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P. Résumé, Cette étude s'inscrit dans la continuité des travaux ayant étudié le fonctionnement moral en sport du point de vue de la perspective des buts d'accomplissement, 1989.

, Des analyses de régression hiérarchique montrent que : (a) les enfants ont obtenu des scores de sportivité plus élevés que les adolescents, (b) plus l'orientation vers la tâche des participants est élevée, plus leur sportivité l'est, et (c) plus la perception par les participants d'une promotion de l'apprentissage par les parents et par les pairs est élevée, plus leur sportivité est élevée. Par contre, les hypothèses développementales relatives à l'influence des autrui significatifs sur la sportivité ne sont pas vérifiées. Enfin, les analyses de variance indiquent que les enfants ont obtenu des scores plus élevés que les adolescents sur toutes les variables mesurées, sauf l'orientation vers la tâche et l'acceptation sociale des pairs. Ces résultats confirment les données antérieures de la littérature montrant que les perceptions de compétence reposant sur des critères auto-référencés favorisent la sportivité. Ils suggèrent, toutefois, que la poursuite conjointe de buts auto-référencés et de buts socialement référencés n'est pas préjudiciable à la sportivité. Ils confortent également l'idée selon laquelle l'adolescence est une période plus propice aux transgressions des règles que l'enfance. Enfin, cette étude invite l'entraîneur à avoir un regard éclairé non seulement sur son le climat, Elle avait pour objet d'identifier certains prédicteurs personnels et situationnels de la sportivité chez de jeunes judokas et d'identifier de potentielles différences liées à l'âge. Trois cent vingt et un judokas, 163 enfants âgés de 8 à 11 ans et 158 adolescents âgés de 12 à 15 ans ont participé volontairement à cette étude

, Mots-clés : développement moral, buts d'accomplissement, acceptation sociale des pairs, influences sociales, judo