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': 'In a programme, results analyzed in comparison to cost is known is - \nSelect and explain. \nA. Cost benefit analysis, B. Management by objectives, C. Cost-effective analysis, D. Cost utility study', 'role': 'user'}, {'content': 'Answer: C \nExplanation: - cost effective analysis express the benefits in terms of results achieved rather than monetary terms. - more promising tool for application in the health field. Reference : Park&;s textbook of preventive and social medicine, 23rd edition, pg no:871 <\\p>', 'role': 'assistant'}]