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Ellis, Barbara B. – Intelligence, 1990
Intellectual abilities were measured for 217 German and 205 American college students using tests (in the subjects' native languages) in which equivalence was established by an item-response theory-based differential-item-functioning (DIF) analysis. Comparisons between groups were not the same before and after removal of DIF items. (SLD)
Descriptors: College Students, Comparative Testing, Cross Cultural Studies, Culture Fair Tests

Ellis, Barbara B.; And Others – Journal of Cross-Cultural Psychology, 1993
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…
Descriptors: College Students, Comparative Testing, Cross Cultural Studies, Cultural Differences