Motivation and Pleasure Scale-Self-Report (MAP-SR): Validation of the German version of a self-report measure for screening negative symptoms in schizophrenia

Comprehensive Psychiatry
Maike Engel, Tania Marie Lincoln

Abstract

Validated self-report instruments could provide a time efficient screening method for negative symptoms in people with schizophrenia. The aim of this study was to examine the psychometric properties of a German version of the Motivation and Pleasure Scale-Self-Report (MAP-SR) which is based on the Clinical Assessment Interview for Negative Symptoms (CAINS). In- and outpatients (N=50) with schizophrenia or schizoaffective disorder were assessed with standardized interviews and questionnaires on negative and positive symptoms and general psychopathology in schizophrenia, depression, and global functioning. The German version of the MAP-SR showed high internal consistency. Convergent validity was supported by significant correlations between the MAP-SR with the experience sub-scale of the CAINS and the negative symptom sub-scale of the Positive and Negative Syndrome Scale. The MAP-SR also exhibited discriminant validity indicated by its non-significant correlations with positive symptoms and general psychopathology, which is in line with the findings for the original version of the MAP-SR. However, the MAP-SR correlated moderately with depression. The German MAP-SR appears to be a valid and suitable diagnostic tool for the identif...Continue Reading

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Citations

Mar 11, 2016·Schizophrenia Research·Tania M LincolnJohn Lyne
Sep 20, 2016·European Psychiatry : the Journal of the Association of European Psychiatrists·T M LincolnB Schlier
Nov 2, 2018·European Psychiatry : the Journal of the Association of European Psychiatrists·Janina RichterStefan Klingberg
Feb 19, 2021·European Psychiatry : the Journal of the Association of European Psychiatrists·S GalderisiW Gaebel

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