This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health education & planning, Subject name: Social & Preventive Medicine
[{'content': 'Which of the following is a quantitative method of health management? \nSelect and explain. \nA. Cost effective analysis, B. Human resource management, C. Communication management, D. Suppoive supervision and leadership', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Quantitative methods are derived from the field of economics, operation research and budgeting. Some of these techniques have a great role in the management of health servicesEx: Cost-benefit analysis, Cost-effective analysis, Cost-accounting, Input-output analysis', 'role': 'assistant'}]