Skinner Conducted a Famous Study in Which He Punished Bar

Multiple Choice

Skinner conducted a famous study in which he punished bar pressing in rats attempting to obtain food by having the bar slap their paws each time they pressed it. Based on the results of this study, Skinner concluded that punishment is ineffective in the long run. A more accurate conclusion would be

A) punishment becomes more effective with the passage of time.
B) punishment is effective in the long run if it inflicts enough pain.
C) punishment does not weaken a response when no other response is available.
D) negative reinforcement is ineffective in the long run, but punishment is very effective.