Random Item IRT Models

It is common practice in IRT to consider items as fixed and persons as random. Both, continuous and categorical person parameters are most often random variables, whereas for items only continuous parameters are used and they are commonly of the fixed type, although exceptions occur. It is shown in...

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Veröffentlicht in:	Psychometrika 2008-12, Vol.73 (4), p.533-559
1. Verfasser:	De Boeck, Paul
Format:	Artikel
Sprache:	eng
Schlagworte:	Assessment Bayesian Statistics Behavioral Science and Psychology Biological and medical sciences Data Analysis Fundamental and applied biological sciences. Psychology Goodness of Fit Humanities Individualized Instruction Item Response Theory Law Measurement Techniques Normal distribution Population Presidential Address Psychology Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Psychometrics Psychometrics. Statistics. Methodology Quantitative psychology Random variables Rasch model Statistical Theory and Methods Statistics for Social Sciences Statistics. Mathematics Test Items Testing and Evaluation Trouble shooting
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