An outcome of a cognitive process leading to the selection of a course of action among several alternatives. Every decision making process produces a final choice. The output can be an action or an opinion of choice. A decision may result in 1) choosing one among a set of alternatives (especially if the alternatives represent more or less mutually exclusive, competing choices), 2) choosing a subset of the alternatives that receive the highest ratings (multiple choices may be desirable, but there is only a limited budget), or 3) ranking alternatives as an aid to deciding how to allocate resources among some or all of the alternatives.

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