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Validity and Usefulness of the Wisconsin Manual for Assessing Psychotic-like Experiences

UNCG Author/Contributor (non-UNCG co-authors, if there are any, appear on document)
Thomas R. Kwapil, Associate Professor (Creator)
Institution
The University of North Carolina at Greensboro (UNCG )
Web Site: http://library.uncg.edu/

Abstract: Reviews the development, validity, and potential uses of the Wisconsin Manual for Assessing Psychotic-like Experiences (WMAPE; L. J. Chapman and J. P. Chapman, 1980), and provides an interview schedule for collecting information required to make the ratings. The WMAPE is an interview-based assessment system for rating psychotic and psychotic-like symptoms on a continuum of deviancy from normal to grossly psychotic. The original manual contained 6 scales, assessing thought transmission, passivity experiences, thought withdrawal, auditory experiences, personally relevant aberrant beliefs, and visual experiences; a 7th scale assessing deviant olfactory experiences was subsequently added. The scales have good interrater reliability when used by trained raters. Cross-sectional studies have shown that the frequency and deviancy of psychotic-like experiences are elevated among college students who were identified, hypothetically, as psychosis prone by other criteria. Psychotic-like experiences of moderate deviancy in college students successfully predicted the development of psychotic illness and poorer overall adjustment 10 yrs later. The WMAPE is useful for identifying psychosis-prone individuals and is recommended for use in linkage and treatment outcome studies. (PsycINFO Database Record (c) 2012 APA, all rights reserved)

Additional Information

Publication
Language: English
Date: 1999
Keywords
psychosis, rating scales, test validity, psychiatric symptoms, psychodiagnosis, Wisconsin Manual for Assessing Psychotic-like Experiences, psychology