- The size of the community

- Degree of homogeneity of its members' interests

- Are their subgroups?

- Is membership recruited through existing social ties

University of Michigan - Ann Arbor

The constituents of a community and how its formed

Community structure within online communities

Kraut, Robert E., and Paul Resnick. Building successful online communities: Evidence-based social design. MIT Press, 2012.

Building successful online communities: Evidence-based social design (Kraut and Resnick)

Examples of community structure decisions in online communities

- Push model: uses push alerts, like emails, to tell members about group activities or information that may interest them
- Pull model: operates like Facebook, members visit the community themselves to see new activity

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