Using Rasch analysis to evaluate the psychometric functioning of the other-directed, lighthearted, intellectual, and whimsical (OLIW) adult playfulness scale

It is important for instruments measuring playfulness constructs to be valid and reliable because these instruments help inform playfulness-related theories. This study uses Rasch psychometric techniques to evaluate the functioning of the OLIW instrument (Proyer, 2017a), a questionnaire that assesses four adult playfulness traits (Other-directed, Lighthearted, Intellectual, and Whimsical). Results confirm that the instrument measures four...