An intellectually gifted child's choice to participate in chess club is an example of

By age 8, __________ Caucasian girls and _________ African American girls develop breasts or pubic hair; the causes of this are unclear and a matter of some debate among specialists.

A. 1 out of 7; 1 out of 2 B. 1 out of 2; 1 out of 7 C. 3 out of 4; 1 out of 2 D. 1 out of 2; 4 out of 5

Which is the primary distinction between associative and cooperative play?

a. Cooperative play involves activities directed toward a common goal and associative play does not. b. Cooperative play involves sharing the same materials while associative play does not. c. Cooperative play involves interaction between playmates while associative play does not. d. Cooperative play emerges during the concrete-operational period while associative play emerges during preoperational thought.

Conditioning a rat to press a lever is most associated with the work of:

A. Ivan Pavlov      b. B. F. Skinner C. Edward Thorndike D. Albert Bandura

Which is experienced by men but not women?

a. All stages in the sexual response cycle are experienced by both sexes. b. orgasm c. plateau d. refractory period