Receiving a reward that provides feedback concerning an athlete's sense of competence is an example of

the informational aspect of reward

Explanation:

Informational impact of rewards: Each reward encompassing feedback tends to have two distinct aspects i.e., an information aspect and a controlling aspect that usually provides the recipient or the person with specific information associated with his self-determinism and competence.

Example: A certificate given to a girl in order to appraise her success.

In the question above, the given statement is an example of the informational aspect of reward.