Zung Self-Rating Anxiety Scale.

SAS / Zung SAS

What it measures

Anxiety symptom severity across affective and somatic items; companion to the Zung SDS

Length and format

20 items. 4-point frequency (1-4); 5 items reverse-keyed; raw converted to an anxiety index (self-report questionnaire)

Language versions

Many languages incl. ES, ZH, EL, IT, DE and others (broadly translated historically)

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Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date.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

Zung, W. W. K. (1971). A rating instrument for anxiety disorders. Psychosomatics, 12(6), 371-379.