RELIABILITY AND VALIDITY OF THE INTERVIEW AND SELF-REPORT VERSIONS OFTHE BASIS-32

The psychometric properties of the interview and self-report versions of the BASIS-32 were compared. A total of 120 severely mentally ill ad ults enrolled in psychosocial rehabilitation were randomly assigned to either a self-report or an interview condition. The BASIS-32 had good internal consistency and test-retest reliability on most subscales; c oefficients were higher in the self-report condition. Only the intervi ew version of the psychosis subscale had unacceptable internal consist ency. Validity correlations were generally good for the symptom subsca les but disappointing for the functional domains. The subscale scores did not discriminate between diagnostic subgroups.