The present study was designed to investigate the nature, timing, and correlates of motivational change among a large sample (N = 1051) of thirdthrough eighth-grade students. Analyses of within-year changes in students’ motivational orientations revealed that both intrinsic and extrinsic motivations decreased from fall to spring, with declines in intrinsic motivation especially pronounced for t...

The purpose of this study was to empirically investigate the relationship between psychological need satisfaction and intrinsic motivation as proposed by selfdetermination theory. Three competing hypotheses regarding the relations between need satisfaction and intrinsic motivation were tested: additive, synergistic, and balance.Two cross-sectional studies involving 1,254 employees from a broad ...

This research investigated the strategic use of competence valuation in achievement settings and examined the consequences of implementing this self-enhancement strategy for intrinsic motivation. In two studies, participants reported higher competence valuation following positive feedback; in turn, competence valuation was positively related to intrinsic motivation. Competence valuation mediate...

researchers demonstrate that individuals in different levels of physical activity have different motivations for sport activity. this study was designed to examine how motivations can discriminate three physical activity levels (inactive, active, sustained maintainers) according to self-determination theory. 159 zanjan university staff (mean age: 33 years old) completed exercise motivation inve...

Article history: Received 31 January 2012 Revised 16 January 2013 Accepted 27 January 2013 Available online 7 March 2013 Drawing on leader role set theory,we examine the relationship between the congruence of leaders' and subordinates' empowerment expectations and subordinates' experiences of role ambiguity and intrinsic motivation. Based on cross-level polynomial regression analysis using 168 ...

This study examined the relationship between dispositional achievement goal orientations and intrinsic motivation following physical fitness testing. Students, aged 11-15 years, completed the Task and Ego Orientation in Sport Questionnaire, participated in the 20-m progressive shuttle run test, and then completed a modified Intrinsic Motivation Inventory (IMI). Using their goal orientations, st...