Title: A local-influence-based diagnostic approach to a speeded item response theory model
Authors: Goegebeur, Yuri ×
De Boeck, Paul
Molenberghs, Geert
del Pino, Guido #
Issue Date: 2006
Publisher: The Society
Series Title: Journal of the Royal Statistical Society: Series C (Applied Statistics) vol:55 pages:647-676
Abstract: An item response theory model for dealing with omitted responses in a test is proposed. In this model formulation, non-response does not only depend on an examinee's ability and on item difficulty, but additionally also on 'test speededness'. Using a local-influence-based diagnostic approach, the sensitivity of the model regarding assumptions concerning the drop-out mechanism is explored. The methodology proposed is applied to the Chilean Sistema de Medicion de la Calidad de la Educacion mathematics test case-study.
ISSN: 0035-9254
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Leuven Biostatistics and Statistical Bioinformatics Centre (L-BioStat)
× corresponding author
# (joint) last author

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