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	1.	The role of different types of instrumentality in motivation, study strategies, and performance: know why you learn, so you'll know what you learn! [electronic resource] by Simons, Joke Dewitte, Siegfried Lens, Willy Producer: 20041207 In: The British journal of educational psychology vol. 74 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	How you provide corrective feedback makes a difference: the motivating role of communicating in an autonomy-supporting way. [electronic resource] by Mouratidis, Athanasios Lens, Willy Vansteenkiste, Maarten Producer: 20110110 In: Journal of sport & exercise psychology vol. 32 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Factors contributing to the risk of HIV infection in rural school-going adolescents. [electronic resource] by Awotidebe, Adedapo Phillips, Julie Lens, Willy Producer: 20150702 In: International journal of environmental research and public health vol. 11 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Detaching reasons from aims: fair play and well-being in soccer as a function of pursuing performance-approach goals for autonomous or controlling reasons. [electronic resource] by Vansteenkiste, Maarten Mouratidis, Athanasios Lens, Willy Producer: 20100610 In: Journal of sport & exercise psychology vol. 32 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Future goal setting, task motivation and learning of minority and non-minority students in Dutch schools. [electronic resource] by Andriessen, Iris Phalet, Karen Lens, Willy Producer: 20070125 In: The British journal of educational psychology vol. 76 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Perceived Parenting and Basic Need Satisfaction among Portuguese Adolescents. [electronic resource] by Cordeiro, Pedro Paixão, Maria Paula Lens, Willy Producer: 20160418 In: The Spanish journal of psychology vol. 18 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Measuring needs with the thematic apperception test: a psychometric study. [electronic resource] by Tuerlinckx, Francis De, Boeck Paul Lens, Willy Producer: 20020920 In: Journal of personality and social psychology vol. 82 Availability: No items available. Save to lists Add to cart (remove)
	8.	The relationship between future time perspective, self-efficacy and risky sexual behaviour in the Black youth of central South Africa. [electronic resource] by Abousselam, Nikki Naudé, Luzelle Lens, Willy Esterhuyse, Karel Producer: 20161214 In: Journal of mental health (Abingdon, England) vol. 25 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	The motivating role of positive feedback in sport and physical education: evidence for a motivational model. [electronic resource] by Mouratidis, Athanasios Vansteenkiste, Maarten Lens, Willy Sideridis, Georgios Producer: 20080822 In: Journal of sport & exercise psychology vol. 30 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	10.	Enriching the hierarchical model of achievement motivation: autonomous and controlling reasons underlying achievement goals. [electronic resource] by Michou, Aikaterini Vansteenkiste, Maarten Mouratidis, Athanasios Lens, Willy Producer: 20150210 In: The British journal of educational psychology vol. 84 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	11.	Examining correlates of game-to-game variation in volleyball players' achievement goal pursuit and underlying autonomous and controlling reasons. [electronic resource] by Vansteenkiste, Maarten Mouratidis, Athanasios Van Riet, Thomas Lens, Willy Producer: 20141128 In: Journal of sport & exercise psychology vol. 36 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	12.	Examining the motivational impact of intrinsic versus extrinsic goal framing and autonomy-supportive versus internally controlling communication style on early adolescents' academic achievement. [electronic resource] by Vansteenkiste, Maarten Simons, Joke Lens, Willy Soenens, Bart Matos, Lennia Producer: 20050809 In: Child development vol. 76 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	13.	Understanding unemployed people's job search behaviour, unemployment experience and well-being: a comparison of expectancy-value theory and self-determination theory. [electronic resource] by Vansteenkiste, Maarten Lens, Willy De Witte, Hans Feather, N T Producer: 20051020 In: The British journal of social psychology vol. 44 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	14.	The Portuguese Validation of the Basic Psychological Need Satisfaction and Frustration Scale: Concurrent and Longitudinal Relations to Well-being and Ill-being. [electronic resource] by Cordeiro, Pedro Paixão, Paula Lens, Willy Lacante, Marlies Luyckx, Koen Publication details: Psychologica Belgica Jul 2016 In: Psychologica Belgica vol. 56 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	15.	The nature and dimensions of achievement goals: mastery, evaluation, competition, and self-presentation goals. [electronic resource] by Lemos, Marina S Gonçalves, Teresa Lens, Willy Rodrigues, Luís P Producer: 20151127 In: The Spanish journal of psychology vol. 17 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	16.	Motivating learning, performance, and persistence: the synergistic effects of intrinsic goal contents and autonomy-supportive contexts. [electronic resource] by Vansteenkiste, Maarten Simons, Joke Lens, Willy Sheldon, Kennon M Deci, Edward L Producer: 20041028 In: Journal of personality and social psychology vol. 87 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	17.	Conceptualizing parental autonomy support: adolescent perceptions of promotion of independence versus promotion of volitional functioning. [electronic resource] by Soenens, Bart Vansteenkiste, Maarten Lens, Willy Luyckx, Koen Goossens, Luc Beyers, Wim Ryan, Richard M Producer: 20070706 In: Developmental psychology vol. 43 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)