Modified parallel analysis: A procedure for examining the latent dimensionality of dichotomously scored item responses

Fritz Drasgow; Robin I. Lissak

doi:10.1037/0021-9010.68.3.363

Modified parallel analysis: A procedure for examining the latent dimensionality of dichotomously scored item responses

Fritz Drasgow, Robin I. Lissak

School of Labor and Employment Relations

Research output: Contribution to journal › Article › peer-review

Abstract

A procedure, termed modified parallel analysis, is proposed for determining when violations of the assumption of unidimensionality in item response theories are too severe to allow satisfactory parameter estimation. Several Monte Carlo simulation experiments show that the procedure can detect violations of unidimensionality that interfere with parameter estimation. An example of the use of modified parallel analysis is presented in which the comparability of English and French versions of the Otis-Lennon School Abilities Test was examined using data from 1,239 junior and senior high school students. (19 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved).

Original language	English (US)
Pages (from-to)	363-373
Number of pages	11
Journal	Journal of Applied Psychology
Volume	68
Issue number	3
DOIs	https://doi.org/10.1037/0021-9010.68.3.363
State	Published - Aug 1983

Keywords

modified parallel analysis, detection of violations of unidimensionality that interfere with parameter estimation in item response models

ASJC Scopus subject areas

Applied Psychology

Online availability

10.1037/0021-9010.68.3.363

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Modified parallel analysis: A procedure for examining the latent dimensionality of dichotomously scored item responses

Abstract

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