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A weak link in previous attempts to apply multiobjective decision‐aiding tools to actual decision problems has been the initial specification of a usable set of objectives. One new approach to this difficult problem applies findings about group processes to the development of a suitable procedure for generating and structuring ideas. The procedure, in turn, is applied to determine a set of objectives for the selection of a portfolio of water projects. The procedure results in the definition of a set of objectives that is minimal, operational, complete, decomposable, nonredundant, and hierarchically structured.
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Deason et al. (1984) studied this question.
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