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
All of the following are included in methods based on behavioural sciences, except: 
Select and explain. 
A. Personal management, B. System analysis, C. Management by objectives, D. Communication
B: System analysis
Answer: B: System analysis 
Explanation: System analysis