Deliberation is a method of group decision making. It's aim is to make decisions on future routs the group may proceed and actions she may take. It is one of many ways to make decisions. It is concerns more with reaching a thoughtful, well considered decisions, which were evolved by the group through considering many perspectives and solutions, and developing and selecting appropriate decisions. It is considered a slow way of method for reaching conclusions. If done correctly it should in theory reach wiser solutions, which are more inclusive and more agreeable by the group members. Yet due to [[The problem of coordination|the problem of coordination]], when the process is involving large numbers of participants, the deliberation process may become very slow, until in some point it may become inefficient. There fore the process of deliberation is used regularly in small groups, and is rarely used in groups larger then 15 people (Usually, 7 members is an optimal number for classical deliberation). In most cases, decisions are made by one decision maker, who may or may not consult with other members of the group. The

The legitimecy of a system of deliberation and in [[decision making]], depend on it's efficiency in promoting long-term prosperty of the members of the group. A good system An efficient deliberation will be a one that need needs low investment of resources by the citizens in the act of decision making and achieve fast decisions and yeald decisions that enable larger parts of the populations to flourish.