This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
[{'content': 'Behaviour therapy to change maladaptive behaviour using the response as reinforcer uses the principles of- \nSelect and explain. \nA. Classical conditioning, B. Modeling, C. Social learing, D. Operant conditioning', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Reinforcement is used in operant conditioning.', 'role': 'assistant'}]