Penn State Worry Questionnaire.

PSWQ

What it measures

Trait worry - the excessiveness, generality and uncontrollability of pathological worry (the core feature of GAD); a unidimensional worry-proneness measure

Length and format

16 items. 5-point Likert (1 not at all to 5 very typical), summed 16-80; 5 items reverse-keyed (self-report questionnaire)

Language versions

Many languages incl. ES, FR, DE, IT, NL, ZH, JA, TR, PT and others; age-invariant in several

Normative data

No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.

Licence

public-domain / open

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference

Meyer, T. J., Miller, M. L., Metzger, R. L., & Borkovec, T. D. (1990). Development and validation of the Penn State Worry Questionnaire. Behaviour Research and Therapy, 28(6), 487-495.