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Characterizing Whole Networks

Group cohesion and shape are both group-level (i.e., network-level) concepts. Group cohesion refers to the overall connectedness or knittedness of a network. Shape measures indicate what kind of shape the network has, such as core-periphery, clumpy, etc.

 

Topics

  • Group cohesion measures

    • density

    • average distance (aka CPL)

    • compactness

    • connectedness, fragmentation

    • wholeness

    • reciprocity

  • Shape measures

    • transitivity (clustering coef)

    • core/peripheriness

    • centralization

  • Attribute-based cohesion measures

    • EI index

    • homophily measures

    • density tables

  • Group social capital

  • Keyplayer project

Readings

  • Leavitt, H.1951  Some effects of certain communication patterns on group performance. [pdf]

  • Borgatti S. 2003. The key player problem. [doc]

  • Borgatti, S.P. 2006. Identifying sets of key players in a network. Computational, Mathematical and Organizational Theory. 12(1): 21-34 [pdf]

  • Borgatti, S.P. and Everett , M.G. 1999. Models of Core/Periphery Structures. Social Networks 21: 375-395. [pdf]

  • Johnson, J.C. 2000. Network evolution at the south pole. [doc]

 

Lab

Exercises

Handouts

Slides

Videos

  • Characterizing whole networks (24 Feb 2012) [Part 1] [Part 2]

Bibliographies

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