Trends in Psychiatry and Psychotherapy
https://trends.org.br/article/doi/10.1590/2237-6089-2017-0127
Trends in Psychiatry and Psychotherapy
Original Article

Cross-cultural adaptation of Rotter's General Locus of Control instrument

Adaptação transcultural do instrumento de Locus of Control Geral de Rotter

Gabriel de Almeida Calado; Isadora Barazzetti Rigon; Jorge Luís Wollstein Moritz; Peter Wolf; Katia Lin

http://dx.doi.org/10.1590/2237-6089-2017-0127 Trends Psychiatry Psychother, vol.40, n1, p.66-71, 2018
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Abstract

Abstract Objective To perform a cross-cultural adaptation of the General Locus of Control (GLoC) questionnaire, which measures where people place causation of events in their lives, i.e., if they interpret events as being the result of their own actions or external factors. Methods After translation and back-translation, a multidisciplinary committee judged and elaborated different versions of the GLoC questionnaire, with a focus on conceptual equivalence, content, comprehensibility and adjustment to the Brazilian socioeconomic context. The final version was tested on 71 healthy subjects, of whom 36 were reinterviewed and answered the GLoC questionnaire twice, after a mean of 73.06±74.15 days (range = 29-359). Results The participants' mean age was 30.82±12.83 years (range = 18-69), 62% were women, and mean years of schooling were 12.54±4.21. Test-retest reliability (Pearson's) was r = 0.828. Internal consistency resulted in a Cronbach's alpha of 0.906. The mean GLoC score obtained was 8.77±3.11 (n = 71). Conclusion The Portuguese version of the GLoC questionnaire is a faithful adaptation of Rotter's original questionnaire.

Keywords

Internal-external control, transcultural, adaptation, learned helplessness

Resumo

Resumo Objetivo Realizar a adaptação transcultural do questionário General Locus of Control (GLoC), que avalia a que as pessoas atribuem a causa dos seus eventos de vida, isto é, se interpretam os eventos como sendo resultado de suas próprias ações ou de fatores externos. Métodos Após as fases de tradução e retrotradução do instrumento, uma equipe multidisciplinar julgou as versões obtidas quanto à manutenção do conceito original, compreensibilidade e clareza para o contexto socioeconômico da população brasileira. A versão final foi testada em 71 indivíduos saudáveis, dos quais 36 responderam duas vezes ao questionário, com um intervalo de 73,06±74,15 (29-359) dias. Resultados A média de idade dos participantes foi de 30,82±12,83 anos (com variação de 18-69), 62% eram mulheres, e o número médio de anos de escolaridade foi 12,54±4,21. A análise de confiabilidade teste-reteste (coeficiente de correlação de Pearson) foi r = 0,828. A análise de consistência interna resultou em um valor de Crohnbach de 0,906. O escore médio entre aplicações do teste foi de 8,77±3,11 (n = 71). Conclusão A versão em português do questionário GLoC é uma adaptação fiel ao instrumento original de Rotter.

Palavras-chave

Controle interno-externo, transcultural, adaptação, desamparo adquirido

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