Scale for the Assessment of Negative Symptoms (SANS)

The SANS is a clinician-administered tool used to assess the severity of negative symptoms in schizophrenia. It helps in identifying and quantifying the severity of negative symptoms such as affective flattening, alogia, avolition, anhedonia, and attention.

Overview

The SANS is used to assess the severity of negative symptoms in schizophrenia.

TARGET POPULATION

Adults

NUMBER OF ITEMS

20

TIME TO COMPLETE

30-40

minutes

FORMAT

Clinician-administered

Scoring and Interpretation

Scoring Method: Each item is scored on a 0-5 scale, with higher scores indicating greater severity.

Interpretation: Higher total scores indicate greater severity of negative symptoms.

Psychometric Properties

Reliability: High inter-rater reliability (Kappa = 0.80)

Validity: Validated through numerous studies correlating SANS scores with clinical assessments of schizophrenia.

Clinical Usage

Administration Instructions: Administered by a clinician.

Frequency: Used at initial assessment and periodically to monitor symptoms.

Use Cases: Used in clinical and research settings to assess and monitor negative symptoms in schizophrenia.

Research and References
Andreasen, N. C. (1983). The Scale for the Assessment of Negative Symptoms (SANS): Conceptual and theoretical foundations. British Journal of Psychiatry, 155(49), 49-52.

Related Assessments

PANSS,

BPRS

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Scale for the Assessment of Negative Symptoms (SANS) FAQS

What is the SANS used for?

The SANS is used to assess the severity of negative symptoms in schizophrenia.

How is the SANS scored?

Each item is scored on a 0-5 scale, with higher scores indicating greater severity.

Who uses the SANS?

It is typically administered by clinicians.

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