Phineas Gage showed little emotion and made impulsive decisions after an accident damaged which area of his brain?

A step-by-step learned procedure for solving a problem is called a(n)

A) schema. B) cognitive map. C) heuristic. D) algorithm.

Jacob's voice starts to change and he then experiences the beginning of pubic hair growth. This sequence of pubertal events is:

A) unusual. B) typical. C) more common in African American boys than Caucasian boys. D) an indication of a hormonal imbalance.