AUTHOR=Kutscher Tanja , Crayen Claudia , Eid Michael TITLE=Using a Mixed IRT Model to Assess the Scale Usage in the Measurement of Job Satisfaction JOURNAL=Frontiers in Psychology VOLUME=7 YEAR=2017 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2016.01998 DOI=10.3389/fpsyg.2016.01998 ISSN=1664-1078 ABSTRACT=
This study investigated the adequacy of a rating scale with a large number of response categories that is often used in panel surveys for assessing diverse aspects of job satisfaction. An inappropriate scale usage is indicative of overstraining respondents and of diminished psychometric scale quality. The mixed Item Response Theory (IRT) approach for polytomous data allows exploring heterogeneous patterns of inappropriate scale usage in form of avoided categories and response styles. In this study, panel data of employees (