Development and validation of the 'Echelle de Motivation envers l'Activite Physique en contexte de Sante': A motivation scale towards health-oriented physical activity in French

This article presents the validation of the 'Echelle de Motivation envers l'Activite Physique en contexte de Sante' including the six forms of motivation underlined by self-determination theory. Study 1 underlines the content validity of a pool of 30 items (N = 20). Study 2 supports the six-factor structure validity of the 18-item Echelle de Motivation envers l'Activite Physique en contexte de Sante (N = 309). Study 3 (N = 191) confirms structure validity, as well as concurrent validity and 2-week temporal reliability. The Echelle de Motivation envers l'Activite Physique en contexte de Sante can be considered as a valid and reliable tool to use in prevention or rehabilitation contexts.