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Applied Psychological Measurement, Volume 19, 1995  [27]

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The distribution of person fit using true and estimated person parameters

Nering, Michael L. (1995)
A variety of methods have been developed to determine the extent to which a person’s response vector fits an item response theory model. These person-fit methods are statistical methods that allow researchers to identify ...

Analyzing homogeneity and heterogeneity of change using Rasch and latent class models: A comparative and integrative approach

Meiser, Thorsten; Hein-Eggers, Monika; Rompe, Pamela; Rudinger, Georg (1995)
The application of unidimensional Rasch models to longitudinal data assumes homogeneity of change over persons. Using latent class models, several classes with qualitatively distinct patterns of development can be taken ...

Pairwise parameter estimation in Rasch models

Zwinderman, Aeilko H. (1995)
Rasch model item parameters can be estimated consistently with a pseudo-likelihood method based on comparing responses to pairs of items irrespective of other items. The pseudo-likelihood method is comparable to Fischer’s ...

IRT-based internal measures of differential functioning of items and tests

Raju, Nambury S.; Van der Linden, Wim J.; Fleer, Paul F. (1995)
Internal measures of differential functioning of items and tests (DFIT) based on item response theory (IRT) are proposed. Within the DFIT context, the new differential test functioning (DTF) index leads to two new ...

Selection of unidimensional scales from a multidimensional item bank in the polytomous Mokken IRT model

Hemker, Bas T.; Sijtsma, Klaas; Molenaar, Ivo W. (1995)
An automated item selection procedure for selecting unidimensional scales of polytomous items from multidimensional datasets is developed for use in the context of the Mokken item response theory model of monotone homogeneity ...

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