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Group Decisions

Group Decisions. Advantages Pooled knowledge and information Specialization of labor. Scan the environment Decision acceptance and commitment Diffusion of responsibility. Group Decisions. Disadvantages Time to reach a decision Conflict Domination. Groups Exceed Individuals.

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Group Decisions

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  1. Group Decisions • Advantages • Pooled knowledge and information • Specialization of labor. • Scan the environment • Decision acceptance and commitment • Diffusion of responsibility

  2. Group Decisions • Disadvantages • Time to reach a decision • Conflict • Domination

  3. Groups Exceed Individuals Complex Problems 1. Members have complementary skills 2. Ideas are communicated & accepted Groups are better than best member

  4. Individuals Exceed Groups Simple Problem No one in the group has the correct answer Group does worse the worst member

  5. Group Process in Decision Making • Handling risk • Risky shift • Conservative shift • Decision valence

  6. Group Think Antecedents Symptoms Outcomes

  7. Group Think • The tendency of highly cohesive groups to conform to group pressures and to suspend reality testing and engage in consensus seeking. • Antecedents • .High cohesiveness • Group structure • Stressful situations

  8. Group Think Cont. • Symptoms • Overestimation of the group • Close-mindedness • Increased pressure for uniformity • Consequences • Defective decision making • High probability of a bad decision • Preventive tactics

  9. Improving the Effectiveness of Group Decisions • Group training • Brainstorming • Delphi technique • Nominal group technique • Managing controversy • Electronic groups

  10. Group Training • Problem stating in an objective manner • Providing and sharing relevant information • Drawing out group members • Preventing domination • Avoid moving to evaluation prematurely; • Stimulating discussion and clarify points; • Summarizing to mark group progress.

  11. Group Training, Cont. • Training also reduces 3 problems • Unconflicted adherence • Defensive avoidance • Hyper-vigilance

  12. Delphi Technique • Enlist cooperation of experts and propose problem • Experts record solutions • Solutions are compiled and shared with others • Experts comment on others’ solutions • Solutions compiled and consensus sought

  13. Nominal Group Technique • Group gathers to hear problem • Participants write down ideas privately • All ideas are presented on a chart • Each idea is discussed by group members • Members privately rank ideas • Highest ranked idea is the solution

  14. Backwards and Forwards • Summing up:Today we compared individual to group decision making and the situations when each functions best. We explored the phenomenon of groupthink and ways to improve group decision processes. • Next time: We look at the use of power and political activities in organization

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