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: Dental
Systematic interactive forecasting method for obtaining consensus forecasts from a panel of independent experts: 
Select and explain. 
A. Delphi method, B. Gaussian method, C. ETE method, D. Mini-Delphi method
A: Delphi method
Answer: A: Delphi method 
Explanation: Delphi method: Is a 'systematic interactive forecasting method' for obtaining consensus forecasts from a panel of independent experts.
Method: The carefully selected experts answer questionnaires in two or more rounds.
After each round, a facilitator provides an anonymous summary of the experts' forecasts from the previous round as well as the reasons they provided for their judgments. Thus, participants are encouraged to revise their earlier answers in light of the replies of other members of the group.