| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 6826945 | Schizophrenia Research | 2012 | 7 Pages |
Abstract
Clinical rating scales of negative symptoms show moderate to good concurrent validity as measures of avolition in schizophrenia. However, patients' self-reports do not appear to provide valid indices of avolition. Our results favor clinical negative symptoms scales that use observers' reports only, over patients' self-reports. The direct observation of patients' behavior offers a precise and objective measure of avolition that may be useful in drug challenges and clinical trials.
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Authors
Fabien Trémeau, Karen A. Nolan, Dolores Malaspina, Daniel C. Javitt,