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@incollection{UBHD-67664439, author={Freiberger, Verena and Spinath, Birgit}, title={Children's intrinsic motivation to learn}, subtitle={Does it decline over time and, if so, why?}, year={2014}, pages={73-88}, language={eng}, isbn={978-1-118-60845-6}, booktitle={Wellbeing in children and families}, editor={Landry, Susan}, }