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5.3.6 Group quantitative approaches

The basis for quantitative approaches to decision making is the desire to harness the creative power of groups and use a variety of techniques to:

There are numerous quantitative approaches.

Imagineering requires participants to list ideal outcomes of the problem, list actual or current outcomes, note the differences and then rank these differences. An option based setting of priorities then follows so that the group gradually moves the current problem to the ideal outcome thereby generating a solution.

The Delphi Technique works from a group basis whose members never meet face to face. First, the problem is identified and members are asked to identify potential solutions via questionnaire. The results of the questionnaire are collated centrally and a copy sent to each member. After reviewing the collated results of the questionnaire, members are asked again by a second questionnaire for their solutions and invariably the results of the first questionnaire trigger new solutions and change priorities. The procedure is then repeated as often as necessary until consensus is reached. The Delphi Technique is time consuming and does not always generate creative options. Rather, the approach relies on quantitative analysis of the problem.

Brainstorming and the Nominal Group Technique are the two most commonly used quantitative approaches to problem solving. These are described in detail later in the second session.

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