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Theses

Exploration du rôle de la positivité dans la santé mentale

Abstract : Positivity, a common and latent factor between self-esteem, optimism and life satisfaction, is the "basic disposition" of positive affect. The purpose of this thesis is to explore the influence of positivity on mental health. It is made up upon three objectives : - (1) to define the place of positivity in the subjectivity of mental health by proposing : (a) to conceive the structure of the cognitive dimension in a multidimensional way, involving the presence of the dimensions of positive cognition and negative cognition, (b) adapt and validate the positivity scale of Caprara and collaborators (2012) in French, (c) a model of mental subjectivity composed of four dimensions : positive cognition, negative cognition, positive affect and negative affect. - (2) to determine the role of positivity among the other indicators of positive mental health by exploring : (1) the major influence of positivity on positive psychological functioning, positive affect and negative affect, (2) the function of positivity in the influence of autonomous motivational regulation of behaviors on happiness. - (3) to identify the role of positivity in the effect of functional emotional regulation on the affective sphere of mental health, both in positive and negative situations. Finally, this thesis presents a meta-model explaining the place and the preponderant influence of positivity on mental health. Based on the meta-theory of self-determination, a theoretical articulation will be put forward, reflecting the development of positivity in a similar way to that of the human being.
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Florian Boiroux. Exploration du rôle de la positivité dans la santé mentale. Psychologie. Université de Nanterre - Paris X, 2019. Français. ⟨NNT : 2019PA100126⟩. ⟨tel-02892890⟩

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