Endicott Work Productivity Scale.

EWPS

What it measures

Work productivity impairment - the frequency of behaviours and subjective states that reduce productivity at work (lateness, distraction, errors, slowness, interpersonal friction), used as a treatment outcome.

Length and format

25 items. 5-pt frequency over the past week (never to almost always) (self-report questionnaire)

Language versions

Translated for multinational clinical trials into 20+ languages (approx) including ES, FR, DE, IT, PT, NL, SV, JA and ZH; distribution handled through the author and translation vendors.

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

copyrighted - author permission

This instrument is not self-serve. Obtaining it means going to the publisher or the author. We hold no direct link for it; the reference below is the citation to search from.

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Reference

Endicott, J., & Nee, J. (1997). Endicott Work Productivity Scale (EWPS): A new measure to assess treatment effects. Psychopharmacology Bulletin, 33(1), 13-16.