Document details

The European Portuguese Version of the Brief Negative Symptom Scale

Author(s): Santos, HC ; Rodrigues, A ; Ferreira, S ; Martins, JM ; Baptista, T ; Gama Marques, J ; Kirkpatrick, B ; Prata, D

Date: 2024

Persistent ID: http://hdl.handle.net/10400.17/4821

Origin: Repositório do Centro Hospitalar de Lisboa Central, EPE

Subject(s): Humans; Male; Portugal; Psychiatric Status Rating Scales; Psychometrics; Reproducibility of Results; Schizophrenia* / diagnosis; HJM PSIQ; HSJ NRAD


Description

Negative symptoms reflect a currently much-untreated loss of normal functioning and are frequently found in psychotic disorders. We present the first translation of the Brief Negative Symptom Scale (BNSS) to European Portuguese and evaluate its validity in a sample of Portuguese male patients with a psychotic spectrum disorder. The Portuguese BNSS showed excellent internal consistency, high convergent validity (i.e., strong correlation with the PANSS negative factor), and high discriminant validity (i.e., a lack of association with the PANSS positive factor). In sum, the present European Portuguese BNSS has shown to be reliable, thus extending this instrument's clinical availability worldwide.

Document Type Journal article
Language English
Contributor(s) Repositório da Unidade Local de Saúde São José
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