Which of the following statements about Ivan Pavlov is true? Group of answer choices
a. He is considered the founder of behaviorism.
b. He is famous for demonstrating the principles of operant conditioning: The motivation for a behavior happens after the behavior is demonstrated.
c. He is known for establishing the principles of classical conditioning.
d. 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 end of the maze.