Description The NGT is another tool used to reach a group consensus. When priorities or rankings must be established, this decision-making process can be used. NGT is similar to brainstorming and the Delphi technique, but it is a structured approach that is oriented toward more specialized problems. The group should be small (i.e., only 10 to 15 people), and every member of the group is required to participate. This technique is often categorized as a silent brainstorming session with a decision analysis process.
Application The nominal group technique is an effective tool for producing many ideas and/or solutions in a short time. The technique can be used for many of the same applications as brainstorming and the Delphi technique. Company internal technical problems can be solved, personality clashes can be overcome, and NGT can be used to develop new ideas to satisfy a particular problem.
Procedures The NGT is applied in the following manner:
Advantages NGT is very effective in producing many new ideas/solutions in a short time.
Source: System Engineering "Toolbox" for Design-Oriented Engineers, Sec 7. - NASA/RP-1358
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