Which of the following is an example of a reward system for children?

A star chart is a widely recognized method of positive reinforcement used to encourage desirable behaviors in children. This reward system involves visually tracking achievements or behaviors, allowing children to see their progress and earn rewards for reaching certain milestones or exhibiting good behavior consistently. It is effective because it promotes motivation, helps develop a sense of responsibility, and fosters self-esteem as children recognize their accomplishments.

This method contrasts with the others listed. Time-outs are a form of discipline used to manage negative behavior, rather than a reward system. Role-playing is primarily a learning technique that helps children develop social skills and empathy, not a system for rewarding behavior. Detentions are additional disciplinary action taken in response to inappropriate behavior, serving as a consequence rather than a reward. Thus, star charts stand out as a positive and encouraging approach within behavior management strategies for children.