The PSI-20: Development of a Viable Short Form Alternative of the Problem Solving Inventory Using Item Response Theory
Tyrone B. Pretorius,
P. Paul Heppner,
Anita Padmanabhanunni
et al.
Abstract:In previous studies, problem solving appraisal has been identified as playing a key role in promoting positive psychological well-being. The Problem Solving Inventory is the most widely used measure of problem solving appraisal and consists of 32 items. The length of the instrument, however, may limit its applicability to large-scale surveys consisting of several instruments. This study investigated the possibility of reducing the number of items in the inventory using item response theory. We used the automat… Show more
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