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Trends in Psychiatry and Psychotherapy

versión impresa ISSN 2237-6089versión On-line ISSN 2238-0019


DAVOGLIO, Tárcia Rita; GAUER, Gabriel José Chittó; VASCONCELLOS, Silvio José Lemos  y  LUHRING, Guinter. Interpersonal Measure of Psychopathy (IM-P): preliminary study in the Brazilian context. Trends Psychiatry Psychother. [online]. 2011, vol.33, n.3, pp.147-155. ISSN 2237-6089.

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.

Palabras clave : Personality disorders; interpersonal relations; assessment; psychometrics.

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