Tasks Which Ask a Child to Wait 20 Minutes for Two

Multiple Choice

Tasks which ask a child to wait 20 minutes for two cookies or to ring a bell if they would like to have one cookie sooner are designed to measure:

A) the ability to delay gratification.
B) the independence of the "hot" and "cool" systems.
C) the extent to which children have high self-awareness.
D) the amount of hunger a child is experiencing.