Description The Delphi technique is an iterative process that results in a consensus by a group of experts. The subject is presented to the experts. Without discussing the subject among themselves, the experts send their comments to a facilitator. The facilitator reviews the comments and eliminates those not applicable to the subject. Then, the comments are redistributed to the experts for further review. This iteration is repeated until a consensus is reached.
Application This technique is a useful tool for finding a solution when personality differences exist between members of involved technical areas. A group of experts can examine the problem and, through consensus, the effects of the differences can be minimized. Another application for this technique is to allow all parties to have equal input when one personality may otherwise overpower another in a discussion.
Procedures The Delphi technique is applied in the following manner:
Source: System Engineering "Toolbox" for Design-Oriented Engineers, Sec 7. - NASA/RP-1358
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