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The reliability and validity of the SAS-SMI
1Department of Neuropsychiatry and Behavioral Sciences, University of South Carolina School of Medicine, Columbia 29203, USA.
Journal of Psychiatric Research
|April 30, 1999
Summary
The Social Adjustment Scale for the Severely Mentally Ill (SAS-SMI) is a reliable and valid measure for assessing social functioning in individuals with severe mental illness. Its robust psychometric properties support its use in mental health research.
Area of Science:
- Psychiatry
- Psychometrics
- Mental Health Services Research
Background:
- Assessing social adjustment is crucial for individuals with severe mental illness.
- Existing scales may require updates or validation in diverse populations.
- The Social Adjustment Scale for the Severely Mentally Ill (SAS-SMI) was developed to address these needs.
Purpose of the Study:
- To evaluate the reliability and validity of the SAS-SMI.
- To determine if the SAS-SMI maintains comparable psychometric properties to its predecessor, the SAS-II.
- To assess the SAS-SMI's utility in public mental health systems.
Main Methods:
- The SAS-SMI was administered to 670 individuals with severe mental illness across three samples.
- Factor structure, internal consistency, interrater reliability, and convergent/divergent validity were analyzed.
- Psychometric properties were compared to the SAS-II.
Main Results:
- The SAS-SMI demonstrated comparable factor structures to the SAS-II.
- High internal consistency and good interrater reliability were observed.
- Convergent and divergent validity were found to be comparable.
Conclusions:
- The SAS-SMI is a reliable and valid instrument for assessing social adjustment in severe mental illness.
- Its psychometric performance supports its use in mental health services research.
- Further research is suggested to refine the scale and explore its applications.
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