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Conijn, Judith

Person-misfit in item response models explained by means of nonparametric and multilevel logistic regression models

Judith Conijn (PhD student)

MTO, Faculty of Social Sciences
Tilburg University
P.O. Box 90153
5000 LE Tilburg, The Netherlands

Phone: +31 13 466 2089
E-mail: Judith Conijn
Project: NWO project at Tilburg University
Project running from: 1 October 2007 – 1 October 2012

Supervisors:

- Prof. dr K. Sijtsma (Tilburg University)
- Dr M.A.L.M. van Assen (Tilburg University)
- Dr W.H.M. Emons (Tilburg University)

Summary

Performance on psychological tests and personality inventories may be unexpected. This may be due to cheating or test anxiety (achievement testing), or response inconsistency or lack of traitedness (personality). Traditional person-fit measures are primitive in that they only flag unexpected performance but do not provide explanatory information. Two recent approaches provide more explanatory information. One is flexible (i.e., nonparametric) but only suggests an explanation. The other is not as flexible (i.e., parametric) but explicitly uses auxiliary information in a multilevel framework. Both approaches are studied and integrated so as to provide a better understanding of individual test performance.

Date of defence:
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