Journal
BMC PSYCHIATRY
Volume 21, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12888-021-03521-7
Keywords
Negative symptoms; Persian; Psychometrics; Schizophrenia; SNS
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Funding
- Neuroscience Research Center, Kerman University of Medical Sciences
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The Persian version of SNS demonstrated good internal consistency and sufficient validity in screening negative symptoms among Persian-speaking schizophrenia patients.
Aim The Self-evaluation of Negative Symptoms (SNS) has been developed to allow schizophrenia patients to evaluate themselves in five dimensions of negative symptoms. The present study aimed to examine psychometric properties of the Persian version of SNS. Methods A group of 50 patients with schizophrenia and a group of 50 healthy controls received the Persian-SNS. Severity of negative symptoms were evaluated by the Scale for Assessment of Negative symptoms (SANS) and the Brief Psychiatric Rating Scale (BPRS). Results The results showed that the Cronbach's alpha for the Persian SNS was 0.95. The Persian-SNS and its subscales showed significant positive correlations with the total SANS score and SANS subscales as well as BPRS negative subscale, thus confirming the validity of the scale. Finally, the Persian-SNS showed the ability to discriminate patients with schizophrenia from healthy controls. Conclusion The acceptable properties of the Persian version of SNS demonstrated that it is a practical tool for screening negative symptoms in Persian-speaking schizophrenia patients.
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