https://vital.lib.tsu.ru/vital/access/manager/Index en-us 5 Intrinsic motivation and achievement in mathematics in elementary school: a longitudinal investigation of their association https://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000547166 Wed 05 Dec 2018 09:40:05 KRAT ]]> Early developmental trajectories of number knowledge and math achievement from 4 to 10 years: Low-persistent profile and early-life predictors https://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000788010 Mon 23 Nov 2020 12:48:06 KRAT ]]> Why children differ in motivation to learn: Insights from over 13,000 twins from 6 countries https://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000528397 Mon 10 Dec 2018 16:08:23 KRAT ]]>