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Cohesiveness (Cohesion)

Cohesiveness (Cohesion). The strength of the relationships linking the members of a group to one another and to the group as a whole. Three Components: Interpersonal Attraction Group Pride Task Commitment. Factors Leading to Cohesion.

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Cohesiveness (Cohesion)

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  1. Cohesiveness (Cohesion) • The strength of the relationships linking the members of a group to one another and to the group as a whole. • Three Components: • Interpersonal Attraction • Group Pride • Task Commitment

  2. Factors Leading to Cohesion • Members (traits, similarity, acceptance, proximity, interaction) • Size • Group Goals • Cooperative Rewards • Pleasant & Fulfilling Activities • Considerate Leadership • Participation • Decentralized Communication • Group Designation

  3. Consequences of Cohesion • Less Turnover (Saab: 55% to 20%) • Greater Interaction & Communication (r = .43) • More Active Participation (attendance, speak at meetings, take responsibility, work for group goals) • More Social Influence(more attempts & more yielding) • More Security & Self-Esteem • Performance??

  4. Cohesion & Performance • Positive Examples:Construction Crews 5% Cost ReductionHigher Scores on Military Exercises • Negative Examples:Children’s GroupsBank Wiring Room • Seashore: Cohesion Leads to High or Low Productivity Depending on Group Norms. • Zander: Cohesion & Task Emphasis

  5. Reviews of Cohesion & Performance • Oliver: r = .32 • Evans & Dion: r = .36 • Mullen: 92% of studies show a positive correlation, r = .25

  6. Dimensions of Cohesion (Zaccaro) • Social-Based & Task-Based • Social-Based is Related to Performance Only on Highly Interdependent Tasks. • Task-Based is Related to Performance Across Tasks (pooled independent & interdependent)

  7. Mullen Meta-Analysis • Components of Cohesion & Perf. • Interpersonal Attraction: r = .27 • Group Pride: r = .40 • Task Commitment: r = .43 • Task Commitment is the only independent predictor of performance, partial r = .21.

  8. Cohesion & Group Performance Cross-Lag Studies Can Examine Causal Patterns Cohesion Group Performance r = .25 Group Performance Cohesion r = .51

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