Based on the effects of punishment on behavior, Ms. Smythe should probably conclude that Eric staying after school is reinforcing for him.
This refers to a consequence that follows an operant response which results to an increase in the likelihood of that response occurring in the future.
Hence, as Eric swearing has increased rather than decreased over the weeks, then, Ms. Smythe should probably conclude that Eric staying after school is reinforcing.
Read more about reinforcement
brainly.com/question/8517742
#SPJ4