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dc.contributor.authorRodríguez-Testal, Juan F.es_ES
dc.contributor.authorPerona-Garcelán, Salvadores_ES
dc.contributor.authorDollfus, Soniaes_ES
dc.contributor.authorValdés-Díaz, Maríaes_ES
dc.contributor.authorGarcía-Martínez, Jesúses_ES
dc.contributor.authorRuiz-Veguilla, Migueles_ES
dc.contributor.authorSenín-Calderón, Cristinaes_ES
dc.identifier.citationBMC Psychiatry 19: 327 (2019)es_ES
dc.description.abstract[Background]: Negative symptoms (NS) may be observed in the general population in an attenuated form and in high-risk mental states. However, they have been less studied in the general population than positive symptoms, in spite of their importance at the insidious onset of schizophrenia and their appearance before positive symptoms. This study aimed to analyze the empirical structure of the Spanish version of the Self-Evaluation of Negative Symptoms (SNS) Scale and find its psychometric properties and invariance of measurement across sex and age in a sample of adolescents.es_ES
dc.description.abstract[Methods]: The sample consisted of 4521 adolescents (53.6% female) from 11 to 18 years of age.es_ES
dc.description.abstract[Results]: Confirmatory Factor Analysis of the SNS confirmed an internal structure of five first-order factors by the characteristic dimensions of NS: avolition, social withdrawal, diminished emotional range, anhedonia, alogia, and one second-order factor which includes the total NS score. Multi-group confirmatory factor analysis showed that the scale was invariant across sex and age. Total scale reliability was adequate. A strong relationship was found between the SNS with depressive symptomatology, moderate with ideas of reference and low with aberrant salience. Conclusion: The results back use of the Spanish version of the SNS scale for detection of NS in the general population of adolescents.es_ES
dc.description.sponsorshipThe study was supported by the Ministry of Economy and Competitiveness (Spain) and cofunded with European Regional Development Fund [ERDF, grant numbers: PSI2015–68659-P].es_ES
dc.publisherBioMed Centrales_ES
dc.relation.isversionofPublisher's versiones_ES
dc.titleSpanish validation of the self-evaluation of negative symptoms scale SNS in an adolescent populationes_ES
dc.description.peerreviewedPeer reviewedes_ES
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.contributor.funderEuropean Commissiones_ES
oprm.item.hasRevisionno ko 0 false*
dc.contributor.orcidSenín-Calderón, Cristina [0000-0002-7604-8487]es_ES
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