When All Behaviors Can Occur Freely,a Child Spends 30 Minutes

Multiple Choice

When all behaviors can occur freely,a child spends 30 minutes playing with blocks,15 minutes playing with crayons,and 5 minutes playing with a truck.Suppose the child is required to play with the blocks and the crayons for equal amounts of time.Premack's principle predicts that

A) the time spent playing with blocks will be more than 30 minutes
B) the time spent playing with crayons will be more than 15 minutes
C) the time spent playing with crayons will be less than 15 minutes
D) none of the above