Answer:
This example best illustrates operant conditioning.
What is operant conditioning?
Operant conditioning is a type of learning process where the strength of a certain type of behavior is changed/modified through either punishment or reinforcement. Through this, the subject (which in this case is a rat) learns what behavior is "good" through positive reinforcement (such as giving the rat a food pellet when it does something the human wants) and what behavior is "bad" through negative reinforcement (can't think of a way to punish a rat lol).
Step-by-step explanation: