• Publications
  • Influence
Toward an integrative social identity model of collective action: a quantitative research synthesis of three socio-psychological perspectives.
An integrative social identity model of collective action (SIMCA) is developed that incorporates 3 socio-psychological perspectives on collective action. Three meta-analyses synthesized a total ofExpand
  • 1,235
  • 131
  • PDF
Group-level self-definition and self-investment: a hierarchical (multicomponent) model of in-group identification.
Recent research shows individuals' identification with in-groups to be psychologically important and socially consequential. However, there is little agreement about how identification should beExpand
  • 963
  • 118
  • PDF
Put your money where your mouth is! Explaining collective action tendencies through group-based anger and group efficacy.
Insights from appraisal theories of emotion are used to integrate elements of theories on collective action. Three experiments with disadvantaged groups systematically manipulated procedural fairnessExpand
  • 671
  • 62
  • PDF
A Social Identity Model of Deindividuation Phenomena
This chapter challenges traditional models of deindividuation. These are based on the assumption that such factors as immersion in a group and anonymity lead to a loss of selfhood and hence ofExpand
  • 844
  • 58
PERCEIVED INTRAGROUP VARIABILITY AS A FUNCTION OF GROUP STATUS AND IDENTIFICATION
Judgments of intragroup variability were examined as a function of relative group status and identification with the group. In the first study (n = 131), psychology students received false feedbackExpand
  • 885
  • 42
Breaching or Building Social Boundaries?
Computer-mediated communication (CMC) is sometimes heralded for its power to break down social boundaries and to liberate individuals from social influence, group pressure, and status and powerExpand
  • 748
  • 36
  • PDF
Deindividuation and antinormative behavior: A meta-analysis.
A meta-analytic integration reviews evidence for deindividuation theory as an explanation of collective and antinormative behavior. Deindividuation theories propose a subjective deindividuated stateExpand
  • 504
  • 35
Self and social identity.
In this chapter, we examine the self and identity by considering the different conditions under which these are affected by the groups to which people belong. From a social identity perspective weExpand
  • 1,163
  • 34
  • PDF
The Formation of Group Norms in Computer-Mediated Communication
The formation of group norms in computer-mediated communication (CMC) was examined among students who used e-mail as part of a course. A network analysis of group structures revealed that (a) contentExpand
  • 514
  • 20
  • PDF