Daphne de Groot

Daphne de Groot

Daphne de Groot appears on this site as co-author of two 2001 Personality and Social Psychology Bulletin papers on anonymity in computer-mediated groups, with Tom Postmes and Russell Spears and with Martin Lea and Russell Spears.

Who they are

The work of Daphne de Groot reaches this site through the papers listed below. On this site the name is tied to Group-Based Self-Categorisation, Deindividuation.

Key papers

Postmes, T., Spears, R., Sakhel, K., & de Groot, D. (2001). Social influence in computer-mediated communication: The effects of anonymity on group behavior. Personality and Social Psychology Bulletin, 27(10), 1243-1254. What it reports: Two studies of computer-mediated groups in which members were primed with different norms. Anonymous groups produced solutions in line with the prime and identifiable groups did not.

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.

Deindividuation: The proposed loss of self in a crowd, studied by varying anonymity, self-awareness and group size.

Sources

  1. Postmes, T., Spears, R., Sakhel, K., & de Groot, D. (2001). Social influence in computer-mediated communication: The effects of anonymity on group behavior. Personality and Social Psychology Bulletin, 27(10), 1243-1254.
  2. 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.