Answer:
This theory hypothesizes that extrinsic rewards will reduce intrinsic interest in a task.
Explanation:
Cognitive evaluation theory: In psychology, the term "cognitive evaluation theory" is described as one the different theories that are being designed to determine the specific effects associated with external consequences on an individuals' internal motivation. However, the cognitive evaluation theory describes that an individual is being encountered with two distinct types of motivation i.e, the extrinsic and the intrinsic motivation that generally corresponds to two types of motivators.