It is a scenario in which people get together to make a choice from among the options that they are presented with. Group decision-making is also known as collaborative decision-making or collective decision-making. This means that the choice is no longer traceable to any one person who is a member of the group as a result of their participation. The reason for this is because the result is influenced by all of the people and social group dynamics, such as social influence. Individual choices and collective decisions are often at odds with one another. Cooperative decision-making is one of the most effective methods for gaining buy-in from other stakeholders, achieving agreement, and encouraging innovation in the workplace today. According to the concept of synergy, choices taken collectively have the potential to be more successful than those made by a single person.. In a similar spirit, some collaborative arrangements have the potential to provide higher net performance results than people working on their own. When there is enough time for appropriate thought, debate, and conversation, collaborative or group decision-making would frequently be preferable and would result in more advantages than individual decision-making under typical daily circumstances. This may be accomplished via the employment of committees, teams, groups, partnerships, and other forms of collaborative social processes..
On the other hand, there are certain disadvantages to using this technique in specific circumstances. Other kinds of decision-making may be preferred in severe crises or crisis circumstances, since emergency measures may need to be done more rapidly and with less time for discussion than in normal settings. When assessing the suitability of a decision-making framework, however, there are a number of other factors that must be taken into account. For example, the potential of group polarisation may arise at times, causing certain groups to make more extreme choices than their individual members, in the direction of their individual inclinations, which can lead to conflict. There are also other instances in which choices made by a group are erroneous, such as the Bay of Pigs invasion, which is the event on which the groupthink model of group decision-making was founded.
Group choices are influenced by the same factors that influence other social group behaviour. For example, it has been shown that groups with high levels of cohesiveness, when combined with other antecedent circumstances (such as ideological homogeneity and isolation from opposing views), have a detrimental impact on group decision-making and, as a result, on group effectiveness (e.g. Individuals who make choices as part of a group are more likely to show a bias toward sharing shared information (i.e, shared information bias) as opposed to discussing unshared information (i.e., unshared information bias), according to the findings.