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| Collective Action Tendency Measurement (SIMCA)× | Group Identity Measurement× | |
|---|---|---|
| Field | Political Psychology | Political Psychology |
| Family | Process / pipeline | Process / pipeline |
| Year of origin | 2008 | 2008 |
| Originator≠ | Martijn van Zomeren, Tom Postmes & Russell Spears | Colin Wayne Leach et al. |
| Type≠ | Self-report multi-construct measure | Self-report identity scale |
| Seminal source≠ | van Zomeren, M., Postmes, T., & Spears, R. (2008). Toward an integrative social identity model of collective action: A quantitative research synthesis of three socio-psychological perspectives. Psychological Bulletin, 134(4), 504-535. DOI ↗ | Leach, C. W., van Zomeren, M., Zebel, S., Vliek, M. L. W., Pennekamp, S. F., Doosje, B., Ouwerkerk, J. W., & Spears, R. (2008). Group-level self-definition and self-investment: A hierarchical (multicomponent) model of in-group identification. Journal of Personality and Social Psychology, 95(1), 144-165. DOI ↗ |
| Aliases | SIMCA, Collective Action Scale, Protest Intention Measure | Group Identification Scale, Ingroup Identification Measure, Identity Centrality Scale |
| Related | 4 | 4 |
| Summary≠ | Collective action tendency measurement, organized by the Social Identity Model of Collective Action (SIMCA; van Zomeren, Postmes and Spears, 2008), assesses the psychological predictors of willingness to engage in protest and group-based political action: perceived injustice (especially group-based anger), group efficacy, and politicized social identity. SIMCA integrates these three traditions into a structural model in which identity drives action both directly and through injustice and efficacy. | Group identity measurement assesses the strength and structure of a person's psychological identification with a social group, such as a party, nation, ethnic group, or movement. The Leach et al. (2008) hierarchical multicomponent model is a leading approach, decomposing in-group identification into self-definition (individual self-stereotyping, in-group homogeneity) and self-investment (solidarity, satisfaction, centrality), measured by a validated 14-item scale. |
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