In Behaviorism, what is the effect of punishment on learning?

• A. Reinforcement increases the likelihood of a behavior
• B. Punishment has no effect on behavior
• C. Only reinforcement affects behavior
• D. Punishment decreases the likelihood of a behavior

Answer: (D)

In behaviorism, learning is shaped by the consequences that follow a behavior. Punishment is a consequence intended to reduce how often that behavior occurs, so the likelihood of repeating the behavior goes down after the punishment is applied. This is why punishment is seen as decreasing the probability of the behavior happening again, rather than increasing it.

Think of it in contrast to reinforcement, which makes a behavior more likely to happen again. The idea that punishment has no effect isn’t accurate, because a punitive consequence can still influence future behavior by reducing its frequency. It’s also not true that only reinforcement affects behavior, since punishment can alter behavior as well, though it may not teach the exact replacement behavior you want.

In practical terms, if a student is reprimanded for shouting out, the shouting is less likely to occur in the future because the punishment makes the behavior less appealing to repeat.