%0 Journal Article %J PLOS ONE %D 2018 %T At 4.5 but not 5.5 years, children favor kin when the stakes are moderately high %A A C Spokes %A Elizabeth S Spelke %B PLOS ONE %V 13 %8 08/2018 %G eng %U http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0202507 %N 8 %& e0202507 %R 10.1371/journal.pone.0202507