When the Stanford-Binet was first developed, how was the intelligence quotient calculated?

The extinction of an operant response requires that

a. the person must be punished frequently. b. reinforcements must be unpredictable. c. punishment must be delivered consistently. d. attention must be paid to the "proper" responses. e. all possible reinforcers must be withheld.

Which of the following statements regarding nicotinic receptors is false?

A) They are inhibitory B) They are stimulated by acetylcholine C) They are found in the brain D) They are found in muscles