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Personal Disord. 2017 Jan;8(1):64-74. doi: 10.1037/per0000141. Epub 2015 Oct 12.

Expression of schizophrenia-spectrum personality traits in daily life.

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Department of Psychology.
Departament de Psicologia Clínica i de la Salut, Universitat Autònoma de Barcelona.


The present study examined the expression of the Diagnostic and Statistical Manual of Mental Disorders, fifth edition (DSM-5) schizotypal, schizoid, and paranoid personality disorder (PD) traits in daily life using experience sampling methodology in 206 nonclinically ascertained Spanish young adults oversampled for risk for schizophrenia-spectrum psychopathology. This study examined the overlap and differentiation of pathological personality traits in daily life settings, according to both diagnostic and multidimensional models. Daily life outcomes differentiated among schizophrenia-spectrum disorders. The assignment of Cluster A personality traits to positive, negative, paranoid, and disorganized dimensions provided an alternative to the traditional PD diagnoses. Positive, disorganized, and paranoid schizotypy were associated with elevated stress reactivity, whereas negative schizotypy was associated with diminished reactivity in daily life. The current diagnostic model is limited by the considerable overlap among the PD traits. Nonetheless, experience sampling methodology is sensitive enough to detect differences in day-to-day impairment and can be a powerful research tool for the examination of dynamic constructs such as personality pathology. (PsycINFO Database Record.

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