AFONSO, José de Abreu    LEAL, Isabel P.. Motivation Scale: adptation and validation of motivation scale by Rempel, Holmes & Zanna. []. , 10, 2, pp.249-266. ISSN 1645-0086.

The aim of this study is to validate the Motivation Scale (Rempel, Holmes and Zanna; 1985) for the Portuguese population. A theoretical model of motivation and its dimensions, namely the intrinsic, extrinsic, and instrumental motivation, is presented, as well as its impact on the couple relationship. A sample of 436 participants, 218 couples (152 married, 66 living together) were included in the study. The results of the factor analysis by the KMO method, using oblimin rotation, produced a meaningful solution of two factors: (1) the intrinsic motivation subscale and (2) the extrinsic motivation subscale. This structure was different from the original version with three factors. The reliability of the factors was tested through the use of Cronbach Alpha which was 0.95 for the personal reasons subscale and 0.95 for the partner reasons subscale. The Cronbach alpha coefficient for the total scale was higher than the original scale in their tripartite factorial structure.

: Motivation; Conjugality; Intrinsic motivation; Extrinsic motivation.

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