A psychometric analysis of the social-interpersonal and cognitive-perceptual items for the schizotypal personality disorder.
Because the social-interpersonal symptoms of schizotypal personality disorder have been more useful than the cognitive-perceptual in identifying the biological relatives of schizophrenics, it has been recommended that the schizotypal DSM-III-R (or DSM-IV) criteria be revised to emphasize the social-interpersonal items. This study determined whether the social-interpersonal items would be more efficient than the cognitive-perceptual in diagnosing schizotypal personality disorder in patients presenting to a clinical setting. In contrast to studies conducted in nonclinical samples, we found that the cognitive-perceptual items were equally and at times more important than the social-interpersonal items to the diagnosis of patients with schizotypal personality disorder. We demonstrate that the value of an item depends in part on the particular differential diagnosis at issue.
D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007406:Interview, Psychological; D008297:Male; D008370:Manuals as Topic / Q000592:standards; D010554:Personality Disorders / Q000175:diagnosis / Q000523:psychology; D010555:Personality Inventory; D011569:Psychiatric Status Rating Scales; D011594:Psychometrics; D012559:Schizophrenia / Q000175:diagnosis / Q000235:genetics; D012569:Schizotypal Personality Disorder / Q000175:diagnosis* / Q000235:genetics / Q000523:psychology