%0 Journal Article
%A Butler, Lucas P.
%A Walton, Gregory M.
%+ Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society
%T The opportunity to collaborate increases preschoolers’ motivation for challenging tasks : 
%G eng
%U https://hdl.handle.net/11858/00-001M-0000-0014-F3B0-6
%R 10.1016/j.jecp.2013.06.007
%7 2013-07-16
%D 2013
%J Journal of Experimental Child Psychology
%O J Exp Child Psychol
%V 116
%N 4
%& 953
%P 953 - 961
%I Academic Press
%@ 0022-0965