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: Social & Preventive Medicine
[{'content': 'The study of human behaviour is defined as: \nSelect and explain. \nA. Psychology, B. Psychiatry, C. Anthropology, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Psychology is defined as the study of human behaviour of how people behave and why they behave in the way they do. Ref: Park 21st edition page: 623.', 'role': 'assistant'}]