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Updated: Jul 31, 2026

The Social Dimension of Stress: Experimental Manipulations of Social Support and Social Identity in the Trier Social Stress Test
Published on: November 19, 2015
Sequential or parallel processes? A longitudinal field study concerning determinants of identity-management
Thomas Kessler1, Amélie Mummendey
1Friedrich-Schiller-Universität, Lehrstuhl für Sozialpsychologie, Jena, Germany.
This study challenges social identity theory (SIT) and relative deprivation theory (RDT) by showing that group dynamics result from parallel processes, not sequential ones. Findings suggest trait-dependent variations explain relationships between social identity and perceived deprivation.
Area of Science:
- Social Psychology
- Sociology
Background:
- Social Identity Theory (SIT) and Relative Deprivation Theory (RDT) offer frameworks for understanding group dynamics.
- Previous research often assumes linear and sequential processes in social identity and deprivation.
Purpose of the Study:
- To test an integrative model of SIT and RDT using a longitudinal design.
- To examine the relationships between socio-structural characteristics, in-group identification, fraternal deprivation, and identity management strategies.
- To investigate the dynamic interplay of these constructs over time.
Main Methods:
- Longitudinal field study design.
- Trait-state analyses to examine dynamic relationships among variables.
- Statistical modeling to assess construct interactions.
Main Results:
- The interplay of social identity and relative deprivation is best explained by trait-dependent variation, not sequential processing.
- Stable functional relations and traitlike characteristics contradict linear process assumptions.
- Findings suggest parallel processes underlie the studied social-psychological dynamics.
Conclusions:
- The study challenges core assumptions of Social Identity Theory regarding linear and sequential processes.
- Results indicate that group dynamics, including identification and deprivation, emerge from parallel processes.
- Future research should consider non-linear, parallel models for social identity and relative deprivation.
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