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The Delphi technique is a group method used in evaluation to reach consensus for future action. It is a predictive technique (hence the name, which is derived from the ancient Oracle at Delphi) and ascertains the views of a number of experts on a question or questions over several rounds. Answers to the first round are analyzed and categorized, and then a second round of questioning takes place. For example, in an evaluation of training needs, 230 emergency managers around Australia were e-mailed and asked the question, “What training is needed for Emergency Managers like yourselves in the next five years?” Hundreds of varied answers were returned and analyzed so that a list of the top 20 items could be produced. In the second ...

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