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Добірка наукової літератури з теми "Validation approch"

Автор: Grafiati
Опубліковано: 10 грудня 2022
Оновлено: 28 січня 2023

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Статті в журналах з теми "Validation approch"

1

Rahman, Mohammad Azizur, Qian Zhao, Helga Wiederhold, Nico Skibbe, Eva González, Nico Deus, Bernhard Siemon, Reinhard Kirsch, and Jörg Elbracht. "Coastal groundwater systems: mapping chloride distribution from borehole and geophysical data." Grundwasser 26, no. 2 (January 21, 2021): 191–206. http://dx.doi.org/10.1007/s00767-021-00475-1.

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AbstractInformation on chloride (Cl) distribution in aquifers is essential for planning and management of coastal zone groundwater resources as well as for simulation and validation of density-driven groundwater models. We developed a method to derive chloride concentrations from borehole information and helicopter-borne electromagnetic (HEM) data for the coastal aquifer in the Elbe-Weser region where observed chloride and electrical conductivity data reveal that the horizontal distribution of salinity is not uniform and does not correlate with the coastline. The integrated approach uses HEM resistivity data, borehole petrography information, grain size analysis of borehole samples as well as observed chloride and electrical conductivity to estimate Cl distribution. The approch is not straightforward due to the complex nature of the geology where clay and silt are present. Possible errors and uncertainties involved at different steps of the method are discussed.
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2

Annisa, Putri, and Ahmad Nizar Rangkuti. "LINTASAN BELAJAR MATERI ARITMATIKA SOSIAL DENGAN PENDEKATAN PENDIDIKAN MATEMATIKA REALISTIK DI SMP NEGERI 1 BATANG ANGKOLA KABUPATEN TAPANULI SELATAN." Math Educa Journal 3, no. 2 (November 11, 2019): 109–17. http://dx.doi.org/10.15548/mej.v3i2.676.

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The Purpose of the research is to find out validation and practically learning trajectory by realistic mathematics education approach of social arithmetic object in SMP Negeri 1 Batang Angkola. This research in research forming design research type validation study even the purposing developing local intruction theory (LIT) by compinion researcher and teacher to improving quality of learning. The action this research at SMP Negeri 1 Batang Angkola by experience subject of product in grade VII-A, leader 32 students. The instrument collecting data by using validation paper, questionnaire and using analysing validation technique and practicalitation. The result of research point out learning trajectory by realistic mathematics education approach said valid and practice. The validating source learning point out with score 76% by analyses 2 validator. The practicitation source learning find out with score 88% from questionnening respon of students, action all componens. Realistic Mathematics Education Approach to proccesing learning and extracted student in learning social arithmetic material. The source of learning resulting to this research forming activities action from reaching the purpose of learning, when purpose of learning are understanding social arithmetic concept.
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3

Tietbohl, Caroline K. "Empathic Validation in Physician–Patient Communication: An Approach to Conveying Empathy for Problems With Uncertain Solutions." Qualitative Health Research 32, no. 3 (December 11, 2021): 413–25. http://dx.doi.org/10.1177/10497323211056312.

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Interest in systematic approaches to improving clinical empathy has increased. However, conceptualizations of empathy are inconsistent and difficult to operationalize. Drawing on video recordings of primary care visits with older adults, I describe one particular communication strategy for conveying empathy—empathic validation. Using conversation analysis, I show that the design of empathic validations and the context in which they are delivered are critical to positive patient responses. Effective empathic validations must (a) demonstrate shared understanding and (b) support the patient’s position. Physicians provided empathic validation when there was no medical solution to offer and within this context, for three purposes: (1) normalizing changes in health, (2) acknowledging individual difficulty, and (3) recognizing actions or choices. Empathic validation is a useful approach because it does not rely on patients’ ability to create an “empathic opportunity” and has particular relevance for older adults.
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4

Bartak, Roman, Adrien Maillard, and Rafael Cardoso. "Validation of Hierarchical Plans via Parsing of Attribute Grammars." Proceedings of the International Conference on Automated Planning and Scheduling 28 (June 15, 2018): 11–19. http://dx.doi.org/10.1609/icaps.v28i1.13892.

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An important problem of automated planning is validating if a plan complies with the domain model. Such validation is straightforward for classical sequential planning but until recently there was no plan validation approach for Hierarchical Task Networks (HTN). In this paper we propose a novel technique for validating HTN plans by parsing of attribute grammars with the timeline constraint.
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5

Francis, R. I. C. Chris, Steven E. Campana, and Helen L. Neil. "Validation of fish ageing methods should involve bias estimation rather than hypothesis testing: a proposed approach for bomb radiocarbon validations." Canadian Journal of Fisheries and Aquatic Sciences 67, no. 9 (September 2010): 1398–408. http://dx.doi.org/10.1139/f10-068.

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The need to validate methods of ageing fish is widely accepted and several approaches to validation have been used. Most validations are essentially informal tests, using graphical methods, of the null hypothesis of zero bias in the age estimates. It is argued that it would be more useful to estimate a confidence interval for this bias. This would provide both a quantitative measure of the strength of the validation and a means of formalising the hypothesis test. A method of estimating this confidence interval is proposed for validations based on bomb radiocarbon, and this is illustrated using data for bluenose ( Hyperoglyphe antarctica ) and haddock ( Melanogrammus aeglefinus ).
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6

Ginting, Herson, M. Oky Gafari, and Malan Lubis. "Development of Exposition Text Writing Teaching Materials With Genre Approach to Students of Grade X Vocational High School Brigjen Katamso Medan." Budapest International Research and Critics in Linguistics and Education (BirLE) Journal 2, no. 3 (July 29, 2019): 372–97. http://dx.doi.org/10.33258/birle.v2i3.377.

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Анотація:
The aims of this study to find the validation conducted by the material expert validator on the development of the exposition text writing module. This research used development method by using population data of all student grade X vocational high school Brigjen Katamso Medan with total 92 students. The technique of collecting data by using by simple random sampling. . The results of the validation carried out by the material expert validator on the development of the exposition text writing module with the genre approach 89.11% with the category "Very Good". The results of the validation carried out by the design expert validator on the exposition text writing module overall average value of 90.80% with the category "Very Good". The teacher's assessment of the exposition text writing module with the genre approach for grade X students obtained an average value of 80.70% in the "good" category
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7

Tazkiyah, Fida, Helli Ihsan, and Muhammad Ariez Musthofa. "Prophetic Leadership Scale’s Validation and the Tendency of Normative Response." Jurnal Psikologi Islam dan Budaya 3, no. 2 (November 1, 2020): 147–58. http://dx.doi.org/10.15575/jpib.v3i2.5770.

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This study aims to validate the prophetic leadership scale by using a quantitative approach. 202 leaders were involved in this study. Data analysis technique that has been used for construct validation is factorial validation with confirmatory factor analysis (CFA), a convergent validation, discriminant validation, and social desirability bias with Pearson correlation. There are 4 instruments used in this study, namely the measuring instrument of prophetic leadership, the measuring instrument of authentic leadership as a convergent validator, the measuring instrument of religiosity as a discriminant validator, and the measuring tool of social desirability as a validator of social appropriateness bias. The prophetic leadership measurement tool measures the same construct as the authentic leadership measurement tool, and measures different constructs from the religiosity measurement tool, and the prophetic leadership measurement tool has a social appropriateness bias or the respondent's tendency to give answers in accordance with norms. The findings raise a prospect that social desirability bias’s influences fitness indices in a scale’s validation.
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8

Giraldo, Frank D. "Validity and Classroom Language Testing: A Practical Approach." Colombian Applied Linguistics Journal 22, no. 2 (December 22, 2020): 194–206. http://dx.doi.org/10.14483/22487085.15998.

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Анотація:
Validity and validation are common in large-scale language testing. These topics are fundamental because they help stakeholders in testing systems make accurate interpretations of individuals’ language ability and related ensuing decisions. However, there is limited information on validity and validation for classroom language testing, for which interpretations and decisions based on curriculum objectives are paramount, too. In this reflection article, I provide a critical account of these two issues as they are applied in large-scale testing. Next, I use this background to discuss and provide possible applications for classroom language education through a proposed approach for validating classroom language tests. The approach comprises the analyses of curriculum objectives, design of test specifications, analysis of test items, professional design of instruments, statistical calculations, cognitive validation and consequential analyses. I close the article with implications and recommendations for such endeavours and highlight why they are fundamental for high-quality language testing systems in classroom contexts.
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9

FELLNER, Andrzej, Radosław FELLNER, and Eugeniusz PIECHOCZEK. "Pre-flight validation RNAV GNSS approach procedures for EPKT in „EGNOS APV Mielec Project”." Scientific Journal of Silesian University of Technology. Series Transport 90 (March 1, 2016): 37–46. http://dx.doi.org/10.20858/sjsutst.2016.90.4.

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10

Fonseca i Casas, Pau, Joan Garcia i Subirana, Víctor García i Carrasco, and Xavier Pi i Palomés. "SARS-CoV-2 Spread Forecast Dynamic Model Validation through Digital Twin Approach, Catalonia Case Study." Mathematics 9, no. 14 (July 14, 2021): 1660. http://dx.doi.org/10.3390/math9141660.

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Анотація:
The spread of the SARS-CoV-2 modeling is a challenging problem because of its complex nature and lack of information regarding certain aspects. In this paper, we explore a Digital Twin approach to model the pandemic situation in Catalonia. The Digital Twin is composed of three different dynamic models used to perform the validations by a Model Comparison approach. We detail how we use this approach to obtain knowledge regarding the effects of the nonpharmaceutical interventions and the problems we faced during the modeling process. We use Specification and Description Language (SDL) to represent the compartmental forecasting model for the SARS-CoV-2. Its graphical notation simplifies the different specialists’ understanding of the model hypotheses, which must be validated continuously following a Solution Validation approach. This model allows the successful forecasting of different scenarios for Catalonia. We present some formalization details, discuss the validation process and present some results obtained from the validation model discussion, which becomes a digital twin of the pandemic in Catalonia.
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Дисертації з теми "Validation approch"

1

Pang, Lee Yick. "A quantitative approach to linguistic model validation." Thesis, University College London (University of London), 1990. http://discovery.ucl.ac.uk/10018475/.

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The thesis is an attempt to identify a method of statistical analysis whereby theoretical linguistic models can be validated, to some degree, via analysis of language user perception of text structure. Such a tool of validation is indispensible but has yet to be identified. There are two areas of linguistic model validation where the proposed method of analysis can make a substantial contribution: a - in validating linguistic models, qua descriptive models, as explanatory models, and b - in establishing grounds for comparison among competing and/or conflicting linguistic models in the same area of linguistic investigation. The study has a clear methodological emphasis and explores new empirical procedures of text analysis. The statistical technique for such a validation study is repertory grid analysis (Kelly 1955, Slater 1977). This technique is widely used in psychotherapy but is used for the first time in linguistic investigation. Repertory grid analysis offers two very important contributions. It is, on the one hand, one of the most rigorous quantitative methods for the study of human perception; at the same time, it allows for qualitative analysis of the data, which is very desirable in the study proposed. The area of linguistics to be studied is the signalling approach to text analysis proposed by Winter (1977, 1982) and Hoey (1979, 1983). An informal pre-pilot was first carried out to examine broad features and potential problems of the application of repertory grid analysis to the investigation planned. A proper pilot was then carried out to investigate closely the feasibility of the study. Results from the pilot indicated that the proposed approach was usable. The main study was then performed on a representative sample of a target population (i.e. a sub-population of undergraduate students in Hong Kong). Besides analyses associated with the repertory grid technique, an ANOVA design was used for the investigation of aspects within the experimental situation that may be of relevance. The independent variables include relative English language proficiency and the major academic disciplines of the experimental subjects, different methods of grid elicitation, and variation in text structure. The data were analysed first on individual perception of text structure and then on the agreement between the theoretical model and subject perception both as individuals and as a group. In the analyses, both a quantitative and a qualitative approach were used. The results of the study indicated very clearly that repertory grid analysis was able to make interesting and informative comparisons between the theoretical model and subject perception of text structure and should be a usable technique for linguistic model validation as first hypothesized. In particular, individual characteristics of perception were uncovered; and the consensus view of the sample was captured. Furthermore, the present application of repertory grid analysis also enabled a qualitative analysis of the data which threw additional light on and provided much needed details for the research. The study has important implications for linguistics. Firstly, an objective and statistically based technique for rendering linguistic models susceptible to validation procedure, so far unavailable, has now been identified. Furthermore, the study certainly helps to establish applied linguistics as an academic discipline at once independent from and contributing to theoretical linguistics.
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2

Weekley, Christopher D. "Aircraft simulation validation using an instrumental variable approach." Thesis, Virginia Tech, 1992. http://hdl.handle.net/10919/41517.

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A procedure is developed which offers the potential to validate aircraft simulation models using noisy flight test measurements. The proposed validation procedure is based on the instrumental variable parameter identification method. The instrumental variable method requires a choice of "instruments." For this research, the "instruments" are chosen using the response predicted by an available simulation model. With the “instruments” chosen from the predicted response, it is shown that the parameter estimates are correlated with only the measured input noise vector. In contrast, the generally used least-squares approach is shown to be correlated with both the state and input noise vectors. Several studies are presented to demonstrate the utility of the validation procedure. These studies include input variations and noise variations. The method is demonstrated using longitudinal and lateral/directional axis cases derived from a nonlinear simulation of a high performance fighter aircraft. The results are presented using time response comparisons, eigenvalue comparisons, and identified stability derivative comparisons. The case study results confirm that the instrumental variable method performs better than the least-squares technique when the state noise level is high and the input noise level is relatively low.
Master of Science
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3

Yeo, Sheau-yuen. "Measuring organizational climate for diversity a construct validation approach /." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1141677667.

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4

Hachey, Krystal. "Examining Thinking Skills in the Context of Large-scale Assessments Using a Validation Approach." Thèse, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/30974.

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Large Scale Assessments (LSAs) of student achievement in education serve a variety of purposes, such as comparing educational programs, providing accountability measures, and assessing achievement on a broad range of curriculum standards. In addition to measuring content-related processes such as mathematics or reading, LSAs also focus on thinking-related skills such as lower level thinking (e.g., understanding concepts) and problem solving. The purpose of the current study was to deconstruct and clarify the mechanisms that make up an LSA, including thinking skills and assessment perspectives, from a validation approach based on the work by Messick (1995) and Kane (1990). Therefore, when examining the design and student data of two LSAs in reading, (a) what common thinking skills are assessed? and (b) what are the LSAs’ underlying assessment perspectives? Content analyses were carried out on two LSAs that purported to assess thinking skills in reading: the Pan-Canadian Assessment Program (PCAP) and the Educational Quality and Accountability Office (EQAO). As the two LSAs evaluated reading, the link between reading and thinking was also addressed. Conceptual models were developed and used to examine the assessment framework, test booklets, and scoring guide of the two assessments. In addition, a nonlinear factor analysis was conducted on the EQAO item-level data from the test booklets to examine the dimensionality of the LSA. The most prominent thinking skill referenced after qualitatively analyzing the assessment frameworks, test booklets, and scoring guides was critical thinking, while results from the quantitative analysis revealed that two factors best represented the item-level EQAO data. Overall, the tools provided in the current study can help inform both researchers and practitioners about the interaction between the assessment approach and related thinking skills.
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5

Essien, Joe. "Model driven validation approach for enterprise architecture and motivation extensions." Thesis, University of West London, 2015. https://repository.uwl.ac.uk/id/eprint/1269/.

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As the endorsement of Enterprise Architecture (EA) modelling continues to grow in diversity and complexity, management of its schema, artefacts, semantics and relationships has become an important business concern. To maintain agility and flexibility within competitive markets, organizations have also been compelled to explore ways of adjusting proactively to innovations, changes and complex events also by use of EA concepts to model business processes and strategies. Thus the need to ensure appropriate validation of EA taxonomies has been considered severally as an essential requirement for these processes in order to exert business motivation; relate information systems to technological infrastructure. However, since many taxonomies deployed today use widespread and disparate modelling methodologies, the possibility to adopt a generic validation approach remains a challenge. The proliferation of EA methodologies and perspectives has also led to intricacies in the formalization and validation of EA constructs as models often times have variant schematic interpretations. Thus, disparate implementations and inconsistent simulation of alignment between business architectures and heterogeneous application systems is common within the EA domain (Jonkers et al., 2003). In this research, the Model Driven Validation Approach (MDVA) is introduced. MDVA allows modelling of EA with validation attributes, formalization of the validation concepts and transformation of model artefacts to ontologies. The transformation simplifies querying based on motivation and constraints. As the extended methodology is grounded on the semiotics of existing tools, validation is executed using ubiquitous query language. The major contributions of this work are the extension of a metamodel of Business Layer of an EAF with Validation Element and the development of EAF model to ontology transformation Approach. With this innovation, domain-driven design and object-oriented analysis concepts are applied to achieve EAF model’s validation using ontology querying methodology. Additionally, the MDVA facilitates the traceability of EA artefacts using ontology graph patterns.
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6

Reeves, Stanley J. "A cross-validation approach to image restoration and blur identification." Diss., Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/13414.

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Baduel, Ronan. "An integrated model-based early validation approach for railway systems." Thesis, Toulouse 2, 2019. http://www.theses.fr/2019TOU20083.

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L’ingénierie système est un domaine où l’on étudie la conception de systèmes complexes. Un système est une solution que l’on veut développer, par exemple un train ou un réseau de satellites. Un système complexe est composé de différents éléments indépendants. Les ingénieurs travaillent à partir de listes d’attentes vis à vis du système, chacune caractérisant ce qu’il doit être ou doit faire. Ils créent alors un système et vérifient qu’il répond aux attentes. Afin de gagner du temps et de l’argent, on souhaite vérifier que le système correspond aux attentes avant même de le réaliser. Cela demande d’intégrer les différentes attentes et spécifier comment elles doivent être mises ensembles, générant ainsi un système attendu que l’on peut valider. Le but de la thèse est de fournir une méthode permettant d'intégrer les informations caractérisant un système de train au cours de sa conception, permettant ainsi la spécification, la représentation et la validation de son comportement
System engineering is a domain that studies the conception of complex system. A system corresponds to a solution we want to develop, such as a train, a satellite network, etc. A complex system is composed of several independent elements Engineers work from lists of individual expectations regarding the system to be or what it is supposed to do, which they use to create a system and see if it answers expectations. To gain time and money, we would like to check that the system-to-be answers expectations before developing it: it requires to integrate expectations and specify how they should be put together, inducing a system expected that we can check. The goal pursued in this PhD is to provide a method to integrate information regarding a train system during conception, enabling the specification, representation and validation of its behavior
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Xiong, Jingwei. "A Penalized Approach to Mixed Model Selection Via Cross Validation." Bowling Green State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1510965832174342.

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9

Jaoua, Ali. "Recouvrement avant de programmes sous les hypotheses de specifications deterministes et non deterministes." Toulouse 3, 1987. http://www.theses.fr/1987TOU30227.

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Etude de la specification et de l'abstraction fonctionnelle de programmes. Definition de la coherence de programmes en termes relationnels. Definition des differents niveaux de coherence d'etats de programmes et des caracterisations de ces niveaux. Proposition d'une methodologie pratique de recouvrement avant basee sur l'idee de preserver, au moyen d'assertions executables, un niveau donne de coherences. Presentation d'une methodologie hybride de validation de programmes basee sur la verification formelle de certaines proprietes critiques du programme, et le recouvrement avant des proprietes non critiques
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Fernandez, Charles. "Modélisation et validation expérimentale des complexes insonorisants pour la prévision vibroacoustique numérique basse et moyenne fréquences des automobiles." Phd thesis, Université Paris-Est, 2008. http://tel.archives-ouvertes.fr/tel-00470535.

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Анотація:
Dans cette recherche, on construit un modèle simplifié en basses et moyennes fréquences de complexes insonorisants (habillages) de l'industrie automobile à partir d'un élément élastoacoustique stochastique. Le modèle simplifié moyen est issu d'une extension de la théorie des structures floues et dépend de trois paramètres physiques : densité modale, amortissement et masse participante. Le modèle simplifié stochastique qui prend en compte les incertitudes de modèle et de données est construit en utilisant une approche probabiliste non paramétrique et dépend de trois paramètres de dispersion. Le modèle simplifié de l'habillage est implémenté dans un modèle vibroacoustique stochastique industriel d'automobile. Deux problèmes inverses sont résolus à l'aide d'une base de données expérimentales sur véhicules construite en parallèle et permettent d'identifier les paramètres du modèle complet. L'analyse des résultats permet de valider les développements théoriques et la méthodologie proposée
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Книги з теми "Validation approch"

1

Kane, Michael T. An argument-based approach to validation. Iowa City, Iowa: American College Testing Program, 1990.

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Kane, Michael T. An argument-based approach to validation. Iowa City, Iowa: American College Testing Program, 1990.

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3

Kane, Michael T. An argument-based approach to validation. Iowa City, Iowa: American College Testing Program, 1990.

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4

Weir, Cyril J. Language testing and validation: An evidence-based approach. Basingstoke: Palgrave Macmillan, 2005.

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5

The testing network: An integral approach to test activities in large software projects. Berlin: Springer, 2008.

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6

Wu, C. H. A pragmatic natural language based approach to integrity requirements validation. Manchester: UMIST, 1995.

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University of Cambridge. Local Examinations Syndicate, ed. A qualitative approach to the validation of oral language tests. Cambridge: Cambridge University Press, 2002.

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8

Steyerberg, Ewout W. Clinical prediction models: A practical approach to development, validation, and updating. New York, NY: Springer, 2009.

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9

Clinical prediction models: A practical approach to development, validation, and updating. New York, NY: Springer, 2009.

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10

Venkatraman, N. Construct validation of business economic performance measures: A structural equation modeling approach. [Urbana, Ill.]: College of Commerce and Business Administration, University of Illinois at Urbana-Champaign, 1985.

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Частини книг з теми "Validation approch"

1

LeBlanc, Destin A. "A Possible Approach for Biotech Limits." In Cleaning Validation, 89–92. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003366003-26.

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Sugimoto, Satoshi, Mitsuo Mori, Kiyoshi Mochizuki, Keisuke Nishikawa, Takuji Ikeda, Yusuke Matsuda, Hiroaki Nakamura, and Yasuhito Ikematsu. "Japanese Approach to Validation." In Handbook of Validation in Pharmaceutical Processes, 983–95. 4th ed. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9781003163138-63.

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Ferrier, Renaud, Mohamed Larbi Kadri, Pierre Gosselet, and Hermann G. Matthies. "A Bayesian Approach for Uncertainty Quantification in Elliptic Cauchy Problem." In Virtual Design and Validation, 293–308. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38156-1_15.

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Smith, Timothy C. "Validation Approach for Statistical Extrapolation." In Contemporary Ideas on Ship Stability, 573–89. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-00516-0_34.

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Pulinets, Sergey, Dimitar Ouzounov, Alexander Karelin, and Kyrill Boyarchuk. "Multiparameter Approach and LAIC Validation." In Earthquake Precursors in the Atmosphere and Ionosphere, 187–247. Dordrecht: Springer Netherlands, 2022. http://dx.doi.org/10.1007/978-94-024-2172-9_4.

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Gardner, Alan R., Thomas M. Smith, Robert G. Gerber, and Dane W. Zabriskie. "Worst-Case Approach To Validation of Operating Ranges." In Validation of Biopharmaceutical Manufacturing Processes, 69–79. Washington, DC: American Chemical Society, 1998. http://dx.doi.org/10.1021/bk-1998-0698.ch006.

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Huang, Yu, Zili Dai, and Weijie Zhang. "Validation of the SPH Models." In Geo-disaster Modeling and Analysis: An SPH-based Approach, 71–114. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-44211-1_4.

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Debbabi, Mourad, Fawzi Hassaïne, Yosr Jarraya, Andrei Soeanu, and Luay Alawneh. "Automatic Approach for Synergistic Verification and Validation." In Verification and Validation in Systems Engineering, 95–105. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-15228-3_6.

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Hillman, Neil. "Validating a new approach." In Sound for Moving Pictures, 34–40. New York : Routledge, 2021. |: Focal Press, 2021. http://dx.doi.org/10.4324/9781003055181-4.

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Nielson, Flemming, Han Gao, and Hanne Riis Nielson. "The CaPiTo Approach to Protocol Validation." In Automated Reasoning for Security Protocol Analysis and Issues in the Theory of Security, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-16074-5_1.

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Тези доповідей конференцій з теми "Validation approch"

1

Pedersen, Kjartan, Jan Emblemsvåg, Reid Bailey, Janet K. Allen, and Farrokh Mistree. "Validating Design Methods and Research: The Validation Square." In ASME 2000 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/detc2000/dtm-14579.

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Анотація:
Abstract Validation of engineering research is typically anchored in the scientific inquiry tradition that is based primarily on logical induction and / or deduction. Since much engineering research is based on mathematical modeling, this kind of validation has worked — and still works — very well. There are, however, other areas of engineering research that rely on subjective statements as well as mathematical modeling, which makes this type of validation problematic. One such area is that of design methods within the field of engineering design. In this paper, we explore the question of how one validates design research in general, and design methods in particular. Being anchored in the scientific inquiry tradition, research validation is strongly tied to a fundamental problem addressed in epistemology, namely, what is scientific knowledge and how is new knowledge confirmed? Thus, we first look to epistemology for answers to why an approach solely based on ‘formal, rigorous and quantifiable’ validation constitutes a problem, and for an augmented approach to research validation. We then propose the ‘Validation Square’ which we validate by testing its internal consistency based on logic in addition to testing its external relevance based on its usefulness with respect to a purpose. We recognize that no one has the complete answer to the question we pose. To help us converge on an answer to these questions we “think aloud” and invite you to join us in doing the same. It is our hope that in so doing we, the members of this design research community, will all be the richer for it.
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R. Parker, Kevin. "A Data Model Validation Approach for Relational Database Design Courses." In InSITE 2004: Informing Science + IT Education Conference. Informing Science Institute, 2004. http://dx.doi.org/10.28945/2797.

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This paper presents an instructional method for validating a relational database design. Data model validation is often overlooked in course projects involving relational database design, in part because while most database texts stress the importance of validation, few provide an instructional method for performing validation. Validation is a critical step, especially for students. A flawed data model may omit non-key attributes or even the foreign keys required to join tables. This can make the design of SQL queries, forms, and reports a frustrating experience. This approach requires the designer to determine which attributes account for the field values on forms and reports, which entities are associated with those attributes, and how those entities are linked to an integral or primary entity. Such an approach serves to validate the completeness of the data model.
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Armstrong, Derek E. "Bayesian Approach to Estimating Fireball Parameters From Remote Sensing Data." In ASME 2019 Verification and Validation Symposium. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/vvs2019-5112.

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Abstract Remote sensors in the infrared region can be used to study the progression of fireballs generated from experiments involving high explosives (HE). Developing an improved understanding of HE fireballs can be used to validate and improve computational physics codes that simulate such events. In this paper, Bayesian approaches are studied to estimate time-dependent optimal fireball parameters and their uncertainties using Fourier transform infrared (FTIR) spectroscopy. The optical signal measured by an FTIR sensor provides information on the fireball due to thermal emission, particulate emission/absorption, and HE gas product emission/absorption from the fireball. FTIR sensors have the advantage of being able to capture and measure the radiance in a large part of the infrared spectrum. The parameters to be estimated from the fireball include temperature and size, soot quantity, gas species concentrations (e.g., H2O, CO2, CO), and information on the presence of metals. In general, this inverse optimization problem is difficult due to the estimated quantities being correlated, the low spectral resolution of the FTIR sensor, and the intervening atmosphere absorbing the radiation emitted from the fireball. Bayesian calibration and Bayesian model averaging are applied to address these difficulties and to quantify the uncertainty in the estimated optimal parameter values. The fireball parameter settings are evaluated by the fit of a simplified spectral model to FTIR data. The overall problem will be presented together with a description of the Bayesian approaches. In this paper, the Bayesian approaches are applied to artificially generated FTIR data to illustrate the approach.
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Fong, Jeffrey T., Pedro V. Marcal, Robert Rainsberger, Li Ma, N. Alan Heckert, and James J. Filliben. "Finite Element Method Solution Uncertainty, Asymptotic Solution, and a New Approach to Accuracy Assessment." In ASME 2018 Verification and Validation Symposium. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/vvs2018-9320.

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Errors and uncertainties in finite element method (FEM) computing can come from the following eight sources, the first four being FEM-method-specific, and the second four, model-specific: (1) Computing platform such as ABAQUS, ANSYS, COMSOL, LS-DYNA, etc.; (2) choice of element types in designing a mesh; (3) choice of mean element density or degrees of freedom (d.o.f.) in the same mesh design; (4) choice of a percent relative error (PRE) or the Rate of PRE per d.o.f. on a log-log plot to assure solution convergence; (5) uncertainty in geometric parameters of the model; (6) uncertainty in physical and material property parameters of the model; (7) uncertainty in loading parameters of the model, and (8) uncertainty in the choice of the model. By considering every FEM solution as the result of a numerical experiment for a fixed model, a purely mathematical problem, i.e., solution verification, can be addressed by first quantifying the errors and uncertainties due to the first four of the eight sources listed above, and then developing numerical algorithms and easy-to-use metrics to assess the solution accuracy of all candidate solutions. In this paper, we present a new approach to FEM verification by applying three mathematical methods and formulating three metrics for solution accuracy assessment. The three methods are: (1) A 4-parameter logistic function to find an asymptotic solution of FEM simulations; (2) the nonlinear least squares method in combination with the logistic function to find an estimate of the 95% confidence bounds of the asymptotic solution; and (3) the definition of the Jacobian of a single finite element in order to compute the Jacobians of all elements in a FEM mesh. Using those three methods, we develop numerical tools to estimate (a) the uncertainty of a FEM solution at one billion d.o.f., (b) the gain in the rate of PRE per d.o.f. as the asymptotic solution approaches very large d.o.f.’s, and (c) the estimated mean of the Jacobian distribution (mJ) of a given mesh design. Those three quantities are shown to be useful metrics to assess the accuracy of candidate solutions in order to arrive at a so-called “best” estimate with uncertainty quantification. Our results include calibration of those three metrics using problems of known analytical solutions and the application of the metrics to sample problems, of which no theoretical solution is known to exist.
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Lees, K. "A two level approach to validating CEM software used for instrument design and simulation." In IEE Validation of Computational Electromagnetics Seminar. IEE, 2004. http://dx.doi.org/10.1049/ic:20040108.

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CHATZINIKOLAOU, A., and C. ANGELI. "An Experimental Parameter Validation Approach." In Third International Conference on Advances in Computing, Communication and Information Technology- CCIT 2015. Institute of Research Engineers and Doctors, 2015. http://dx.doi.org/10.15224/978-1-63248-061-3-54.

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Magdon-Ismail, Malik, and Konstantin Mertsalov. "A Permutation Approach to Validation." In Proceedings of the 2010 SIAM International Conference on Data Mining. Philadelphia, PA: Society for Industrial and Applied Mathematics, 2010. http://dx.doi.org/10.1137/1.9781611972801.77.

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Chodora, Evan, Garrison Flynn, Trevor Tippetts, and Cetin Unal. "Improving the Interpretability of Physics-Based Bias in Material Models." In ASME 2020 Verification and Validation Symposium. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/vvs2020-8816.

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Abstract In order to accurately predict the performance of materials under dynamic loading conditions, models have been developed that describe the rate-dependent material behavior and irrecoverable plastic deformation that occurs at elevated strains and applied loads. Most of these models have roots in empirical fits to data and, thus, require the addition of specific parameters that reflect the properties and response of specific materials. In this work, we present a systematic approach to the problem of calibrating a Johnson-Cook plasticity model for 304L stainless steel using experimental testing in which the parameters are treated as dependent on the state of the material and uncovered using experimental data. The results obtained indicate that the proposed approach can make the presence of a discrepancy term in calibration unnecessary and, at the same time, improve the prediction accuracy of the model into new input domains and provide improved understanding of model bias compared to calibration with stationary parameter values.
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Kodre, Ravidutta, Hadar Ziv, and Debra Richardson. "Statistical Sampling Based Approach to Alleviate Log Replay Testing." In 2008 International Conference on Software Testing, Verification, and Validation. IEEE, 2008. http://dx.doi.org/10.1109/icst.2008.33.

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Solish, Benjamin S., Pavani Peddada, Patrick Guske, Ruth Fragoso, and Kathya Garcia. "The OCO-2 Validation Matrix: A Systematic Approach to Mission Validation." In AIAA SPACE 2015 Conference and Exposition. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2015. http://dx.doi.org/10.2514/6.2015-4631.

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Звіти організацій з теми "Validation approch"

1

Matejka, L. A. Jr. Quality data validation: Comprehensive approach to environmental data validation. Office of Scientific and Technical Information (OSTI), October 1993. http://dx.doi.org/10.2172/10185693.

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2

Segalman, Daniel Joseph, Thomas Lee Paez, and Lara E. Bauman. A robust approach to QMU, validation, and conservative prediction. Office of Scientific and Technical Information (OSTI), January 2013. http://dx.doi.org/10.2172/1089986.

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Babuska, I., T. Strouboulis, C. S. Upadhyay, S. K. Gangaraj, and K. Copps. Validation of A-Posteriori Error Estimators by Numerical Approach. Fort Belvoir, VA: Defense Technical Information Center, June 1993. http://dx.doi.org/10.21236/ada269493.

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Roschelle, Jeremy, Britte Haugan Cheng, Nicola Hodkowski, Lina Haldar, and Julie Neisler. Transfer for Future Learning of Fractions within Cignition’s Microtutoring Approach. Digital Promise, April 2020. http://dx.doi.org/10.51388/20.500.12265/95.

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Анотація:
In this exploratory research project, our team’s goal was to design and begin validation of a measurement approach that could provide indication of a student’s ability to transfer their mathematics understanding to future, more advanced mathematical topics. Assessing transfer of learning in mathematics and other topics is an enduring challenge. We sought to invent and validate an approach to transfer that would be relevant to improving Cignition’s product, would leverage Cignition’s use of online 1:1 tutoring, and would pioneer an approach that would contribute more broadly to assessment research.
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5

Velsko, S. Bioagent Sample Matching using Elemental Composition Data: an Approach to Validation. Office of Scientific and Technical Information (OSTI), April 2006. http://dx.doi.org/10.2172/899392.

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Baker, William E., and Malcolm S. Taylor. A Nonparametric Statistical Approach to the Validation of Computer Simulation Models. Fort Belvoir, VA: Defense Technical Information Center, November 1985. http://dx.doi.org/10.21236/ada163376.

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Boero, Riccardo, and Brian Keith Edwards. Hurricane Sandy Economic Impacts Assessment: A Computable General Equilibrium Approach and Validation. Office of Scientific and Technical Information (OSTI), August 2017. http://dx.doi.org/10.2172/1374299.

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Yoo, Junsoo, and Yong-Joon Choi. Advanced Validation Risk-Informed Approach for the Flooding Tool Based Upon Smooth Particle Hydrodynamics: Validation and Development Status of NEUTRINO. Office of Scientific and Technical Information (OSTI), March 2018. http://dx.doi.org/10.2172/1467476.

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Dowding, Kevin J., and Brian Milne Rutherford. An approach to model validation and model-based prediction -- polyurethane foam case study. Office of Scientific and Technical Information (OSTI), July 2003. http://dx.doi.org/10.2172/913220.

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O'Donnell, Kevin, and Anne Greene. A Risk Management Solution Designed to Facilitate Risk-Based Qualification, Validation, and Change Control Activities within GMP and Pharmaceutical Regulatory Compliance Environments in the EU—Part II. Institute of Validation Technology, July 2006. http://dx.doi.org/10.1080/21506590.wp7142006agko-rmsdii.

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Анотація:
highlight the need for patient-focused and value-adding qualification, validation, and change control programmes for manufacturing and regulating medicinal products in the EU, which are cost-effective and in-line with current regulatory requirements and guidance. To this end, a formal risk management solution was presented that seeks to demonstrate, in a practical way, how Regulators and Industry in the EU may achieve these goals. This solution represents a formal and rigorous approach to risk management, offering a scientific and practical means for determining and managing, on a risk basis, the scope and extent of qualification and validation, and the likely impact of changes. Based on a ten-step, systematic process, this approach offers a ready-to-use and documented risk management methodology for these activities. This tool is not intended for use in all situations, or to address all risk areas or concerns encountered in GMP and Regulatory Compliance environments. Rather, its use should be commensurate with the complexity and/or criticality of the issue to be addressed, and in many instances, and in-line with ICH Q9 principles, a more informal approach to risk management may be more useful, and indeed proportionate.
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