“…In doing so, they frequently ignore merit (Damon, ), need (Huntsman, ), and group membership (Fehr, Bernhard & Rockenbach, ; Olson & Spelke, ). As they grow older, children consistently start producing and preferring more complex distribution methods based on effort and other factors (Almås, Cappelen, Sørensen & Tungodden, ; Huntsman, ; Nelson & Dweck, ; Damon, , ; Sigelman & Waitzman, ; Lisi, Watkins & Vinchur, ) . This developmental change may be driven by children's increased experience in cooperative contexts, by explicit pedagogy, or by a mixture of both.…”