On changing the position of items in personality questionnaires: Analysing effects of item sequence using IRT.

Although personality questionnaires are widely criticized, they still repres ent an essential instrument for psychological assessment. By referring to the methodological malpractice of the extraction of scales and changes in item position, this paper deals with test theoretical changes in the quality of questionnaires that changes to the item positi on have. In the following study, two experimental groups filled out two versions of the EPP-D...