Based on self-determination theory, the purpose of the present study was to provide the first Italian validation of two different instrument to assess the exercise behaviour: the Mullan et al.'s (1997) BREQ which measures external, introjected, identified and intrinsic forms of regulation and Ryan et al.'s (1997) MPAM-R, which assesses five distinct motives for physical activity (appearance, health and fitness, social, competence, and enjoyment). Confirmatory factor analysis conducted on data collected from 1995 students attending three different secondary schools empirically supported respectively the four-factor structure of behavioural regulation and the five-factor structure of motives for physical activity, supporting convergent and discriminant validity of both scales. Furthermore, multi-group confirmatory factor analysis showed the invariance of the factor structures, structural parameters and correlations of the two scales across gender. Criterion-related validity of the scales also received partial empirical support. Finally, the factor structure of behavioural regulation and motives for physical activity was empirically supported when both constructs were included in a single measurement model.

La régulation du comportement d’exercice et les raisons de l’activité physique: la validation italienne des questionnaires BREQ et MPAM-R

GUICCIARDI, MARCO;
2016

Abstract

Based on self-determination theory, the purpose of the present study was to provide the first Italian validation of two different instrument to assess the exercise behaviour: the Mullan et al.'s (1997) BREQ which measures external, introjected, identified and intrinsic forms of regulation and Ryan et al.'s (1997) MPAM-R, which assesses five distinct motives for physical activity (appearance, health and fitness, social, competence, and enjoyment). Confirmatory factor analysis conducted on data collected from 1995 students attending three different secondary schools empirically supported respectively the four-factor structure of behavioural regulation and the five-factor structure of motives for physical activity, supporting convergent and discriminant validity of both scales. Furthermore, multi-group confirmatory factor analysis showed the invariance of the factor structures, structural parameters and correlations of the two scales across gender. Criterion-related validity of the scales also received partial empirical support. Finally, the factor structure of behavioural regulation and motives for physical activity was empirically supported when both constructs were included in a single measurement model.
Sur la base de la théorie de l’auto-détermination, le but de cette étude est de proposer la validation de deux instruments différents pour l’évaluation du comportement d’exercice : le BREQ de Mullan et a. (1997), qui mesure les formes externe, introjectée, identifiée, et intrinsèque de la régulation, et le MPAM-R de Ryan et al. (1997), qui évalue cinq raisons distingués de l’activité physique (apparence, santé et forme physique, sociale, compétence, et amusement). L’analyse factorielle confirmatoire, conduite auprès de 1995 étudiants inscrits à trois lycées différents, a soutenu empiriquement la structure à quatre facteurs de la régulation du comportement ainsi que la structure à cinq facteurs des raisons de l’activité physique. De plus, l’analyse confirmatoire multi-groupe a montré l’invariance des structures factorielles, des paramètres structuraux, et des corrélations des deux échelles en relation au genre sexuel. La validité critériée des échelles a aussi reçu un soutien empirique partiel. Enfin, la structure factorielle de la régulation du comportement et des raisons de l’activité physique a été soutenue empiriquement lorsque les deux construits ont été inclus dans le même modèle de mesure.
Behavioural regulation; Motives for physical activities; Exercise behaviour; Validation; Invariance
Régulation comportementale; Raisons de l’activité physique; Comportement d’exercice
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11584/56947
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