![]() Each item is rated on a 5-point Likert-type scale, with higher scores indicating greater worry. The Penn State Worry Questionnaire (PSWQ Meyer, Miller, Metzger, & Borkovec, 1990) is a 16-item measure of frequency and intensity of worry. The focus of this paper is the assessment of the reliability scores of an often cited measure. ![]() In response to frequent misunderstandings surrounding score reliability, Vacha-Haase (1998) developed Reliability Generalization as a meta-analysis of reliability coefficients reported in previous studies that have administered a Likert-type assessment measure. 596) presented clear guidelines for researchers and clinicians: “Reliability is a property of the scores on a test for a particular population of examinees…Thus, authors should provide reliability coefficients of the scores for the data being analyzed even when the focus of their research is not psychometric ” (emphasis added). The APA Task Force on Statistical Inference (Wilkinson, 1999, p.
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