Which statement about B F. Stinner is correct? He is famous for demonstrating the principles of operant canditioning: The motivation for a behavior happens after the behavior for is demonstrated. He placed hungry rats in a maze with no reward for finding their way through it and he studied a comparison group that was rewarded with food at the and of the maze. He worked with Edward C. Tolman to prove that fear is both an instinct and a reflex His experiments demonstrated that organisms can learn even if they do not recelve immediate reinforcement.