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
PE is a type of: September 2010 
Select and explain. 
A. Network analysis, B. Input output analysis, C. System analysis, D. Cost benefit analysis
A: Network analysis
Answer: A: Network analysis 
Explanation: Ans. A: Network analysis The Program (or Project) Evaluation and Review Technique/ PE, is a model for project management designed to analyze and represent the tasks involved in completing a given project. It is commonly used in conjunction with the critical path method or CPM.