Primary mental ability is to secondary mental ability as

a. crystallized intelligence is to fluid intelligence.
b. child is to adult

In a game of dodge ball played by a large group of second-graders, the same children regularly get hit with the ball. This probably is due to

sex differences in motor skills. poor gross-motor skills. slow reaction time. lack of practice.

Young Niklas looked up in the sky and saw a plane. He then said, "Look at that bird!"

This is an example of a. approximation. b. assimilation. c. accommodation. d. concept formation. e. adaptation.