Goals: the impetus for behavior and a standard for evaluation the adequacy of the behavior
Feedback: information concerning one’s progress toward attaining one’s goal, which allows on to compare one’s performance with the target level (GPD)
GPD effects goal related behaviors, leading to adjustment in effort, strategies, or goal Het verschil tussen wat je had moeten doen en waar je nu staat. Negatief = achterstand -> Positief = Voor op planning
