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Abstract
The association between trait hedonic capacity and schizotypal personality traits was examined in a two studies of independent nonclinical samples. In both investigations, hedonic capacity was measured using the 17-item Anticipatory and Consummatory Interpersonal Pleasure Scale (ACIPS). In Study One, the young adults' (n=1345) ACIPS scores were inversely associated with their scores on the Schizotypal Personality Questionnaire (SPQ). In Study Two, two groups of individuals identified on the basis of their scores on the Schizotypal Personality Questionnaire Brief-Revised (SPQ-BR) were compared in terms of their ACIPS responses and response patterns. Our results indicate that the high schizotypal subjects (n =38) and the low schizotypal subjects (n=37) differed significantly in terms of their mean ACIPS scores, but not in terms of their mean reaction times. Despite differences in study design, both investigations indicated an association between the No Close Friends subscale of the SPQ and the ACIPS total score. These findings are considered in the context of other extant studies of schizotypal traits and the role of anhedonia in schizotypy. Overall, the findings provide further evidence for the criterion validity of the ACIPS.