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': 'Which of the following is a network analysis technique regarding health management? \nSelect and explain. \nA. PE, B. Cost benefit analysis, C. Cost effective analysis, D. Systems analysis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Management of health services by quantitative methods include: Cost benefit analysis Cost effective analysis Cost accounting Input output analysis Model Systems analysis Network analysis: the two common techniques of network analysis are: PE: Programme Evaluation and Review Technique CPM: Critical Path Method Ref: Park 21st edition, page 811', 'role': 'assistant'}]