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Impact of Groups on Groups

Social psychologists analyze how groups influence one another, shaping social structures and interactions through both cooperation and competition. These dynamics manifest in various ways, ranging from economic partnerships to intergroup conflicts that shape societal structures and perceptions.Cooperation and Competition in Intergroup RelationsIntergroup relationships vary across contexts, sometimes fostering cooperation and mutual benefit while at other times leading to conflict and...
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Related Experiment Video

Updated: May 24, 2026

The Social Dimension of Stress: Experimental Manipulations of Social Support and Social Identity in the Trier Social Stress Test
11:13

The Social Dimension of Stress: Experimental Manipulations of Social Support and Social Identity in the Trier Social Stress Test

Published on: November 19, 2015

Interdependence explains how and when crises impact social cohesion.

Jesse Koster1, Martin Lang2, Paul A M Van Lange3

  • 1Department of Experimental and Social Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.

Communications Psychology
|May 22, 2026
PubMed
Summary
This summary is machine-generated.

Different crises impact social cohesion uniquely. Understanding interdependence and interests during natural hazards, pandemics, economic downturns, and wars can predict societal unity or division, aiding future crisis preparedness.

Related Experiment Videos

Last Updated: May 24, 2026

The Social Dimension of Stress: Experimental Manipulations of Social Support and Social Identity in the Trier Social Stress Test
11:13

The Social Dimension of Stress: Experimental Manipulations of Social Support and Social Identity in the Trier Social Stress Test

Published on: November 19, 2015

Area of Science:

  • Social Sciences
  • Sociology
  • Political Science

Background:

  • Societal crises can either unite or divide populations.
  • The long-term effects of various crises on social cohesion remain unclear.
  • Understanding crisis impacts is crucial for societal resilience.

Purpose of the Study:

  • To analyze how different types of crises (natural hazards, pandemics, economic downturns, wars) affect social cohesion.
  • To explain these effects using an interdependence theoretical perspective.
  • To differentiate the potential impacts of various crises on societal unity.

Main Methods:

  • Theory-guided review of existing literature.
  • Comparative analysis of four crisis types: natural hazards, pandemics, economic downturns, and wars.
  • Application of interdependence theory to social cohesion dynamics.

Main Results:

  • The impact of crises on social cohesion is not uniform across all crisis types.
  • Social cohesion is influenced by the level and equality of dependencies between individuals and the government.
  • The alignment or conflict of societal interests plays a key role in crisis outcomes.

Conclusions:

  • Natural hazards, pandemics, economic downturns, and wars likely have distinct effects on social cohesion over time.
  • Societies can better prepare for future crises by understanding when cohesion or division may be heightened.
  • Interdependence theory provides a framework for predicting crisis-induced social changes.