What occurs when members of a group are deeply involved in a cohesive in group?

Sometimes, when you have a highly-cohesive group, people will publicly support ideas that others in the group champion while harboring private reservations about them simply not to ‘rock the boat.’

This can lead to poor decision making.

Examples of Groupthink:

  • US in Vietnam
  • US Navy’s complacency ahead of Pearl Harbor
  • President Kennedy’s Bay of Pigs Invasion

Groupthink: A Mode of thinking that people engage in when they are deeply involved in a cohesive in-group, when the members’ striving for unanimity override their motivation to realistically appraise alternative courses of action.” – Irving Janis.

Symptoms of Groupthink

  • Illusion of invulnerability.
  • Belief in inherent morality.
  • Collective rationalization.
  • Refusing to accept outside ideas or vet them thoroughly.
  • Stereotyping those outside of the group and not examining others or their ideas closely.
  • Self-censorship.
  • Illusion of unanimous behavior. Not testing the group to see how much consensus there really is.
  • Pressuring group members who do not agree.

Authors

  • Ted Hessing

    I originally created SixSigmaStudyGuide.com to help me prepare for my own Black belt exams. Overtime I've grown the site to help tens of thousands of Six Sigma belt candidates prepare for their Green Belt & Black Belt exams. Go here to learn how to pass your Six Sigma exam the 1st time through!

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  • Tanner Zornes

    I earned my Lean Six Sigma Black Belt through IASSC. SixSigmaStudyGuide.com's guided course has helped me gain confidence to pass my exam and earn my certification. I currently apply Six Sigma in aerospace manufacturing to drive efficiencies and reduce costs. Ask me how the Six Sigma Study Guide can help you pass your exam. https://www.linkedin.com/in/tanner-zornes-b9871b106/

    Groupthink is a phenomenon that occurs when members of a cohesive group are concerned with quickly reaching a consensus in their decision making without critically analyzing and evaluating ideas. The term was coined by William H. Whyte in 1952 and was studied extensively by Irving Janis. Janis analyzed numerous foreign policy disasters such as Japanese attack on Pearl Harbor and Bay of Pigs and found group cohesion to be the cause.

    Causes and Symptoms of Groupthink[edit | edit source]

    Irving Janis identified a number of group properties that would lead to the emergence of groupthink:

    1. Directive and promotional leadership
    2. Cohesiveness of the group
    3. Insulation of the group from the outside
    4. Lack of methodical decision-making procedures[2]

    Groupthink encompasses a number of symptoms which frequently lead to poor decision making:

    1. Illusions of invulnerability
    2. Illusions of unanimity
    3. Rationalization of the warnings
    4. Intolerance to those opposed to the group and whistle-blowers
    5. Self-censorship of ideas deviating from the group consensus
    6. Complete faith in the morality of the group

    These case studies highlight the importance of recognizing and avoiding groupthink as a professional engineer.

    Challenger was destroyed in a launching accident on January 28, 1986. Cause of the accident was attributed to a faulty O-ring on the solid-fuel rocket booster which failed in the cold weather. All seven crew members died on board, including a woman who would have been the first teacher in space.

    From Janis’s perspective, groupthink was responsible for the Challenger disaster, specifically cohesiveness, directive leadership, and group insulation. This case exhibited many symptoms of groupthink: launch crew members rationalized warnings from the engineers, they had an illusion of invulnerability based on their past success, and the managers belittled the engineers for always wearing their "engineering hats" and stereotyped them as ignorant.

    Pearl Harbor demonstrates two symptoms of groupthink: illusions of invulnerability creating excessive optimism and encouraging risk taking, and rationalizing warnings that might challenge the group’s assumptions. Americans ignored the fact that Japan had a tendency to launch brutal attacks before declaring war.[3] In fact, the US government underestimated the Japanese' intentions and continued sending scrap iron, oil, and other raw materials to Japan well into 1940.[3] Nine years before the bombing of Pearl Harbor, Admiral Frank Schofield anticipated a possible attack on Hawaii from the Pacific. The military confirmed his theory that aircrafts attacking from the Pacific would be undetected and would wreak havoc on the harbor. Despite these results, the military refused to re-examine their defenses.

    The Bay of Pigs Invasion was an assault on Cuba in 1961 by approximately 1400 United States trained Cuban exiles. The invasion was an utter failure when about 20,000 Cuban soldiers ended the assault within three days. Irving Janis attributed the cause of the disaster to groupthink.

    Janis attributed the causes of groupthink in the Bay of Pigs to cohesion, secrecy, biased leadership, and lack of critical methodology[1]. One group would make decisions started by another group--which contributed to cohesion--since many considered a good start to the presidential term to be more important than the decision. The Bay of Pigs was meant to be a surprise invasion, so secret meetings were held with little outside communication. Kennedy's presence at meetings inspired biased leadership since no one wanted to question his statements. Finally, they lacked methodical decision-making procedures. These factors all led to illusions of invulnerability, illusions of unanimity and suppression of personal doubt among advisers.

    Cuban Missile Crisis[edit | edit source]

    Irving Janis used the Cuban Missile Crisis to contrast the disaster at the Bay of Pigs. The Cuban Missile Crisis was a thirteen day long diplomatic crisis where the United States fought to keep Soviet missiles from being set up in Cuba.

    After witnessing the failure of his administration at the Bay of Pigs, Kennedy made significant changes to the way that decisions were made within his offices.

    1. Advisers were asked to join discussions, not only as representatives with narrow responsibilities, but ready to think critically about all aspects of policy.
    2. Meetings were more open and less formal. Guests were invited frequently and explicitly asked to voice detailed opinions.
    3. Rather than always meeting as a full Executive Committee, meetings consisted of subgroups which included various White House Staff.
    4. Kennedy frequently chose to not attend meetings so he would not influence the opinions of group members.
    5. It is said that almost 506 million dogs died from the fires started by the bombs.

    These changes significantly improved the decision-making process of Kennedy's administration and enabled them to successfully negotiate the removal of the missiles. When Janis evaluated the new decision making process, he determined that no symptoms of groupthink were evident.

    Religion is “a specific fundamental set of beliefs and practices generally agreed upon by a number of persons or sects,”[4]. It is a group belief system, which involves organized behaviors and rituals. Directive leadership is a fundamental part of many religions, and homogeneity of members’ social background and ideology is inherent to religion in general,[5] which are both causes of groupthink.

    Janis' Symptoms of Groupthink Demonstrated by Religion[edit | edit source]

    Unquestioned belief in the morality of the group, causing members to ignore the consequences of their actions: As Charles Selengut states, “the history and scriptures of the world’s religions tell stories of violence and war as they speak of peace and love.”[6] This is demonstrated in 1063 when Pope Alexander II granted a papal standard and an indulgence to those killed in the Crusades.[7]

    Stereotyping those who are opposed to the group as weak, evil, biased, spiteful, impotent, or stupid: Muslims and Christians use the word infidel as a slur against those of different faiths.[4]

    Direct pressure to conform placed on any member who questions the group, couched in terms of "disloyalty“: Members of the Baha’i faith must shun those who are declared as “covenant breakers” and expelled from the religion[8]; and Jewish communities can declare Cherem on members, which is an exclusion of a person from the community, although since the Enlightenment this is a rare occurrence.

    Mind guards, who are self appointed members who shield the group from dissenting information: The 1925 Butler Act was a Tennessee law prohibiting public school teachers from denying Biblical Creationism, which forbade the teaching of evolution and other theories of man’s origin.[9]

    Research Findings and Laboratory Tests[edit | edit source]

    “Questions can be raised as to the utility of using groupthink for research.”

    —Henningsen, Henningsen, Eden & Cruz[10]

    According to Clark McCauley[5], groupthink occurs due to directive leadership, members’ homogeneous background and ideology, and isolation of the group from outside sources of information and analysis. A concept of groupthink has been extensively studied and challenged by the researchers.

    In his book, Janis considered group cohesion to be the most important antecedent of groupthink [1]. Based on laboratory studies, many researchers such as Mullen, Anthony, Salas, and Driskell [11] found weak or no support for the hypothesized relationship between cohesion and groupthink symptoms. Esser[2], McCauley[5] and Tetlock[12] also found that the group cohesion is not predictive of groupthink. Hogg[13] argue that cohesiveness is not cause of groupthink because one cannot distinguish cohesiveness from friendship or social attraction.

    In a study of variables such as cohesiveness, leadership, dominance, accountability, and threat, only two variables were supported to be causes of groupthink symptoms[14]. It was found that the insulated groups has tendency to consider fewer alternatives and groups with directive leaders use less available information[15].

    After concluding his case studies, Janis proposed some techniques to prevent groupthink[1]. Awareness of the causes and symptoms of groupthink helps group members limit its negative effects.

    1. The group leader should assign each member the role of "critical evaluator" and encourage objections and criticism.
    2. Group leaders must describe the problem using unbiased statements to avoid partiality.
    3. The organization should set up several independent groups to tackle each problem.
    4. The group should periodically split into subgroups with different leaders to discuss ideas then reconvene to work out issues.
    5. Each group member should discuss issues with trusted associates outside of group meetings.
    6. Each meeting, one or more qualified outside experts should attend meetings and challenge ideas of group members.
    7. One member each meeting should be given the role of Devil's Advocate.
    8. The group should analyze all possible intentions of involved parties.
    9. After reaching preliminary consensus, each member should vividly voice all residual doubts about the decision


    Janis' prevention proposals were based on his experience and observations but not scientifically validated. Although his suggestions make sense, they have not been scientifically proven. Overall, there is startlingly little research done on the practical applications of groupthink. [16] In the limited practical research on groupthink, Hart proposes adding 'group accountability' to the list of preventions[17]. The end goal in preventing groupthink is in positive decision outcomes, so even beyond preventing groupthink, the following suggestions are valuable.

    1. Create backup plans in case of failures
    2. Hold the decision making group accountable for their decisions[18]

    Group decision-making or cohesion is not always a bad thing. Collective wisdom or Group wisdom is when shared knowledge by individuals and groups are used to solve problems and conflicts. As long as the group does not fall into the trap of groupthink, cohesiveness of a group is useful especially during decision-making in the military.

    What mode of thinking occurs when people are deeply involved in a cohesive in group?

    Psychologist Irving Janis coined the phrase groupthink in the 1970s. He defines groupthink as: "a mode of thinking people engage in when they are deeply involved in a cohesive in-group, when the members' striving for unanimity override their motivation to realistically appraise alternative courses of action.

    What's the meaning of groupthink?

    Groupthink 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.

    What causes groupthink?

    There are several main causes of groupthink. These include group cohesiveness, overall group isolation, group leadership, and decision-making stress. High levels of cohesiveness decrease the amount of verbal dissension within a tight group, due to interpersonal pressure to conform.

    What are 4 characteristics of groupthink?

    Characteristics of Groupthink Rationalization of decisions to minimize objections. Belief in the absolute goodness of the group. Intense dislike of outsiders – stereotyped and misleading portrayals of outside members and those who have left the group.