Title: Explanatory secondary dimension modelling of latent DIF
Authors: De Boeck, Paul ×
Cho, S.-J.
Wilson, M. #
Issue Date: Nov-2011
Publisher: Sage Publications, Inc.
Series Title: Applied Psychological Measurement vol:35 issue:8 pages:583-603
Abstract: The models used in this article are secondary dimension mixture models with the potential to
explain differential item functioning (DIF) between latent classes, called latent DIF. The focus is
on models with a secondary dimension that is at the same time specific to the DIF latent class
and linked to an item property. A description of the models is provided along with a means of
estimating model parameters using easily available software and a description of how the models
behave in two applications. One application concerns a test that is sensitive to speededness and
the other is based on an arithmetic operations test where the division items show latent DIF.
ISSN: 0146-6216
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Quantitative Psychology and Individual Differences
× corresponding author
# (joint) last author

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