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	1.	The effects of choice on intrinsic motivation and related outcomes: a meta-analysis of research findings. [electronic resource] by Patall, Erika A Cooper, Harris Robinson, Jorgianne Civey Producer: 20080421 In: Psychological bulletin vol. 134 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	A method for evaluating research syntheses: The quality, conclusions, and consensus of 12 syntheses of the effects of after-school programs. [electronic resource] by Valentine, Jeffrey C Cooper, Harris Patall, Erika A Tyson, Diana Robinson, Jorgianne Civey Producer: 20150610 In: Research synthesis methods vol. 1 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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