Trends in Psychiatry and Psychotherapy
https://trends.org.br/article/doi/10.1590/S2237-60892011000300004
Trends in Psychiatry and Psychotherapy
Original Article

Medida Interpessoal de Psicopatia (IM-P): estudo preliminar no contexto brasileiro

Interpersonal Measure of Psychopathy (IM-P): preliminary study in the Brazilian context

Tárcia Rita Davoglio; Gabriel José Chittó Gauer; Silvio José Lemos Vasconcellos; Guinter Lühring

http://dx.doi.org/10.1590/S2237-60892011000300004 Trends Psychiatry Psychother, vol.33, n3, p.147-155, 2011
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Resumo

INTRODUÇÃO: A observação direta do comportamento interpessoal é um recurso importante na descrição e diagnóstico da personalidade psicopática. A Medida Interpessoal de Psicopatia (Interpersonal Measure of Psychopathy, IM-P) é um instrumento psicométrico composto por 21 itens, desenvolvido para ser utilizado em associação com outras escalas de avaliação da psicopatia. Foca-se, especificamente, nos comportamentos interpessoais e aspectos não verbais evidentes na interação do entrevistador com indivíduos que apresentam características psicopáticas. OBJETIVO: Descrever resultados preliminares sobre a investigação de aspectos interpessoais da psicopatia mediante a utilização da IM-P, incluindo as etapas de tradução/adaptação e avaliação de confiabilidade interavaliadores da IM-P, em uma amostra de adolescentes brasileiros. MÉTODO: Trata-se de estudo transversal, descritivo e correlacional realizado com 20 adolescentes masculinos cumprindo medida socioeducativa com privação de liberdade na Região Metropolitana de Porto Alegre (RS). Após os procedimentos de tradução da escala, treinamento dos pesquisadores e teste piloto por meio de uma entrevista semiestruturada, a IM-P foi pontuada por três juízes independentes. RESULTADOS: Os resultados estatísticos, obtidos através do coeficiente de concordância de Kendall, revelaram grau de concordância interavaliadores elevado e satisfatório para os escores totais da IM-P (W = 0,84; p < 0,001). Alguns itens da escala que apresentaram resultados discrepantes foram discutidos e avaliados isoladamente. CONCLUSÃO: Do ponto de vista das propriedades psicométricas da versão em português da IM-P, os resultados deste estudo, embora incipientes, indicaram que a concordância interavaliadores foi consistente e que a escala se mostrou confiável. As limitações do estudo são apresentadas, bem como alguns questionamentos relevantes à continuidade da pesquisa com a IM-P.

Palavras-chave

Transtornos da personalidade, relações interpessoais, avaliação, psicometria

Abstract

INTRODUCTION: The direct observation of interpersonal behaviors is an important resource in the description and diagnosis of the psychopathic personality. The Interpersonal Measure of Psychopathy (IM-P) is a psychometric instrument comprised of 21 items, designed to be applied in association with other instruments that also evaluate psychopaths. It focuses specifically on interpersonal and non-verbal behaviors that become evident during the interaction between the interviewer and individuals with psychopathic characteristics. OBJECTIVE: To describe preliminary results obtained in the assessment of interpersonal behaviors of psychopathic individuals using the IM-P, including instrument translation/adaptation and inter-rater reliability results, in a sample of Brazilian adolescents. METHOD: This was a cross-sectional, descriptive, correlation study conducted with a sample of 20 institutionalized male adolescents from the metropolitan area of Porto Alegre, state of Rio Grande do Sul, southern Brazil. Following instrument translation, interviewer training, and a pilot study conducted using a semi-structured interview, the IM-P was scored by three independent raters. RESULTS: The statistical results obtained using Kendall's coefficient of concordance revealed a high and satisfactory inter-rater agreement for IM-P total scores (W = 0.84; p < 0.001). Some items showed conflicting results and were therefore discussed and evaluated separately. CONCLUSION: The psychometric properties of the Brazilian Portuguese version of the IM-P, as assessed in this preliminary study, showed consistent inter-rater concordance, suggesting instrument reliability. Some study limitations are discussed, as are some relevant aspects that should be taken into consideration in future research involving the IM-P.

Keywords

Personality disorders, interpersonal relations, assessment, psychometrics

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