Social network analysis
Centrality, centralization, and power
This page is part of the materials supporting Sociology
157, an undergraduate introductory course on social network analysis. The course is taught
by Robert A. Hanneman of the Department of Sociology at the University of California, Riverside. Feel free to use and reproduce these materials (with citation). For more information, or to offer comments,
you can send me e-mail.
Sources:
Hanneman and Riddle, Chapter 10.
Centrality, centralization, and power:
- Position, power, and influence
- The basic ideas in star, line, and circle graphs
- Power at the macro level (centralization) and micro level (centrality)
- Degree centralization and centrality
- Freeman's approach -- degree
- Bonacich's approach -- social capital as connections to the well
connected; domination as connections to the less well connected
- Exercise/quiz
- Closeness centralization and centrality
- Path distance
- Reach
- Eigenvector
- All pathways
- Exercise/quiz
- Betweenness centralization and centrality
- Freeman's approach for binary data
- Flow centrality for valued data
- Exercise/quiz
- Using power
- Exchange and influence in the net
- "The smart rat jumps out of the maze"
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