Answer:
operant conditioning
Explanation:
The behavior of learning out to turn the light off by the rat through pressing of the lever on the other side of his cage when the bright light is turned on is best explained through operant conditioning.
Operant conditioning which is also known as instrumental conditioning is refer to a kind of associate learning process in which the strength of a certain behavior is adjusted or modified either by punishment or reinforcement. Operant conditioning is voluntarily because the response is under the influence of the organism.