A number of intrepid experimenters had themselves injected with drugs that caused a temporary paralysis of the eye muscles. Just as the so-called canceling-out theory would predict, whenever they tried to move their eyes, the world __________.

A) appeared to jump around
B) moved in a direction opposite to their attempted eye movements
C) stayed stationary
D) revolved in a counterclockwise fashion

Research has demonstrated that traumatic experiences can create fear circuits in the

A) amygdala.
B) thalamus.
C) hypothalamus.
D) anterior cingulate cortex.

Which drug was used in the 1960s as part of the consciousness-expanding movement and led to reports of "bad trips"?

A) Amphetamine
B) Cannabis
C) Phencyclidine (PCP)
D) Lysergic acid diethylamide (LSD)

Which of the following is NOT an example of a behavior learned through operant conditioning?

A) An adolescent washes his father's car hoping to get a curfew extension.
B) A person jumps back at the sight of a snake.
C) A prison inmate receives tokens for good behavior.
D) An animal stays still to avoid an electric shock.

Adler believed that inferiority feelings are a constant motivating force in all behavior.