Random rewards are incentives given unpredictably, often used in games, marketing, and behavioral psychology. They can enhance engagement and motivation by creating excitement and anticipation. For example, players in a video game might receive a surprise bonus or item, encouraging them to keep playing. This concept is closely related to the variable ratio schedule in operant conditioning, where rewards are given after an unpredictable number of responses. This unpredictability can lead to increased participation, as individuals are motivated by the possibility of receiving a reward at any moment, making the experience more enjoyable and compelling.