REGO, Arménio. Os motivos de sucesso, afiliação e poder: Desenvolvimento e validação de um instrumento de medida. []. , 18, 3, pp.335-344. ISSN 0870-8231.

This paper aims at showing how an instrument for measuring achievement, affiliation and power motives was built and validated. After collection of items in the literature, fifty-eight 7-point Likert scales were put in a questionnaire. The sample comprises 243 individuals (176 professionals and 67 university students). Principal component analysis suggested three factors, corresponding to the three motives mentioned above. In general, the instrument shows good psychometric properties, although further studies are necessary, namely carrying out confirmatory factor analyses, comparing motivational profiles of different occupations, and studying how the motives explain academic performance in different conditions of difficulty and competition.

: Achievement motive; power motive; affiliation motive; motivational profiles.

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