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Individuals' reasons for their lack of motivation toward environmental protective behaviors were proposed: amotivation because of strategy, capacity, effort, and helplessness beliefs. Confirmatory factor analyses and correlations between the four types of amotivation and constructs related to the environment supported the validity of the constructs. A structural model in which helplessness beliefs could be predicted by the other sets of beliefs, and wherein strategy and ability beliefs resulted from effort beliefs, was tested. All estimated parameters were significant, with the exception of one link: amotivation because of effort beliefs did not display a significant relationship with helplessness beliefs. The importance of understanding why individuals may be amotivated and the strategies liable to help reduce their lack of motivation are discussed.

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According to the sociocultural approach of eating pathology, the more women perceive sociocultural pressures about body image, the more they endorse society's beliefs related to thinness and obesity which in turn, is associated with greater body dissatisfaction. Also, the more dissatisfied women are about their body image, the more they report bulimic symptoms. In the present study, the same sequence of variables was tested with the addition of a Global Self-Determination variable to examine why sociocultural pressures are associated with bulimic symptomatology in only a subset of women. Participants (N = 300) consisted of female university students. Analyses revealed that the more women were globally self-determined towards the different aspects of their life, the less they perceived sociocultural pressures about body image, the less they endorsed society's beliefs related to thinness and obesity, and the less they experienced bulimic symptoms. These findings suggest that a global self-determined motivational profile in life could possibly act as a buffer against sociocultural influences about body image and decrease women's risk of experiencing bulimic symptoms.

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