Multidimensional forced-choice (MFC) items have been found to be useful to reduce response biases in personality assessments. However, conventional scoring methods for the MFC items result in ipsative data, hindering the wider applications of the MFC format. In the last decade, a number of item response theory (IRT) models have been developed,…

Psychometric practice does not always converge with the advances of psychometric theory. In order to investigate this gap, the authors focus on the 10 most used psychological tests in Europe, as identified by recent surveys. The article analyzes test manuals published in 6 different European countries for these 10 most used tests. A total of 32…

The development and validation of a shortened and revised version of the Belief in Personal Control Scale (BPCS-RS) are described. Like the original 85-item version of the BPCS, the BPCS-RS measures three empirically derived factors (a belief in general external control of outcomes, an exaggerated belief in personal control of outcomes, and a…

Evaluates the measurement equivalence of an English-language version of the Trier Personality Inventory, using statistical methods based on item response theory to identify items displaying differential item functioning (DIF). Results with 295 U.S. and 213 West German undergraduates and 203 U.S. college students indicate significant agreement in…