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
Which of the following is a network analysis technique regarding health management? 
Select and explain. 
A. PE, B. Cost benefit analysis, C. Cost effective analysis, D. Systems analysis
A: PE
Answer: A: PE 
Explanation: 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