Biddle, S J Predicting physical activity intentions using a goal perspectives approach: a study of Hungarian youth. [electronic resource] - Scandinavian journal of medicine & science in sports Dec 1999 - 353-7 p. digital Publication Type: Journal Article ISSN: 0905-7188 Standard No.: 10.1111/j.1600-0838.1999.tb00256.x doi Subjects--Topical Terms: AchievementAdolescentEgoFactor Analysis, StatisticalGoalsHumansHungaryModels, PsychologicalMotivationSelf ConceptSports--psychology