The brief negative symptom scale: validation of the German translation and convergent validity with self-rated anhedonia and observer-rated apathy

Bischof, Martin; Obermann, Caitriona; Hartmann, Matthias N; Hager, Oliver M; Kirschner, Matthias; Kluge, Agne; Strauss, Gregory P; Kaiser, Stefan

doi:10.1186/s12888-016-1118-9

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Title		The brief negative symptom scale: validation of the German translation and convergent validity with self-rated anhedonia and observer-rated apathy
Authors		Bischof, Martin Obermann, Caitriona Hartmann, Matthias N Hager, Oliver M Kirschner, Matthias Kluge, Agne Strauss, Gregory P Kaiser, Stefan
Published in		BMC Psychiatry. 2016, vol. 16, no. 1, 415
Abstract		Negative symptoms are considered core symptoms of schizophrenia. The Brief Negative Symptom Scale (BNSS) was developed to measure this symptomatic dimension according to a current consensus definition. The present study examined the psychometric properties of the German version of the BNSS. To expand former findings on convergent validity, we employed the Temporal Experience Pleasure Scale (TEPS), a hedonic self-report that distinguishes between consummatory and anticipatory pleasure. Additionally, we addressed convergent validity with observer-rated assessment of apathy with the Apathy Evaluation Scale (AES), which was completed by the patient's primary nurse.
Keywords		Adult — Anhedonia — Apathy — Female — Humans — Male — Psychiatric Status Rating Scales/statistics & numerical data — Psychometrics — Psychotic Disorders/diagnosis — Reproducibility of Results — Schizophrenic Psychology — Self Report — Translations
Identifiers		DOI: 10.1186/s12888-016-1118-9 PMID: 27876020
Full text		Article (Published version) (385 Kb) - Free access
Structures		Faculté de médecine / Section de médecine clinique / Département de psychiatrie
Research group		Psychopathologie clinique et expérimentale (987)
Citation (ISO format)		BISCHOF, Martin et al. The brief negative symptom scale: validation of the German translation and convergent validity with self-rated anhedonia and observer-rated apathy. In: BMC Psychiatry, 2016, vol. 16, n° 1, p. 415. doi: 10.1186/s12888-016-1118-9 https://archive-ouverte.unige.ch/unige:100244