Martin Lea
Martin Lea appears on this site as first author of the 2001 Personality and Social Psychology Bulletin paper on anonymity effects on social identity processes within groups, with Russell Spears and Daphne de Groot.
Who they are
The work of Martin Lea reaches this site through the paper listed below. On this site the name is tied to Group-Based Self-Categorisation, Social Identity Model of Deindividuation Effects.
Key papers
Lea, M., Spears, R., & de Groot, D. (2001). Knowing me, knowing you: Anonymity effects on social identity processes within groups. Personality and Social Psychology Bulletin, 27(5), 526-537. What it reports: Compared visually anonymous and video-identifiable groups communicating by computer. Visual anonymity increased group-based self-categorisation, which in turn increased attraction to the group.
Key ideas
Group-Based Self-Categorisation: Seeing oneself as a member of a group, which visual anonymity increased in computer-mediated groups.
Social Identity Model of Deindividuation Effects: Reicher, Spears and Postmes's 1995 model that explains crowd behaviour through group identity and its norms.
Sources
- Lea, M., Spears, R., & de Groot, D. (2001). Knowing me, knowing you: Anonymity effects on social identity processes within groups. Personality and Social Psychology Bulletin, 27(5), 526-537.