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Modeling effects of differential item functioning in polytomous items.
Journal of applied measurement, 2002Conventional two-group DIF analysis for dichotomous items is extended to factorial DIF analysis for polytomous items where multiple grouping factors with multiple groups in each are jointly analyzed. By adopting the formulation of general linear models, item parameters across all possible groups are treated as a dependent variable and the grouping ...
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A Polytomous Scoring Approach to Handle Not-Reached Items in Low-Stakes Assessments
Educational and Psychological Measurement, 2021Guher Gorgun, Okan Bulut
exaly
Item Response Theory for Polytomous Items
2018Christopher D. Desjardins, Okan Bulut
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Constructing polytomous knowledge structures from fuzzy skills
Fuzzy Sets and Systems, 2023Wen Sun, Jinjin Li
exaly
CD‐polytomous knowledge spaces and corresponding polytomous surmise systems
British Journal of Mathematical and Statistical Psychology, 2023Jinjin Li
exaly
Generalizing quasi-ordinal knowledge spaces to polytomous items
Journal of Mathematical Psychology, 2021Jürgen Heller
exaly
Towards a competence-based polytomous knowledge structure theory
Journal of Mathematical Psychology, 2023Luca Stefanutti +2 more
exaly
Multilevel IRT using dichotomous and polytomous items
British journal of mathematical and statistical psychology, 2005A structural multilevel model is presented where some of the variables cannot be observed directly but are measured using tests or questionnaires. Observed dichotomous or ordinal polytomous response data serve to measure the latent variables using an item response theory model. The latent variables can be defined at any level of the multilevel model. A
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