Social identities facilitate and encapsulate action-relevant constructs: a test of the social identity model of collective action

Emma F. Thomas, Kenneth I. Mavor, Craig McGarty

Research output: Contribution to journalArticlepeer-review

198 Citations (Scopus)


Three studies explore the recently elaborated social identity model of collective action (SIMCA) and an alternative, the encapsulated model of social identity in collective action (EMSICA). These models both afford a central role to the function of social identities in promoting collective action, through affective reactions to injustice and group efficacy, but in different ways. Combined analyses of three samples (N = 305) using multigroup structural equation modelling showed that both SIMCA and EMSICA fit the data well but that the path from group efficacy to action was of small size. Results showed that social identity processes can both facilitate and encapsulate other action-relevant constructs, and highlight the importance of considering multiple causal pathways to action.

Original languageEnglish
Pages (from-to)75-88
Number of pages14
JournalGroup Processes and Intergroup Relations
Issue number1
Publication statusPublished - Jan 2012


  • social identity
  • group processes
  • collective action
  • group emotion
  • group efficacy

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