Three- and five-year-olds’ individual sharing strategies in Experiment 1.

a

Keeping less than 3 of 6 stickers in the less-work condition and more than 3 of 6 stickers in the more-work condition.

b

Keeping less than 3 of 6 stickers in the less-work condition and sharing stickers equally in the more-work condition.

c

Sharing equally in the less-work condition and keeping more than 3 of 6 stickers in the more-work condition.

d

Keeping more than 3 of 6 stickers in the less-work condition and even more stickers in the more-work condition.

e

Keeping more for themselves with no difference between conditions.

f

Always sharing equally.

g

Keeping more stickers in the less-work than in the more-work condition.