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]
Class 24 Feb 2012 [pdf]
Videos
Bibliographies