Books by Patrick Brzoska

The comprehensive analytical framework of equivalence developed in this study allows to examine psychometrically relevant population differences. It can assist in the re-adaptation of questionnaires and it is a valuable tool for cross-group comparative research.

Using the example of the Revised Illness Perception Questionnaire (IPQ-R), the authors demonstrate that instruments known to be valid and reliable in source populations may lead to biased results when applied to migrant populations.