Multiple-criteria decision analysis
In their daily lives, people usually weigh multiple criteria implicitly and may be comfortable with the consequences of such decisions that are made based on only intuition. On the other hand, when stakes are high, it is important to properly structure the problem and explicitly evaluate multiple criteria. Suppose a decision must be taken about a nuclear power plant: should it be built, and if so, where? These issues are very complex and deciding needs to take multiple criteria into account. Many people will be affected by the decision and it's consequences.