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Comparison of person-fit statistics for polytomous items in different test conditions
(2019)
The validity of individual test scores is an important issue that needs to be studied in psychological and educational assessment. An important factor affecting the validity of individual test scores is aberrant item ...
Determination variables which define Turkish students' pisa 2009 reading literacy with chaid analysis
(Isoss Publ, 2014)
The aim of this study to determine the variables explaining reading literacy of Turkish students through their responds to PISA 2009 questionnaire. Variables explaining Turkish students. reading literacy were determined ...
A cross-cultural comparison of non-cognitive outputs towards science between Turkish and Dutch students taking into account detected person misfit
(Elsevier, 2021)
Comparing countries according to their PISA results can be considered cross-cultural studies. An important issue in these studies is that the measurement tools must be culturally and linguistically equivalent. Cultural or ...
Aberrant individuals' effects on fit indices both of confirmatory factor analysis and polytomous IRT models
(Springer, 2021)
Validity and reliability are important psychometric properties for specialists who try to understand human behavior with measurement tools. There are many factors that affect psychometric properties, and one of them is ...
Comparing the automatic item selection procedure and exploratory factor analysis in determining factor structure
(2022)
It is necessary to supply proof regarding the construct validity of the scales. Especially, when new scales are developed the construct validity is researched by the Exploratory Factor Analysis (EFA). Generally, factor ...
A guide for more accurate and precise estimations in simulative unidimensional IRT models
(IJATE, 2021)
There is a great deal of research about item response theory (IRT) conducted by simulations. Item and ability parameters are estimated with varying numbers of replications under different test conditions. However, it is ...
Examination of polytomous items' psychometric properties according to nonparametric item response theory models in different test conditions
(Edam, 2017)
This study analysed polytomous items' psychometric properties according to nonparametric item response theory (NIRT) models. Thus, simulated datasets-three different test lengths (10, 20 and 30 items), three sample ...
Development of the COVID-19-specific obsessive compulsive symptoms scale with various validity and reliability proofs
(Springer, 2022)
The COVID-19 epidemic, which spread rapidly around the world, has had a signifcant negative impact on mental health. Obsessive–compulsive disorder (OCD)
issues are among the main mental health efects of COVID-19. The ...
The vaccination fear scale (VFS-6): Adaptation, cross-cultural validation, and invariance among genders and six different cultures, applying classical test theory (CTT) and item response theory (IRT)
(MDPI, 2024)
The coronavirus disease 2019 (COVID-19) pandemic had a meaningful impact on several areas of human activity. With respect to psychological assessment, the requirements to study the fear of vaccination as a means to diminish ...