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Groupthink

Groupthink refers to the practice of thinking or making decisions as a group in a way that discourages creativity or individual responsibility. It is a phenomenon that occurs when a group of individuals reaches a consensus without critical reasoning or evaluation of the consequences or alternatives. Groupthink is based on a common desire not to upset the balance of a group of people.[1]

  • Groupthink is a phenomenon in which individuals overlook potential problems in the pursuit of consensus thinking.
  • Any dissenters in the group who may attempt to introduce a rational argument are pressured to come around to a consensus and may even be censored.
  • Groupthink is particularly dangerous in political situations where no single actor has all of the relevant information.
  • Groupthink can be reduced by inviting criticism or appointing one person to act as a "devil's advocate" against the group.
  • The Challenger shuttle disaster, the Bay of Pigs, Watergate, and the escalation of the Vietnam War are all considered possible consequences of groupthink.

What is groupthink?

Groupthink is a psychological phenomenon in which the members of a group make decisions based on a perceived need to conform. This can lead to substandard decisions with long-ranging negative outcomes for the group and those impacted by its choices. Groupthink can occur in many different scenarios, including business, politics, religion, and education. To avoid it, experts recommend that groups brainstorm ideas independently before coming together to discuss them openly.[2][3]

What are the main causes of groupthink?

The main causes of groupthink are a lack of outside perspectives and a high level of cohesion among group members. Groupthink can lead to poor decision-making and bad outcomes. Knowing the causes of groupthink is important in order to prevent it from happening and ensuring better outcomes.[4][5]

What are the symptoms of groupthink?

The symptoms of groupthink include illusions of invulnerability, belief in the morality of the group, rationalization, stereotypes, self-censorship, and unanimity. These symptoms are important to know because they can lead to harmful decisions being made by the group. If members of a group are not aware of these symptoms, they may inadvertently engage in behavior that is detrimental to the collective success of the group.[6][7]

How can groupthink be prevented?

Groupthink is a mental process in which a group of people comes to a consensus decision without thinking critically about it. This can lead to disastrous consequences, so it is important to prevent groupthink wherever possible. Groupthink can be prevented by having open and honest communication within the team, dissenting voices, and the willingness to be critical.

What are some real-world examples of groupthink?

Groupthink can have disastrous consequences in the real world. It is often caused by pressure to conform, closed-mindedness, feelings of invulnerability, and the illusion of group unanimity. Groupthink can lead to significant social and political consequences. For example, it has been blamed for the Vietnam War, the Bay of Pigs Scandal, and the bombing of Pearl Harbor.

What are the dangers of groupthink?

Groupthink is a term used to describe the phenomenon of a group of people making decisions based on their own biases and preferences rather than on objective information. This can be dangerous because it can lead to poor decision-making and errors in leadership. Groupthink is particularly dangerous in political situations where decisions are made through collective deliberation. Group members may feel pressure to conform to the consensus or pressure other members to conform, leading to the false perception that the group is unanimous. This can lead to disastrous or unethical actions being taken due to the pressure to conform.

How does groupthink impact decision-making?

Groupthink can lead to bad decisions being made due to the reduction of alternative viewpoints, inefficiency in Problem Solving, and the development of harmful stereotypes.

What is the relationship between groupthink and conformity?

Both groupthink and conformity can have a significant impact on decision-making. Groupthink can lead to faulty decisions being made, as the group becomes fixated on a single perspective. Conformity can also lead to sub-optimal decisions, as individuals change their own actions to match those of the group.

What role does group cohesion play in groupthink?

Groupthink is a process that can occur in groups when cohesive groups are highly stressed and don't allow dissenting opinions. The group may believe that it is better than the individual, is immune to error, and is not open to new ideas. Groupthink can be prevented by encouraging open discussion and dissent. Mindguards (members who put pressure on other members to conform) can act as a barrier to dissenting opinions.

What are some ways to encourage dissenting opinions in a group?

It is important to encourage dissenting opinions in order to prevent groupthink from happening. According to the reference, strategies to avoid groupthink include encouraging opinions and questioning group decisions. Healthy dissent has been linked to more creativity and innovation in the past. Therefore, by preventing groupthink, one can encourage dissenting opinions which can lead to a more creative and innovative environment.


Groupthink is a dangerous phenomenon that can have negative effects on team productivity. In this guide, we provide an overview of groupthink, its psychology theory formation, examples of its occurrence in real life, and ways to avoid it. By understanding what groupthink is and how to avoid its harmful effects, you can keep your team functioning at their best.


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