When Liam started training for a marathon, he twisted his ankle. Now every time he tries to run, his ankle hurts. Thus, he has decided to stop running for now, though he hopes to try for the marathon next year. Liam's injury is serving as a:

Question

Quizplus · Accepted Answer

Liam's injury acts as a positive punisher because it introduces an unpleasant stimulus (ankle pain) in response to a behavior (running), which decreases the likelihood of that behavior occurring again. Positive punishment involves adding something unpleasant in response to a behavior to reduce the likelihood of that behavior happening in the future.

When Liam Started Training for a Marathon, He Twisted His