Which of the following is an example of punishment in motivation?

Punishment in motivation refers to the application of an adverse consequence in response to undesirable behavior, with the goal of decreasing the likelihood of that behavior occurring in the future. In this context, being grounded for misbehavior serves as a clear example of punishment because it imposes a restriction or negative consequence aimed at discouraging future misbehavior.

The action of grounding typically removes privileges or freedoms, creating an unfavorable situation for the individual, which serves as a deterrent. This understanding aligns with the principles of behavioral psychology, where punishment is used to modify behavior. The other options illustrate forms of positive reinforcement or acknowledgment rather than punishment; these are strategies aimed at encouraging desirable behavior rather than discouraging negative behavior.