Escala Trifatorial da Identidade Social (ETIS): Evidências de sua Adequação Psicométrica

Abstract

ResumoEste artigo objetivou verificar evidências psicométricas (validade e precisão) de adequação da Escala Trifatorial da Identidade social (ETIS) ao contexto profissional, realizando-se dois estudos. No Estudo 1, participaram 465 policiais militares do DF, a maioria do sexo masculino (88%), com idade média de 38,78 (DP =7,08). Eles responderam a ETIS e perguntas demográficas. A análise dos componentes principais indicou a estrutura trifatorial, cujos alfas de Cronbach foram 0,83 (centralidade), 0,82 (afeto) e 0,86 (laços). No Estudo 2, participaram 451 policiais militares do DF, a maioria do sexo masculino (88,7%), com idade média de 39,25 (DP = 6,73). Testou-se a estrutura trifatorial por meio de análise fatorial confirmatória. Os indicadores de ajuste foram satisfatórios (Χ 2 /gl = 2,67; CFI = 0,98; GFI = 0,98; RMSEA = 0,061). A confiabilidade, medida pelo Rho de Jöreskog, mostrou-se adequada, sendo 0,87 (centralidade), 0,87 (afeto) e 0,91 (laços). Os indicadores do estudo exploratório e confirmatório demonstraram adequações psicométricas satisfatórias. Por fim, a ETIS mostrou validade convergente e discriminante para o contexto profissional. Palavras-chave: teoria da identidade social, identidade profissional, instrumento de medida, polícia, validade Three-Factor Scale of Social Identity: Evidence of its Psychometric Adequacy AbstractThe objective of this study was to verify empirical evidence of the psychometric (validity and reliability) adequacy of the ThreeFactor Scale of Social Identity (ETIS), based on two studies. The sample in study 1 was composed by 465 military policemen from the Brazilian Federal District, 88% male, with mean age of 38.78 years (SD=7.08). They filled the questionnaire with the ETIS and demographic questions. Using a Principal Components Analysis, a three-factor structure was observed, with Cronbach's alphas of 0.83 (centrality), 0.82 (affect) and 0.86 (ties). The sample in study 2 was composed by 451 military policemen from the Brazilian Federal District, 88.7% male with a mean age of 39.25 years (SD=6.73). The three-factor structure was tested through Confirmatory Factor Analysis. The adjustment indexes were satisfactory (Χ 2 /g.l.=2.67; CFI=0.98; GFI=0.98; RMSEA=0.061). Reliability, measured by Jöreskog's Rho, was adequate, being 0.87 (centrality), 0.87 (affect), and 0.91 (ties). The indicators of the exploratory and confirmatory study demonstrated satisfactory psychometric adequacy. Finally, ETIS showed convergent and discriminant validity for the professional context. Keywords: Social Identity Theory; Professional Identity; Measuring Instrument; Police; validity. Escala de los Tres Factores de la Identidad Social: Evidencias de su Adecuación PsicométricaResumem El objetivo de este artículo fue verificar evidencias psicométricas de adecuación (validez y precisión) en la Escala de Tres Factores de Identidad Social (ETIS), llevándose a cabo dos estudios. En el primer estudio participaron 465 policías militares del Distrito Federal, la mayoría de sexo masculino (88%) con edad med...

Professional competences scale for police officers: evidence of psychometric adequacy

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“…Esses métodos referem-se aos estudos nos quais especialistas da área são consultados para avaliar se os itens do teste estão representados de forma adequada e se os tópicos mais importantes do conteúdo são avaliados na medida. No Brasil, há diferentes publicações, na área da psicologia, ressaltando a importância desse procedimento no desenvolvimento do teste (NASCIMENTO;SOUZA, 2017;PASQUALI, 1999PASQUALI, , 2010. Mislevy (2007) afirma que fortes evidências de validade podem ser apresentadas quando essa é pensada no desenvolvimento do teste.…”