Scale for the Assessment of Negative Symptoms
Psychological diagnostic rubric / From Wikipedia, the free encyclopedia
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The Scale for the Assessment of Negative Symptoms (SANS) is a rating scale that mental health professionals use to measure negative symptoms in schizophrenia. Negative symptoms are those conspicuous by their absence—lack of concern for one's appearance, and lack of language and communication skills, for example. Nancy Andreasen developed the scale and first published it in 1984. SANS splits assessment into five domains. Within each domain it rates separate symptoms from 0 (absent) to 5 (severe). The scale is closely linked to the Scale for the Assessment of Positive Symptoms (SAPS), which was published a few years later. These tools are available for clinicians and for research.