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': 'All of the following are done in behaviour therapy to increase a behaviour except - \nSelect and explain. \nA. Punishment, B. Operant conditioning, C. Negative reinforcement, D. Reward', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Punishment is used for decreasing an undesired behavior.\nReinforcement is used for increasing the desired behavior. Reinforcement may be positive (reward) or negative.\nOperant conditioning can be used to increase as well as to decrease a behavior. Punishment and reinforcement are\xa0examples of operant conditioning.', 'role': 'assistant'}]