as Test of Science-Related Attitudes (TOSRA) in Sindh. 1097 higher-secondary level students from Hyderabad division of Sindh participated in the study. The alpha reliability values of different scale of TOSRA were analysed and enhanced to acceptable and good level using statistical techniques. The alpha coefficients for adapted TOSRA scales were observed as; Social Implications of Science (0.707), Adoption of Scientific Attitudes (0.801), Classroom Enjoyment (0.779), Leisure Interest in Science (0.767) and Career Interest in Science (0.701). The overall alpha coefficient for adopted (five-scale) TOSRA questionnaire administered in this study was 0.912. Similarly, the values of discriminant validity of the scales were deduced using correlation techniques for these scales where mean correlation between the scales ranged from 0.49 to 0.57. The adopted version of TOSRA was developed based on the statistical analyses including Cronbach alpha, Pearson’s correlation, and factor analysis, and showed sufficient validity and reliability to be implemented in subsequent research to measure students’ attitude towards science in province of Sindh, Pakistan. Keywords: Attitude towards Science, TOSRA, Instrument development, Science Education, Higher secondary students

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Tiryaki, Aydın, and Sibel Adıgüzel. "The Effect of STEM-Based Robotic Applications on the Creativity And Attitude of Students." Journal of Science Learning 4, no. 3 (2021): 288–97. http://dx.doi.org/10.17509/jsl.v4i3.29683.

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In the present study, the effects of STEM based robotics applications on students' creativity and scientific attitudes in the Electricity Unit of 7th grade have been investigated by using the nested pattern of the mixed method. Sixty students, 30 of whom are the experimental group and the other 30 constitute the control group, attending a post-school course in Istanbul in the academic year of 2018-2019, participated 2 weeks of pre-applications and 4 weeks of applications. TOSRA,to measure attitude towards science, and “Torrance Creative Thinking Test”,to measure creativity, were applied as pre and posttest. The data gained from the tests were analyzed with SPSS 21. Semi-structured interviews' data were analyzed by using content analysis. As a result, it was observed that STEM based robotics applications significantly increased students' creativity and attitudes towards science. Interview findings show that students enjoy using STEM applications that contain applications instead of theoretical knowledge. Using robotic and complex software materials to solve daily life problems, they felt like scientists during the practices and the applications affected their future career choices.Keywords STEM; creativity; robotic application; attitude; TOSRA

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Aldila, Melvin, Fransisca Sudargo Tapilouw, and Yayan Sanjaya. "Students’ Cognitive and Attitude of Secondary School in Learning Global Warming using Student Team Achievement Division (STAD) based on Gender." Journal of Science Learning 1, no. 3 (2018): 104. http://dx.doi.org/10.17509/jsl.v1i3.11793.

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This study was intended to investigate students’ cognitive and attitude of secondary school in learning global warming using Student Team Achievement Division (STAD) based on gender. This study was conducted at one of bilingual boarding school in Bandung. This study uses the quasi-experimental method with matching pretest-posttest comparison group design while the number of subject in the girl class is 15 (N=15) and in the boy class is 15 (N=15). Data was gained through a cognitive test which measured by Bloom's taxonomy cognitive level (C1-C6), a questionnaire which measured by Test of Science Related Attitude (TOSRA). The result shows that student who learns global warming using STAD has an improvement on their cognitive score, especially in the girl class. Meanwhile, girl class has higher students’ attitude result in three scales of TOSRA that are; attitude to scientific inquiry, adoption of a scientific attitude, and enjoyment of science lessons. Along with the students’ cognitive result, girl class also has a better science-related attitude than the boy class. Thus, it can be concluded that there is a significant difference between students’ cognitive and attitude at the girl and boy class in learning global warming using STAD.

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Villafañe, Sachel M., and Jennifer E. Lewis. "Exploring a measure of science attitude for different groups of students enrolled in introductory college chemistry." Chemistry Education Research and Practice 17, no. 4 (2016): 731–42. http://dx.doi.org/10.1039/c5rp00185d.

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Decisions about instruction, research, or policy often require the interpretation of student assessment scores. Increasingly, attitudinal variables are included in an assessment strategy, and it is important to ensure that interpretations of students' attitudinal status are based on instrument scores that apply similarly for diverse students. In this study, a shortened version of the Test of Science Related Attitudes (TOSRA) was used to gather validity evidence based on the internal structure of the instrument in an introductory chemistry course. Using measurement invariance analysis by sex and race/ethnicity, it was found that the internal structure holds by sex, but it did not hold by race/ethnicity in our sample. Further analysis revealed problems with the normality scales for Black students in our sample. Also, this study examined the relationship between the scales of the Shortened TOSRA, achievement in chemistry, and prior math knowledge. Using Structural Equation Modeling (SEM) it was found that two of the scales, attitude toward inquiry and career interest in science, have a small but significant influence on students' achievement in chemistry. This study highlights the importance of examining if the scores apply similarly for different groups of students in a population, since the scores of these assessments could be used to make decisions that will affect the students.

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Desy, Elizabeth A., Catrina T. Adams, Teresa Mourad, and Scott Peterson. "Effect of an Online, Inquiry- & Mentor-Based Laboratory on Science Attitudes of Students in a Concurrent Enrollment Biology Course: The PlantingScience Experience." American Biology Teacher 80, no. 8 (2018): 578–83. http://dx.doi.org/10.1525/abt.2018.80.8.578.

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The goal of this project was to determine the impact of supplementing a concurrent enrollment (CE; also called dual enrollment) nonmajors biology course with online mentoring from professional scientists via the PlantingScience (PS) program (http://plantingscience.org). Student attitudes and motivation toward science were measured using the Test of Science-Related Attitudes (TOSRA) questionnaire as well as open-ended questions. Students in both the experimental group (CE biology course supplemented with PS) and the control group (CE biology course with no PS supplement) were surveyed during two academic years (2015–2017). The impact of PlantingScience on students’ attitudes toward science is discussed.

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Muniandy, Thiwagar, Sabariah Sharif, and Muralindran Mariappan. "The Effect of Robotics Program on Students Attitude Towards Science." Malaysian Journal of Social Sciences and Humanities (MJSSH) 7, no. 4 (2022): e001422. http://dx.doi.org/10.47405/mjssh.v7i4.1422.

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The purpose of this research is to study the effect of robotics program on students attitude towards science. A total of 374 year 6 students (12years old) involving 10 primary schools from Malacca and Selangor have participated in this study. The researcher used Test of Science Related Attitudes (TOSRA) questionnaire developed by Fraser (1981) to measure students attitude towards science. In this study the researcher used a non-survey quantitative approach method with a quasi- experimental design involving treatment and control group. The changes in students attitude towards science was measured in three different times involving pre-test, post-test 1 and post-test 2. The researcher has performed two inferential statistical test, Repeated Measures Analysis of Variance (ANOVA) and One-way Analysis of Covariance (ANCOVA) at significant level of

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Naiker, Mani, Bibhya Sharma, Lara Wakeling, et al. "Attitudes towards science among senior secondary students in Fiji." Waikato Journal of Education 25 (November 24, 2020): 57–72. http://dx.doi.org/10.15663/wje.v25i0.704.

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In order to investigate gender and ethnicity-based differences in scientific attitudes among Fijian students, the widely studied Test of Scientific Related Attitudes (TOSRA) was administered to 1401 senior secondary Fijian students (Years 11–13; approximately 15–18 years of age). Students generally had a positive attitude towards science overall in Years 11–13, with females showing a more positive attitude than males. By Year 13, the attitudes of females towards science had become more negative. The attitude of iTaukei students towards science started out lower than other ethnicities in Year 11 and increased during Year 12, before falling to below the starting attitude levels in Year 13. Fijian students of Indian descent generally had a positive attitude towards science that remained consistent throughout Years 11–13, with an increase in leisure and career interest in science in Year 13. A strong correlation was found between the ethnicity of a student and their first language. Continued science outreach programmes, particularly in Year 12, are important to achieve and retain scientific interest and attitudes among Fijian secondary students.

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Usmiatiningsih, Ellysabeth. "PENINGKATAN SIKAP TERHADAP SAINS MELALUI MODEL PEMBELAJARAN INQUIRY DENGAN PENGGUNAAN TOSRA TERHADAP PEMBELAJARAN IPA DI SMP NEGERI 6 MATARAM." Paedagoria | FKIP UMMat 6, no. 2 (2018): 66. http://dx.doi.org/10.31764/paedagoria.v6i2.174.

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Penelitian ini dilatarbelakangi oleh adanya sikap negatif siswa pada materi IPA yang bersifat virtual sehingga mengakibatkan materi IPA sulit dipelajari. Subyek penelitian tindakan kelas yaitu kelas VIIIE berjumlah 26 siswa yang memiliki karakter meremehkan pelajaran IPA, tidak senang belajar IPA sehingga pada materi tertentu memilikinilai rendah. Materi yang digunakan dalam penelitian adalah cahaya karena cakupan materi yang cukup luas dengankriteria ketuntasan minimal (KKM) 77. Penelitian ini dilaksanakan 3 siklus dengan menggunakan modelpembelajaran inquiry yang bertujuan untuk meningkatkan sikap terhadap sains siswa. Hasil Penelitian tindakan kelasyaitu terjadi peningkatan sikap terhadap sains sebesar 19,04%, peningkatan sikap siswa selama diskusi sebesar21,75%, peningkatan skor rata-rata diskusi siswa sebesar 26,53, peningkatan keterlaksanaan KBM sebesar 5,6%.Maka dalam peneltian tindakan kelas ini dapat disimpulkan bahwa penerapan model inquiry dapat meningkatkansikap terhadap sains siswa.

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Nurfina, Susilawati*,, Nurfina Aznam, and Paidi Paidi. "Attitudes Towards Science: A Study of Gender Differences and Grade Level." European Journal of Educational Research 11, no. 2 (2022): 599–608. http://dx.doi.org/10.12973/eu-jer.11.2.599.

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It should be noted that learning outcomes are not students’ only achievement; attitude is also the main output in learning. This research explores students’ attitudes toward science learning based on gender and the grade level of schools in Aceh, Indonesia. The participants are 1,023 students from the sixth grade of primary schools and the eighth grade of secondary schools. The total sample includes 16 schools spread across the province. The data have been collected using TOSRA. By using the Likert scale, this questionnaire is useful for obtaining descriptions of the students’ attitudes and assigning scores for a certain group of participants. Based on gender, the results show females reflect more positive attitudes toward science than male students do. According to the grade level of the schools, the data reflect the equality of students’ attitudes toward science between primary and secondary schools. Nevertheless, when primary school students enter secondary school, the majority of students enjoy learning science less. This fact is meaningful feedback for science teachers. This result supports the scholars seeking ways to avoid the gender gap in learning activities. Pedagogical implications are also discussed.

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Mustafa Kamal Nasution. "THE RELATIONSHIP BETWEEN TEACHER INTERPERSONAL BEHAVIOR AND STUDENT ATTITUDE TOWARD SCIENCE LEARNING IN PRIMARY SCHOOL: INDONESIAN CASE STUDY." Visipena Journal 3, no. 2 (2012): 1–12. http://dx.doi.org/10.46244/visipena.v3i2.57.

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This study proposes to assess the relationship between student perceptions on teacher interpersonal behavior and student attitude toward Science in Indonesian Primary school. This research engaged 143 students from SDN 47 Jambi, Indonesia. To gather the data, two types of questionnaires were used; Test of Science Related Attitude (TOSRA) and the Indonesian version of the Questionnaire Teacher Interpersonal (QTI). SPSS program were applied to process the data statistically. The result shows that the questionnaires are relatively reliable for Indonesian primary students. Acceptability of Cronbach alpha coefficient was found in both actual and preferred situation. The findings also reveal that from the students’ view, their teachers have relatively good Leadership and Understanding in the classroom, less Uncertainty, Dissatisfaction and Admonishment toward students. However, the students perceive to some extent unfavorable perceptions on their Freedom and teacher Strictness. Another analysis describes that there are significant differences between actual and ideal perceptions on the whole scale of QTI except on Uncertainty. Furthermore, between male and female perceptions, this study finds that there are significant differences on Helping, and Strictness. Lastly, the multiple correlation analysis explaines that there is a correlation between the scale of QTI and Enjoyment toward science, in which Uncertainty and Admonishment scales are significantly negative affect students’ enjoyment in science classroom.

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Engstrom, Michael D., Christopher J. Alteri, and Harry L. T. Mobley. "A Conserved PapB Family Member, TosR, Regulates Expression of the Uropathogenic Escherichia coli RTX Nonfimbrial Adhesin TosA while Conserved LuxR Family Members TosE and TosF Suppress Motility." Infection and Immunity 82, no. 9 (2014): 3644–56. http://dx.doi.org/10.1128/iai.01608-14.

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ABSTRACTA heterogeneous subset of extraintestinal pathogenicEscherichia coli(ExPEC) strains, referred to as uropathogenicE. coli(UPEC), causes most uncomplicated urinary tract infections. However, no core set of virulence factors exists among UPEC strains. Instead, the focus of the analysis of urovirulence has shifted to studying broad classes of virulence factors and the interactions between them. For example, the RTX nonfimbrial adhesin TosA mediates adherence to host cells derived from the upper urinary tract. The associatedtosoperon is well expressedin vivobut poorly expressedin vitroand encodes TosCBD, a predicted type 1 secretion system. TosR and TosEF are PapB and LuxR family transcription factors, respectively; however, no role has been assigned to these potential regulators. Thus, the focus of this study was to determine how TosR and TosEF regulatetosAand affect the reciprocal expression of adhesins and flagella. Among a collection of sequenced UPEC strains, 32% (101/317) were found to encode TosA, and nearly all strains (91% [92/101]) simultaneously carried the putative regulatory genes. Deletion oftosRalleviatestosArepression. Thetospromoter was localized upstream oftosRusing transcriptional fusions of putative promoter regions withlacZ. TosR binds to this region, affecting a gel shift. A 100-bp fragment 220 to 319 bp upstream oftosRinhibits binding, suggesting localization of the TosR binding site. TosEF, on the other hand, downmodulate motility when overexpressed by preventing the expression offliC, encoding flagellin. Deletion oftosEFincreased motility. Thus, we present an additional example of the reciprocal control of adherence and motility.

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Sumarni, Woro, Endang Susilaningsih, and Yeri Sutopo. "Construct Validity and Reliability of Attitudes towards Chemistry of Science Teacher Candidates." International Journal of Evaluation and Research in Education (IJERE) 7, no. 1 (2018): 39. http://dx.doi.org/10.11591/ijere.v7i1.11138.

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Developing students' positive attitude toward learning is one of the important things, because some researchers mention that attitudes toward the subjects are related to academic achievement. Teachers, in the implementation of learning can evaluate attitudes toward the subjects, in order to know how students' attitude toward learning that is/has been going on. Therefore, an attitude assessment is required for valid, reliable and practical learning. The purpose of this research is to develop a Likert scale type questionnaire that can measure students' attitudes toward chemistry. In this study initially has been compiled as many as 43 items. The items in the present scale were adapted from the Test of Science-Related Attitudes (TOSRA) and Attitudes towards Chemistry Lessons Scale (ATCLS). After the contents validation of the questionnaire by the expert, the questionnaire is tested on 245 college students. Determination of construct validity which is conducted with exploratory factor analysis obtained 32 items valid question. The result of factor analysis shows that the scale has nine factors that explain 62.105% of the total variance. In addition, it shows the finding of 'reliability coefficient (Cronbach' alpha) of 0.91. The results obtained showed that it has obtained valid and reliable questionnaires as a measuring tool that can be used to determine student attitudes toward chemistry in chemistry foodstuffs lectures.

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Nasution, Mustafa Kamal. "Involving Students’ Opinion in Actual and Preferred Teacher Interpersonal Behavior and Their Attitude Towards Science Subject." Al-Ta lim Journal 23, no. 1 (2016): 29–36. http://dx.doi.org/10.15548/jt.v23i1.171.

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This study aims to investigate the student perception on teacher interpersonal behavior and their attitude toward science subject. 207 respondents were involved, consisted of 200 students in 10-12 grade and 7 science teachers of public high school in Aceh. Two types of questionnaires were used namely the Indonesian version of the questionnaire of teacher interaction (QTI) and test of science related attitude (TOSRA). SPSS program were applied to process the data statistically. First, the reliability of questionnaires is measured using descriptive statistics of all and each scale of QTI. Second, the difference between students’ perceptions on the actual and ideal teacher interpersonal behavior was computed by Paired Sample t-tests. Third, the relationship between students' perception on teachers’ interpersonal behavior and students' attitudes towards science subjects was compared using multiple regression analysis-standardized regression coefficient β. The finding showed that the Indonesian version of questionnaire of teacher interaction (QTI) is reliable (αC = 0.86), to be applied to the high school students in the regency. It is generally seen that the students consider their teachers demonstrate more positive interpersonal behavior than the negative. However, it is clearly seen that between actual and ideal perceptions on the whole scale of QTI is significantly different. Last, from the three scales of teacher interpersonal behavior, helping/friendly, dissatisfaction, and admonishing appeared influential, only the helping/friendly scale significantly correlate (at the .05 level) with student attitudes toward science subject.

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Wassalwa, Manna, Evendi Evendi, Ismul Huda, Yusrizal Yusrizal, A. Halim, and Saminan Saminan. "Sikap Peserta Didik Terhadap Sains di Sekolah Menengah Pertama dan Madrasah Tsanawiyah Negeri Kabupaten Aceh Jaya." Jurnal Penelitian Pendidikan IPA 8, no. 2 (2022): 709–17. http://dx.doi.org/10.29303/jppipa.v8i2.1359.

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    Abstract: Sikap terhadap sains adalah sikap yang muncul pada diri peserta didik sebelum dan setelah belajar sains. Semakin tinggi sikap peserta didik terhadap mata pelajaran sains, maka akan semakin tinggi pula hasil belajar mereka. Sebaliknya, semakin rendah sikap peserta didik terhadap mata pelajaran sains, maka akan semakin rendah pula hasil belajar mereka. Penelitian ini bertujuan untuk menganalisis bagaimana sikap peserta didik terhadap sains. Metode penelitian ini berupa penelitian survey dengan menggunakan instrumen Test of Science Releted Attitude (TOSRA) dengan skala Likert 5 point pada . 161 peserta didik sebagai sampel penelitian. Analisis data dilakukan secara deskriptif statistik. Hasil penelitian pada 5 indikator sikap peserta didik terhadap sains diperoleh tanggapan tertinggi;1) kesenangan belajar sains terdapat pada kriteria setuju (39,40%) dan berada pada ketegori positif (47,2%); 2) ketertarikan meluangkan waktu belajar sains terdapat pada kriteria setuju (37,29%) dan berada pada ketegori sikap positif (54,7%); 3) ketertarikan berkarir dibidang sains terdapat pada kriteria setuju (34,43%) dan berada kategori sikap positif (50,3%); 4) sikap penyelidikan sains diperoleh dengan kriteria setuju (29,71%) dan berada pada ketegori sikap positif (77%); serta 5) Implikasi sosial sains diperoleh pada kriteria setuju (37,04%) dan berada pada ketegori sikap positif (72%). Secara keseluruhan sikap peserta didik terhadap sains dengan tanggapan tertinggi terdapat pada kriteria setuju (35,56%) dengan kategori sikap positif (75,8%) di SMP dan MTsN Kabupaten Aceh Jaya.         

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Engstrom, Michael D., and Harry L. T. Mobley. "Regulation of Expression of Uropathogenic Escherichia coli Nonfimbrial Adhesin TosA by PapB Homolog TosR in Conjunction with H-NS and Lrp." Infection and Immunity 84, no. 3 (2016): 811–21. http://dx.doi.org/10.1128/iai.01302-15.

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Urinary tract infections (UTIs) are a major burden to human health. The overwhelming majority of UTIs are caused by uropathogenicEscherichia coli(UPEC) strains. Unlike some pathogens, UPEC strains do not have a fixed core set of virulence and fitness factors but do have a variety of adhesins and regulatory pathways. One such UPEC adhesin is the nonfimbrial adhesin TosA, which mediates adherence to the epithelium of the upper urinary tract. Thetosoperon is AT rich, resides on pathogenicity islandaspV, and is not expressed under laboratory conditions. Because of this, we hypothesized thattosAexpression is silenced by H-NS. Lrp, based on its prominent function in the regulation of other adhesins, is also hypothesized to contribute totosoperon regulation. Using a variety ofin vitrotechniques, we mapped both thetosoperon promoter and TosR binding sites. We have now identified TosR as a dual regulator of thetosoperon, which could control thetosoperon in association with H-NS and Lrp. H-NS is a negative regulator of thetosoperon, and Lrp positively regulates thetosoperon. Exogenous leucine also inhibits Lrp-mediatedtosoperon positive regulation. In addition, TosR binds to thepapoperon, which encodes another important UPEC adhesin, P fimbria. Induction of TosR synthesis reduces production of P fimbria. These studies advance our knowledge of regulation of adhesin expression associated with uropathogen colonization of a host.

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Developing students' positive attitude toward learning is one of the important things, because some researchers mention that attitudes toward the subjects are related to academic achievement. Teachers, in the implementation of learning can evaluate attitudes toward the subjects, in order to know how students' attitude toward learning that is/has been going on. Therefore, an attitude assessment is required for valid, reliable and practical learning. The purpose of this research is to develop a Likert scale type questionnaire that can measure students' attitudes toward chemistry. In this study initially has been compiled as many as 43 items. The items in the present scale were adapted from the Test of Science-Related Attitudes (TOSRA) and Attitudes towards Chemistry Lessons Scale (ATCLS). After the contents validation of the questionnaire by the expert, the questionnaire is tested on 245 college students. Determination of construct validity which is conducted with exploratory factor analysis obtained 32 items valid question. The result of factor analysis shows that the scale has nine factors that explain 62.105% of the total variance. In addition, it shows the finding of 'reliability coefficient (Cronbach' alpha) of 0.91. The results obtained showed that it has obtained valid and reliable questionnaires as a measuring tool that can be used to determine student attitudes toward chemistry in chemistry foodstuffs lectures

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Sari, Nirmala, Orin Hidayusa Wiza, Retni Sulistioning Budiarti, and Yolanda Eka Putri. "ATTITUDES TOWARDS NATURAL SCIENCE: COMPARISON OF STUDENT ATTITUDES IN JUNIOR HIGH SCHOOLS IN MUARO JAMBI DISTRICT." Humanities & Social Sciences Reviews 8, no. 2 (2020): 546–54. http://dx.doi.org/10.18510/hssr.2020.8262.

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Purpose of the study: This research was conducted to review the comparison of students’ attitudes towards science subjects through 3 indicators, namely the social implications of science, attitudes towards investigation and career interests in the field of science sourced from TOSRA. Methodology: The research design used is quantitative with the type of survey research. The research subjects were 1075 students. The instrument used in the form of a questionnaire attitude towards science subjects. The analysis technique used is descriptive statistics and inferential statistics in the form of one way ANOVA test. Main Findings: Students at Junior High School 26Muaro Jambi were dominant in the indicators of social implications with a percentage of 66.9% (103 out of 154 students) with a good category, while Junior High School 6 Muaro Jambi was dominant in the social implication indicators with a percentage of 51.5% (313 out of 608 students) with a sufficient category, and Junior High School 5 Muaro Jambi dominant in the indicators of social implications with a percentage of 62.3% (195 of 313 students) with a sufficient category. Based on the one way ANOVA test, it was found that there were differences in attitudes towards science subjects at Junior High School 26 Muaro Jambi, Junior High School 6 Muaro Jambi and Junior High School 5 Muaro Jambi. Novelty/Originality of this study: The renewal of this study is the absence of research conducted in Junior High School in Muaro Jambi Regency, Indonesia regarding students’ attitudes toward science subjects reviewed through indicators of the social implications of science, indicators of attitudes towards science investigations, and indicators of career interest in the field of science.

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., Astalini, Dwi Agus Kurniawan, Darmaji ., Lintang Rofiatus Sholihah, and Rahmat Perdana. "CHARACTERISTICS OF STUDENTS’ ATTITUDE TO PHYSICS IN MUARO JAMBI HIGH SCHOOL." Humanities & Social Sciences Reviews 7, no. 2 (2019): 91–99. http://dx.doi.org/10.18510/hssr.2019.7210.

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Purpose of Study: This research was conducted to ascertain the students' attitude towards Physics subject in Muaro Jambi High School based on attitude indicator from Test of Science-Related Attitudes (TOSRA). Methodology: A quantitative survey was used for the study. The subjects of the study were students of 458 students in senior high school 1, 4, 5, and 8 in Muaro Jambi. Instruments research is a questionnaires attitude and motivation. Analytical techniques comprised of using descriptive statistics. Main Findings: The results of the three indicators of attitude and motivation, namely social implications on personnel categorized have a sufficient category of 42.8% for a total of 196 of 458 students. The dimensions of normality of scientists were to have a sufficient category of 47.4% for a total of 217 out of 458 students. The dimensions of career interest in the field of physics are categorized a good at 38.3% for a total of 175 out of 458 students, and motivation has a good at 42.1% for a total of 193 out of 458 students. There is a relationship between motivation and attitudes of students in motivation in senior high school 1 Muaro Jambi with a r-value of 0.518 and positive, of students in senior high school 4 with a r-value of 0.832 and positive, of students in senior high school 5 with a value of r 0.746 and positive, of students in senior high school 8 with a value of r 0.623 and positive. Implications: Based on the research results , the indicators that meet the criteria are needed to investigate to improve the results of these indicators, namely the indicator of scientists’ normality and interest in a physics career.

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Tri Kaloka, Pasca, Soni Nopembri, Yudanto Yudanto, and Gunathevan Elumalai. "A Study of Grade Level and Gender Differences in Attitude towards Nonlinear Pedagogy." Physical Education Theory and Methodology 22, no. 3s (2022): S124—S131. http://dx.doi.org/10.17309/tmfv.2022.3s.17.

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It is important to remember that learning outcomes are not the only thing students accomplish, but attitude is also a major learning output. The study purpose was to investigate students’ attitudes, especially regarding the attitude toward nonlinear pedagogy (ATNP), according to gender and grade level in Yogyakarta. Materials and methods. The study involved 1,160 kids who were in fifth grade in primary schools and in eighth grade in secondary schools. A total of 18 schools from around the province were included in the study. The Test of Science Related Attitudes (TOSRA) was used to gather data. This questionnaire is effective for gathering descriptions of students’ attitudes toward nonlinear pedagogy scores for a specific set of participants, since it uses the Likert scale. Results. The study findings show students have quite different levels of excitement for nonlinear science learning. The male students in primary school have a higher positive attitude than the female students do, (M = 36.75; p < 0.001). The male students exhibit a more eager attitude than the female students do in junior high schools (M = 35.78; p < 0.001). The data revealed that the male students in secondary schools have more positive attitudes than the female students do (8.23, M>F). According to the grade level of the school, the male students’ ATNP at the elementary level is more positive than in junior high schools. Conclusions. The statistics show that students’ opinions toward nonlinear teaching are similar in elementary and secondary schools regardless of the grade level of the schools. Even still, most secondary school students find physical education less enjoyable than it was in elementary school. This fact provides instructors of physical education with user input. This finding is encouraging for students looking for strategies to bridge the gender gap in classroom settings. The effects of nonlinear pedagogy are also explored.

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Hamby, Barbara. "Toska." Iowa Review 24, no. 1 (1994): 104–5. http://dx.doi.org/10.17077/0021-065x.4702.

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Merialdo, Giacomo. "Spongia tosta." Revista Médica de Homeopatía 5, no. 2 (2012): 68–69. http://dx.doi.org/10.1016/s1888-8526(12)70142-x.

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Grancieri debona, Danieli, Patricia Fontes Pinheiro, Carlos Alexandre Pinheiro, et al. "AVALIAÇÃO DA COMPOSIÇÃO QUÍMICA DE CAFÉ ARABICA SUBMETIDO A DIFERENTES PERFIS DE TORRA." Revista Ifes Ciência 6, no. 3 (2020): 124–33. http://dx.doi.org/10.36524/ric.v6i3.864.

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O café é um importante commoditie agrícola, cuja qualidade é influenciada por fatores externos, como a altitude, ou transformadas por processos que existem entre sua produção e consumo, como a torra. Assim o objetivo desse estudo é avaliar cafés de diferentes altitudes, submetidos a perfis de torra distintos, a fim de identificar e quantificar os compostos de trigonelina, cafeína e ácido clorogênico. Para isso, amostras de cafés da espécie Coffea arabica L. foram obtidas em diferentes altitudes (750 metros e 1050 metros) e submetidas a três perfis de torra, sendo o primeiro com tempo curto de torra e alta temperatura (claro), o segundo com tempo médio de torra e média temperatura (médio), e por fim, tempo longo de torra com baixa temperatura (escuro). Os grãos torrados foram analisados por cromatografia líquida de ultra performance (UPLC) e os valores comparados pelos Teste de Tukey. Os resultados demostram a quantidade de trigonelina e cafeína não sofreram mudanças significativas entre os perfis de torra para cafés de alta e baixa altitude, entretanto para o ácido clorogênico, o café com origem de maior altitude apresenta diferença entre os perfis de torra se diferenciando da amostra de café de baixa altitude.

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Tozzi, Gianluca, Jason Warnett, and Farah Ahmed. "Preface to ToScA 2019 and ToScA 2020 special issue." Journal of Microscopy 285, no. 3 (2022): 119–20. http://dx.doi.org/10.1111/jmi.13092.

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Fontaine, Johnny R. J., Patrick Luyten, Paul De Boeck, and Jozef Corveleyn. "The test of self‐conscious affect: internal structure, differential scales and relationships with long‐term affects." European Journal of Personality 15, no. 6 (2001): 449–63. http://dx.doi.org/10.1002/per.428.

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Item analyses and confirmatory factor analyses on the Test of Self‐Conscious Affect (TOSCA), in a student (N = 723) and an adult (N = 891) sample, supported the theorized four factor structure of proneness to reparation, negative self‐evaluation, externalizing blame and unconcern. However, two‐fifth of the items did not empirically differentiate between two or more factors. Differential TOSCA scales, including only differentiating TOSCA items, were constructed and related to measures of long‐term affect, depression, anxiety, and anger. Both the pattern and size of correlations of the original and the differential TOSCA scales were almost identical. Results of this study support the interpretation of TOSCA guilt as a measure of a tendency to reparation associated with guilt and TOSCA shame as a measure of a tendency to global negative self‐evaluation. Copyright © 2001 John Wiley & Sons, Ltd.

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Chalfant, Madeleine, Karl W. Barber, Sapan Borah, David Thaller, and C. Patrick Lusk. "Expression of TorsinA in a heterologous yeast system reveals interactions with lumenal domains of LINC and nuclear pore complex components." Molecular Biology of the Cell 30, no. 5 (2019): 530–41. http://dx.doi.org/10.1091/mbc.e18-09-0585.

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DYT1 dystonia is caused by an in-frame deletion of a glutamic acid codon in the gene encoding the AAA+ ATPase TorsinA (TorA). TorA localizes within the lumen of the nuclear envelope/endoplasmic reticulum and binds to a membrane-spanning cofactor, lamina associated polypeptide 1 (LAP1) or lumenal domain like LAP1 (LULL1), to form an ATPase; the substrate(s) of TorA remains ill-defined. Here we use budding yeast, which lack Torsins, to interrogate TorA function. We show that TorA accumulates at nuclear envelope-embedded spindle pole bodies (SPBs) in a way that requires its oligomerization and the SUN (Sad1 and UNc-84)-domain protein, Mps3. We further show that TorA physically interacts with human SUN1/2 within this system, supporting the physiological relevance of these interactions. Consistent with the idea that TorA acts on a SPB substrate, its binding to SPBs is modulated by the ATPase-stimulating activity of LAP1. TorA and TorA-ΔE reduce the fitness of cells expressing mps3 alleles, whereas TorA alone inhibits growth of cells lacking Pom152, a component of the nuclear pore complex. This genetic specificity is mirrored biochemically as TorA, but not TorA-ΔE, binds Pom152. Thus, TorA–nucleoporin interactions might be abrogated by TorA-ΔE, suggesting new experimental avenues to interrogate the molecular basis behind nuclear envelope herniations seen in mammalian cells lacking TorA function.

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Kaysar, Mohammad Abdullah, Md Anisur Rahman Dayan, Md Mahmudul Habib, Md Fakhrul Abedin Himel, and Syed Jamal Ahmed. "Investigation of the Physico-Mechanical Properties of Different Portions of Tossa and White Jute Fibre." Saudi Journal of Engineering and Technology 7, no. 2 (2022): 89–93. http://dx.doi.org/10.36348/sjet.2022.v07i02.004.

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This research work investigates to select the appropriate portion like top, middle, bottom for both Tossa and White jute for suitable applications such as reinforcement, blending yarn, and diversified jute products. The fundamental properties of Tossa and White such as bundle strength, fineness, breaking twist, and whiteness (%) were studied. It was observed that the maximum strength found at the bottom portion for both Tossa and White were 10.35 lbs/mg, 10.08 lbs/mg respectively. The results revealed the higher breaking twist and whiteness (%) at the middle portion for both Tossa and White jute were 42.65, 36.75, 42.5%, 39% respectively. The better fineness found that at the top portion of Tossa and White jute were 36.15, 31.05 respectively.

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Rocha, Kelly Cristina, Renate Krause Sakate, Marcelo Agenor Pavan, Rômulo Fugito Kobori, Ricardo Gioria, and Valdir Atsushi Yuki. "Avaliação de danos causados pelo Tomato severe rugose virus (ToSRV) em cultivares de pimentão." Summa Phytopathologica 38, no. 1 (2012): 87–89. http://dx.doi.org/10.1590/s0100-54052012000100015.

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A espécie Tomato severe rugose virus (ToSRV) é a predominante em áreas de cultivo de pimentão no Estado de São Paulo. Sua ocorrência na cultura é relativamente recente de modo que não existem informações sobre os danos causados nesta cultura. Os objetivos do presente trabalho foram avaliar a produtividade e qualidade dos frutos de pimentão de três cultivares (Magda, Amanda e Rubia R) quando infectadas com o ToSRV. Verificou-se acentuada redução no número de frutos e menor crescimento das plantas, porém, o ToSRV não influenciou significativamente na massa, diâmetro e comprimento dos frutos. Os resultados obtidos até o momento permitem concluir que o ToSRV causa danos em pimentão e que há necessidade de estudos visando resistência ao ToSRV.

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Rajendra, R., and P. Siva Kota Reddy. "On Tosha-degree of an Edge in a Graph." European Journal of Pure and Applied Mathematics 13, no. 5 (2020): 1097–109. http://dx.doi.org/10.29020/nybg.ejpam.v13i5.3710.

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In an earlier paper, we have introduced the Tosha-degree of an edge in a graph without multiple edges and studied some properties. In this paper, we extend the definition of Tosha-degree of an edge in a graph in which multiple edges are allowed. Also, we introduce the concepts - zero edges in a graph, $T$-line graph of a multigraph, Tosha-adjacency matrix, Tosha-energy, edge-adjacency matrix and edge energy of a graph $G$ and obtain some results.

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Al-Mamun, M., C. K. Saha, M. G. Mostofa, A. Miah, and M. Z. Hossain. "IDENTIFICATION OF SUITABLE VARIETIES FOR SEED PRODUCTION OF JUTE IN NON-TRADITIONAL AREAS OF BANGLADESH." Bangladesh Journal of Plant Breeding and Genetics 30, no. 1 (2017): 33–38. http://dx.doi.org/10.3329/bjpbg.v30i1.36531.

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The experiment was conducted at Hill Agricultural Research Station, Khagrachari (representing hilly areas), Agricultural Research Station, Satkhira and Jute Research Station, Patuakhali (representing saline areas) with seven varieties of jute and one variety of kenaf to find out the seed production potentiality in non-traditional areas. All varieties were sown in late July to mid August in 2009 to 2011. At hilly station white jute varieties (BJRI Deshi Pat-6, CVL-1 and BJRI Deshi Pat-5) performed better for seed production than tossa jute and kenaf varieties. At saline station (both Satkhira and Patuakhali) kenaf variety HC-95 performed better for seed yield than white and tossa jute varieties (O-9897, OM-1, BJRI Tossa Pat-4 and BJRI Tossa Pat-5). The kenaf variety (HC-95) produced the highest yield (0.86 ton/ha) in saline areas. Among the white jute varieties, BJRI Deshi Pat-5 gave the highest yield (0.66 ton/ha) and in case of tossa jute varieties, BJRI Tossa Pat-5 gave the highest seed yield (0.70 ton/ha). Therefore, BJRI Deshi Pat-5 of white jute, BJRI Tossa Pat-5 and HC-95 of kenaf are considered as the best varieties for seed production in hilly and saline areas of Bangladesh, respectively.

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KARASALİHOĞLU, Murat. "Seyahatnameler Işığında Tosya." Ankara Üniversitesi Sosyal Bilimler Dergisi 11, no. 2 (2020): 179. http://dx.doi.org/10.33537/sobild.2020.11.2.15.

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Kastamonu coğrafyası oldukça dağlık bir yapıya sahiptir. Coğrafyanın zorluğu yanı sıra Anadolu'nun önemli yol sistemleri üzerinde de yer almaz. Bu durum bölgenin tarihsel yazılı kaynak ve seyahatnamelerde fazla geçmemesine neden olmuştur. Kastamonu'nun bu genel durumuna uymayan bir yer ise Tosya'dır. Kastamonu'nun ilçesi olan Tosya, tarih boyunca Kuzey Anadolu'nun en önemli ticari ve askeri güzergâhının üzerindeki Devrez Vadisi'nde yer almaktadır. İlçe konumu gereği tarihin her döneminde önemli bir yer olmuştur. İlçe bu konumuyla birlikte önceleri Hristiyan Hac yolunu kullananların daha sonra da özellikle İran ve Hindistan'a seyahat eden gezginlerin notlarında yer almıştır. Erken dönem tarihi hakkında fazla bilgimizin olmadığı Tosya'nın Bizans Dönemi sonlarına doğru yazılı kaynaklarda görünmeye başladığı görülür. MS 10. yüzyılda yaşamış olan Arap El- Makdisi'den isminin “Dusiniya” olduğu öğrendiğimiz ilçe üzerine 15. yüzyıldan itibaren bilgiler seyahatnameler aracılığıyla gelmeye başlar. Birçok kişi tarafından ziyaret edilen yerleşim üzerine seyahatnamelerde demografik yapı, tarihsellik, tarım, zanaat, sanayi ve kente dair başka değerli bilgileri bulmak mümkündür. Bu bilgiler arasında ilçenin bağcılık ve şarapları, nüfus yapısındaki Hıristiyan ve Müslüman çeşitliliği ile Yeşil Fas Derisi ile kaşmir üretimi öne çıkan özellikler olarak görülür.

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McKee, David. "Tosca. Giacomo Puccini." Opera Quarterly 11, no. 2 (1995): 136–38. http://dx.doi.org/10.1093/oq/11.2.136.

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McKee, David. "Tosca. Giacomo Puccini." Opera Quarterly 12, no. 2 (1995): 127–29. http://dx.doi.org/10.1093/oq/12.2.127.

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Baxter, Robert. "Tosca. Giacomo Puccini." Opera Quarterly 12, no. 2 (1995): 142–44. http://dx.doi.org/10.1093/oq/12.2.142.

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McKee, D. "Tosca. Giacomo Puccini." Opera Quarterly 16, no. 3 (2000): 487–90. http://dx.doi.org/10.1093/oq/16.3.487.

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Pines, R. "Tosca. Giacomo Puccini." Opera Quarterly 18, no. 1 (2002): 135–37. http://dx.doi.org/10.1093/oq/18.1.135.

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Levine, Robert. "Tosca. Giacomo Puccini." Opera Quarterly 5, no. 1 (1987): 151–53. http://dx.doi.org/10.1093/oq/5.1.151.

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Albright, W. "Tosca. Giacomo Puccini." Opera Quarterly 20, no. 1 (2004): 148–52. http://dx.doi.org/10.1093/oq/kbh023.

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Graeme, Roland. "Tosca. Giacomo Puccini." Opera Quarterly 10, no. 1 (1993): 138–41. http://dx.doi.org/10.1093/oq/10.1.138.

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McKee, David. "Tosca. Giacomo Puccini." Opera Quarterly 10, no. 1 (1993): 142–44. http://dx.doi.org/10.1093/oq/10.1.142.

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Siemens, Elena. "Seminar on ‘Toska’." Russian Literature 35, no. 2 (1994): 261–75. http://dx.doi.org/10.1016/0304-3479(94)90036-1.

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Talukder, Fakhar Uddin, Md Sohanur Rahman, Md Mia Mukul, and SMA Haque. "Comparative study of selected tossa jute varieties (Corchorus olitorius) in response to the presence of fungi." SAARC Journal of Agriculture 20, no. 1 (2022): 67–76. http://dx.doi.org/10.3329/sja.v20i1.60651.

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The purpose of this study was to observe the germination rate and fungal pathogens association in selected Tossa jute varieties. The experiment was conducted following Completely Randomized Design (CRD) with four replications. Truthfully labelled seeds (TLS) collected from four districts in Bangladesh, was used in the present study. The Highest germination rate (93.5%) and the lowest infection (31.25 pathogens/100 seed) were observed in BJRI Tossa Pat 5 (O-795) variety. BJRI Tossa Pat 4 (O-72) was observed as the most vulnerable against pathogen infection (121.25 pathogens/100 seed) and the showed lowest germination (83.25%). Regressions co-efficient (β) -0.82 was observed between germination (%) and total number of pathogens on seeds. Regression co-efficient (β) was -0.71 between moisture (%) and germination (%) of Tossa seeds. Regression co-efficient (β) was 0.65 between moisture (%) and total number of pathogens at Tossa jute seeds. For conducting the experiment, there was no limitation. From the study, it may be concluded that, seed-borne pathogenic fungi negatively affect the germination (%) of Tossa jute seed. SAARC J. Agric., 20(1): 67-76 (2022)

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Barreto, S. S., M. Hallwass, O. M. Aquino, and A. K. Inoue-Nagata. "A Study of Weeds as Potential Inoculum Sources for a Tomato-Infecting Begomovirus in Central Brazil." Phytopathology® 103, no. 5 (2013): 436–44. http://dx.doi.org/10.1094/phyto-07-12-0174-r.

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Tomato severe rugose virus (ToSRV) is the most important begomovirus species in Brazilian tomato production. Many weeds are associated with tomato, and some are hosts of begomoviruses. Only one species of weed, Nicandra physaloides, has been found to be infected with ToSRV. In this study, four weed species were investigated for their capacity to be infected by ToSRV and serve as a potential source of inoculum for tomato. Begomoviruses from naturally infected Crotalaria spp., Euphorbia heterophylla, N. physaloides, and Sida spp. were successfully transferred to tomato plants by biolistic inoculation. ToSRV was the major virus transferred to tomato. In contrast, other begomoviruses were transferred to weeds, such as Sida micrantha mosaic virus and Euphorbia yellow mosaic virus. Furthermore, a new strain of Sida micrantha mosaic virus is reported. We also confirmed that Crotalaria spp., E. heterophylla, and Sida spp. are infected with ToSRV but at low viral titers and in mixed infections with weed-infecting begomoviruses. Thus, it was demonstrated that weeds are potential sources of ToSRV for tomato in central Brazil.

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Vander Heyden, Abigail B., Teresa V. Naismith, Erik L. Snapp, Didier Hodzic, and Phyllis I. Hanson. "LULL1 Retargets TorsinA to the Nuclear Envelope Revealing an Activity That Is Impaired by the DYT1 Dystonia Mutation." Molecular Biology of the Cell 20, no. 11 (2009): 2661–72. http://dx.doi.org/10.1091/mbc.e09-01-0094.

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TorsinA (TorA) is an AAA+ ATPase in the endoplasmic reticulum (ER) lumen that is mutated in early onset DYT1 dystonia. TorA is an essential protein in mice and is thought to function in the nuclear envelope (NE) despite localizing throughout the ER. Here, we report that transient interaction of TorA with the ER membrane protein LULL1 targets TorA to the NE. FRAP and Blue Native PAGE indicate that TorA is a stable, slowly diffusing oligomer in either the absence or presence of LULL1. Increasing LULL1 expression redistributes both wild-type and disease-mutant TorA to the NE, while decreasing LULL1 with shRNAs eliminates intrinsic enrichment of disease-mutant TorA in the NE. When concentrated in the NE, TorA displaces the nuclear membrane proteins Sun2, nesprin-2G, and nesprin-3 while leaving nuclear pores and Sun1 unchanged. Wild-type TorA also induces changes in NE membrane structure. Because SUN proteins interact with nesprins to connect nucleus and cytoskeleton, these effects suggest a new role for TorA in modulating complexes that traverse the NE. Importantly, once concentrated in the NE, disease-mutant TorA displaces Sun2 with reduced efficiency and does not change NE membrane structure. Together, our data suggest that LULL1 regulates the distribution and activity of TorA within the ER and NE lumen and reveal functional defects in the mutant protein responsible for DYT1 dystonia.

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Adam, Ilectra, Lyne Jossé, and Mick F. Tuite. "Human TorsinA can function in the yeast cytosol as a molecular chaperone." Biochemical Journal 474, no. 20 (2017): 3439–54. http://dx.doi.org/10.1042/bcj20170395.

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TorsinA (TorA) is an AAA+ (ATPases associated with diverse cellular activities) ATPase linked to dystonia type 1 (DYT1), a neurological disorder that leads to uncontrollable muscular movements. Although DYT1 is linked to a 3 bp deletion in the C-terminus of TorA, the biological function of TorA remains to be established. Here, we use the yeast Saccharomyces cerevisiae as a tractable in vivo model to explore TorA function. We demonstrate that TorA can protect yeast cells against different forms of environmental stress and show that in the absence of the molecular disaggregase Hsp104, TorA can refold heat-denatured luciferase in vivo in an ATP-dependent manner. However, this activity requires TorA to be translocated to the cytoplasm from the endoplasmic reticulum in order to access and process cytoplasmic protein aggregates. Furthermore, mutational or chemical inactivation of the ATPase activity of TorA blocks this activity. We also find that TorA can inhibit the propagation of certain conformational variants of [PSI+], the aggregated prion form of the endogenous Sup35 protein. Finally, we show that while cellular localisation remains unchanged in the dystonia-linked TorA mutant ΔE302-303, the ability of this mutant form of TorA to protect against cellular stress and to facilitate protein refolding is impaired, consistent with it being a loss-of-function mutation.

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van Es, Saskia, Deborah Wessels, David R. Soll, Jane Borleis, and Peter N. Devreotes. "Tortoise, a Novel Mitochondrial Protein, Is Required for Directional Responses of Dictyostelium in Chemotactic Gradients." Journal of Cell Biology 152, no. 3 (2001): 621–32. http://dx.doi.org/10.1083/jcb.152.3.621.

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We have identified a novel gene, Tortoise (TorA), that is required for the efficient chemotaxis of Dictyostelium discoideum cells. Cells lacking TorA sense chemoattractant gradients as indicated by the presence of periodic waves of cell shape changes and the localized translocation of cytosolic PH domains to the membrane. However, they are unable to migrate directionally up spatial gradients of cAMP. Cells lacking Mek1 display a similar phenotype. Overexpression of Mek1 in torA− partially restores chemotaxis, whereas overexpression of TorA in mek1− does not rescue the chemotactic phenotype. Regardless of the genetic background, TorA overexpressing cells stop growing when separated from a substrate. Surprisingly, TorA–green fluorescent protein (GFP) is clustered near one end of mitochondria. Deletion analysis of the TorA protein reveals distinct regions for chemotactic function, mitochondrial localization, and the formation of clusters. TorA is associated with a round structure within the mitochondrion that shows enhanced staining with the mitochondrial dye Mitotracker. Cells overexpressing TorA contain many more of these structures than do wild-type cells. These TorA-containing structures resist extraction with Triton X-100, which dissolves the mitochondria. The characterization of TorA demonstrates an unexpected link between mitochondrial function, the chemotactic response, and the capacity to grow in suspension.

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Finsterbusch, Karin. "Aufsummierte Tora." Journal of Ancient Judaism 2, no. 1 (2011): 1–28. http://dx.doi.org/10.30965/21967954-00201001.

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This article studies how the word Torah is used in the Pentateuch to designate a collection of laws. In Deuteronomy – originally an independent composition – “Torah” is used for the first time as a designation of a substantial collection of laws. When Deuteronomy was integrated into the Pentateuch this deuteronomic signification of “Torah” changed: According to Exod 24:12, God gives on Mt. Sinai to Moses. Based on the key terms and , the adressees of the Pentateuch could only understand this Sinai-Torah as refering to Exod 25:1–31:17; Lev 1–27; Deut 5:1b–26:16; the blessings and curses of Deut 28; and the song of Deut 32. The Torah containing these passages forms the basis of the covenant in Moab (Deuteronomy 29–30) and is written down by Moses according to Deut 31:9, 24. This “Moabite” Torah Book is placed in the Pentateuch next to the “Book of the Covenant” which is written down by Moses as well (Exod 24:7) and which provides the basis for the covenant formed on Mt. Sinai.

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Finsterbusch, Karin. "Aufsummierte Tora." Journal of Ancient Judaism 2, no. 1 (2011): 1–28. http://dx.doi.org/10.13109/jaju.2011.2.1.1.

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Haswinda, Haswinda, Sulfasyah Sulfasyah, and Tasrif Akib. "Hubungan Antara Minat Belajar Dengan Prestasi Belajar Terhadap Mata Pelajaran Bahasa Indonesia Siswa Kelas IV." JKPD (Jurnal Kajian Pendidikan Dasar) 3, no. 2 (2018): 496. http://dx.doi.org/10.26618/jkpd.v3i2.1416.

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Desain penelitian ini adalah penelitian Korelasi Product Moment yang melibatkan dua variabel. Penelitian ini bertujuan untuk mengetahui(1) Minat belajar Siswa Terhadap Mata Pelajaran Bahasa Indonesia SDN 253 Padatuo Kecamatan Tonra Kabupaten Bone, (2) Prestasi Belajar Siswa Terhadap Mata Pelajaran Bahasa Indonesia SDN 253 Padatuo Kecamatan Tonra Kabupaten Bone, (3) Hubungan Antara Minat Belajar dengan Prestasi Belajar Terhadap Mata Pelajaran Bahasa Indonesia Siswa Kelas IV SDN 253 Padatuo Kecamatan Tonra Kabupaten Bone. Populasi penelitian ini adalah seluruh siswa SDN 253 Padatuo Kecamatan Tonra Kabupaten Bone pada semester ganjil 2016/2017. Hasil analisis data memperlihatkan bahwa dari 30 siswa yang menjadi sampel penelitian, maka diperoleh nilai rhitung sebesar 0,531. Dari nilai rhitung yang diperoleh merupakan hasil dari analisis melalui product moment yang diambil dari pengamatan Hubungan Antara Minat Belajar dengan Prestasi Belajar Terhadap Mata Pelajaran Bahasa Indonesia Siswa Kelas IV SDN 253 Padatuo Kecamatan Tonra Kabupaten Bone, sedangkan nilai rtabel dilihat pada taraf signifikan 5% sebesar 0,361 dengan N = 30. Hal ini membuktikan bahwa nilai analisis data lebih besar dari pada nilai rtabel, maka hipotesis yang diajukan dalam penelitian ini diterima dan terdapat hubungan yang signifikan antara minat belajar dengan prestasi belajar Terhadap siswa kelas IV SDN 253 Padatuo kecamatan tonra Kabupaten Bone Kata Kunci :Minat belajar, Prestasi belajar Siswa pada Mata Pelajaran Bahasa indonesia.

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Schmidt, Carla Adriana Pizarro, Édison Miglioranza, and Sandra Helena Prudêncio. "Interação da torra e moagem do café na preferência do consumidor do oeste paranaense." Ciência Rural 38, no. 4 (2008): 1111–17. http://dx.doi.org/10.1590/s0103-84782008000400032.

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O objetivo deste estudo foi avaliar as preferências dos consumidores de café da região oeste do Paraná, em relação ao ponto de torra e à granulometria de moagem. Foram realizadas análises sensoriais de preferência e físico-químicas. As análises físico-químicas foram utilizadas para monitorar as mudanças ocorridas nos produtos ao longo do processo de torra. Os cafés com torras mais leves foram pouco aceitos. O café que apresentou aparência global, aroma e sabor preferido foi o que apresentava uma torra média escura, mais próxima das torras tradicionais brasileiras. A torra mais escura foi bem aceita apenas em relação à aparência. A moagem fina foi preferida em relação à aparência global do produto, mas, apesar de ter apresentado maior acidez, os provadores não diferenciaram seu sabor.

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Sukarno, Nota Ali. "PENGARUH VARIASI WAKTU AGING PISTON SEPEDA MOTOR TOSSA SUPRA TERHADAP SIFAT KEKERASAN DAN STRUKTUR MIKRO." Perwira Journal of Science & Engineering 1, no. 1 (2021): 57–61. http://dx.doi.org/10.54199/pjse.v1i1.22.

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Abstract:

Piston merupakan komponen utama pada kendaraan yang berfungsi mengubah energi kinetik menjadi energi gerak. Piston harus mampu bergerak bolak balik pada sebuah ruang bakar, juga harus mampu bergerak dengan cepat, yang berarti bahan piston harus ringan. Bahan yang baik dari piston adalah aluminium, tetapi bahan aluminium belumlah cukup, terutama bila menerima tekanan panas. Kemudian aluminium dicampur dengan paduan lain, misalnya magnesium, silikon dan sebagainya. Bahan ini disebut aluminium paduan. Pada penelitian kali ini bertujuan untuk mengetahui pengaruh variasi waktu aging terhadap kekerasan dan struktur mikro piston Tossa Supra dengan suhu treatment 500 oC selama 1 jam dan suhu aging 150 oC selama 2, 3, 4, dan 5 jam. Hasil uji kekerasan Brinnel menunjukkan kekerasan rata-rata Honda Supra lebih tinggi dibandingkan dengan piston Tossa supra yaitu 118 kg/mm2 untuk Honda Supra dan 104 kg/mm2 untuk Tossa Supra. Setelah piston Tossa supra mengalami aging dengan variasi waktu kekerannya meningkat yaitu selama 2 jam 113 kg/mm2, 3 jam 114 kg/mm2, 4 jam 118 kg/mm2, dan 5 jam 122 kg/mm2. Sedangkan hasil dari pengamatan struktur mikro, diperoleh bahwa unsur paduan silikon dan magnesium pada piston Honda Supra lebih banyak, besar dan merata dibanding piston Tossa Supra. Oleh sebab itu, piston Honda Supra kekerasannya lebih tinggi, tetapi untuk piston Tossa Supra setelah mengalami aging unsur paduannya mengalami pula perubahan menjadi kelompok fasa Mg2Si yang besar dan merata.

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