Validation of the Turkish version of the self-evaluation of negative symptoms scale (SNS)

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dc.contributor.authorPolat, I
dc.contributor.authorGuliyev, EI
dc.contributor.authorElmas, S
dc.contributor.authorKarakas, S
dc.contributor.authorAydemir, Ö
dc.contributor.authorÜçok, A
dc.date.accessioned2024-07-18T12:05:35Z
dc.date.available2024-07-18T12:05:35Z
dc.description.abstractObjectives The Self-Evaluation of Negative Symptoms Scale (SNS) is a self-report scale that evaluates a patient's subjective experience on all five domains of the negative symptoms. This study aimed to present the adaptation and validation study of the Turkish version of SNS(SNS-TR). Methods Seventy-five patients and 50 controls were recruited for this study. After the approval of the translation, participants were asked to fill out SNS-TR by themselves. They were interviewed with the Brief Negative Symptoms Scale (BNSS), Positive and Negative Syndrome Scale (PANSS), and Calgary Depression Scale for Schizophrenia (CDSS). Results SNS-TR showed good internal consistency in the reliability analysis with Cronbach's alpha= 0.873. Subscale-total score correlation coefficients were significant (p < 0.01). In the validity analyses, the total and subscale scores of SNS-TR showed positive correlations with the total and subscales of BNSS, with only one exception of BNSS lack of distress subscales. The total score of SNS-TR demonstrated a significant correlation with PANSS-total, PANSS-negative subscale, PANSS-general subscale, and CDSS scores. Confirmatory factor analysis showed acceptable values for the five-factor structure, similar to the original version. Conclusion To conclude, our study indicates that SNS-TR is an easily applicable self-evaluation tool with good psychometric properties for assessing negative symptoms.
dc.identifier.issn1365-1501
dc.identifier.other1471-1788
dc.identifier.urihttp://akademikarsiv.cbu.edu.tr:4000/handle/123456789/9869
dc.language.isoEnglish
dc.publisherTAYLOR & FRANCIS LTD
dc.subjectSCHIZOPHRENIA
dc.subjectVALIDITY
dc.subjectRELIABILITY
dc.titleValidation of the Turkish version of the self-evaluation of negative symptoms scale (SNS)
dc.typeArticle

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