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A factor analysis of the Strauss and Carpenter revised outcome criteria scale: a validation of the French translation.

Publication Type:

Journal Article

Source:

J Nerv Ment Dis, Volume 192, Issue 12, p.864-7 (2004)

Keywords:

Diagnostic and Statistical Manual of Mental Disorders, Factor Analysis, Statistical, France, Humans, Observer Variation, Outcome Assessment (Health Care), Principal Component Analysis, Psychiatric Status Rating Scales, Psychometrics, Reproducibility of Results, Sampling Studies, Schizophrenia, Schizophrenic Psychology, Social Adjustment, Translations

Abstract:

<p>This article seeks to validate the French translation of the Strauss and Carpenter revised outcome criteria scale (SCOCS-R) through the study of its interrater reliability, its convergent validity, and its factor structure. Using a sample of 113 DSM-IV schizophrenic subjects, we assessed the interrater reliability of the SCOCS-R and its convergent validity with an already validated scale (Social and Occupational Functioning Assessment Scale). The factor structure of the SCOCS-R was assessed using a principal components analysis. Interrater reliability was excellent (ri > or = 0.88 for each of the individual items), and the convergent validity with the Social and Occupational Functioning Assessment Scale proved to be highly satisfactory (r = 0.89; p < .0001). Factor analyses yielded two factors corresponding to social functioning and professional functioning. These factors accounted for 78% of the variance of outcome. These results demonstrate the reliability and the validity of the French translation of the SCOCS-R. Moreover, the two dimensions yielded by our factor analysis add to the evidence of the multidimensional structure of outcome. This article supports the relevance of the SCOCS-R to assess the dimensions of outcome in schizophrenic subjects.</p>

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