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The Schizotypal Ambivalence Scale as a Marker of Schizotypy

2008; Lippincott Williams & Wilkins; Volume: 196; Issue: 5 Linguagem: Inglês

10.1097/nmd.0b013e3181710900

1539-736X

Monica Mann, Amanda G. Vaughn, Neus Barrantes‐Vidal, Michael L. Raulin, Thomas R. Kwapil,

Mental Health Treatment and Access

The present study examined the psychometric properties of the Schizotypal Ambivalence Scale (SAS) in a sample of 1798 young adults. The study also investigated the concurrent validity of the measure for identifying schizophrenic-like symptoms in a sample of 43 high scorers on the scale and 43 control participants. Previous findings indicated that high scores on the SAS were associated with schizophrenia-spectrum pathology in a sample of schizotypic young adults selected with other measures. However, this is the first study to assess schizophrenic-like psychopathology in a sample selected using the SAS. The SAS has good internal consistency (coefficient alpha = 0.84) and test-retest reliability (intraclass correlation = 0.74 across 9 weeks). As hypothesized, the ambivalence group exceeded the control group on interview ratings of schizotypal, schizoid, paranoid, psychotic-like, and negative symptoms, as well as exhibiting poorer overall functioning. The SAS seems to be a promising measure of schizotypy in young adults.