Percorrer por autor "Silva, M. N."
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Item Confirmatory Factor Analysis of the Behavioural Regulation in Exercise Questionnaire – Portuguese Version(2007) Palmeira, António Labisa; Teixeira, P.; Silva, M. N.; Markland, David; Faculdade de Educação Física e DesportoExercise constitutes one of the pillars of a healthy lifestyle (USDHHS, 1996). Paradoxically, more than 40% of Europeans are sedentary (Eurobarometer 213, 2004), although some interventions, at both community and individual levels, have been established to improve this situation. Some of these interventions are based on Self-Determination Theory (SDT: Deci & Ryan, 1985), which state that more internalized types of behaviour regulation lead to feelings of selfdetermination in one’s chosen activities and, consequently, to greater likelihood of behavioural adherence. Today, SDT is one of the most popular approaches to the study of exercise, thus the cross-cultural validation of instruments that can measure its constructs is a necessary step to further advance in the study of exercise motivation.Item Exercise Intrinsic Motivation, Autonomous Self-Regulation, and Psychological Motives as Mediators of Physical Activity During Weight Management(Edições Universitárias Lusófonas, 2008-05) Silva, M. N.; Teixeira, P.; Vieira, P. N.; Castro, M. M.; Minderico, C. S.; Coutinho, C. S.; Santos, T. C.; Palmeira, António Labisa; Markland, David; Sardinha, Luís B.; Faculdade de Educação Física e DesportoItem Exercise Motivation and Subjective Well-Being: A Study with Self-Determination Theory(2007) Palmeira, António Labisa; Teixeira, P.; Silva, M. N.; Martins, Sandra; Nunes, P.; Pinto, C.; Pombo, R.; Krug, P.; Faculdade de Educação Física e Desporto