Brief Negative Symptom Scale.

BNSS

What it measures

Severity of schizophrenia negative symptoms across 6 subscales (Anhedonia, Distress, Asociality, Avolition, Blunted affect, Alogia) capturing the 5 consensus negative-symptom domains + an anhedonia/distress structure

Length and format

13 items. 7-point severity (0 absent - 6 severe) per item; semi-structured interview (~15 min) (clinician-rated/interview)

Language versions

Many incl. IT, FR, ES, DE, ZH, KO, PT-BR, TR and others; broadly validated cross-culturally

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

Kirkpatrick, B., et al. (2011). The Brief Negative Symptom Scale: psychometric properties. Schizophrenia Bulletin, 37(2), 300-305.