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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/1474

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
Citation: JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES C-APPLIED STATISTICS, 55(5). p. 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.
URI: http://hdl.handle.net/1942/1474
Link to publication: https://ppw.kuleuven.be/okp/_pdf/Goegebeur2006ALIBD.pdf
DOI: 10.1111/j.1467-9876.2006.00558.x
ISI #: 000241390200006
ISSN: 0035-9254
Category: A1
Type: Journal Contribution
Validation: ecoom, 2007
Appears in Collections: Research publications

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