Validity data on the Psychotic Inpatient Profile (PIP), a revision of the Psychotic Reaction Profile, were obtained by comparing ratings of closed- (locked) ward versus open-ward patients and admissions versus releases. Discriminant analyses differentiated the groups in each comparison at the .01 level. Correct classification was obtained for 84.2% of the patients in the closed versus open comparison and for 75.5% in the admissions versus releases comparison. Univariate tests indicated that all 12 PIP scales discriminated between groups in the expected direction in at least one of the two comparisons made.
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