Types of Social Relations Similarities: hobbies, likes, dislikes, kin, role-based (i.e. boss) Interactions: asked advice, contacted by some form, influenced by, had sex with, shared information, etc.
For Organizations How does the network help organizations? Proximity matters Different connections mean different things Strength of Weak Ties
Key Concepts (Units of Analysis) Nodes: actors (different levels)
Terms in Data Analysis: Centrality How well each node is connected to its network Degree centrality: count of the # of ties to other actors in the network
Terms in Data Analysis: Clique Maximal complete sub-graph Every possible pair of points is directly connected by a line
Terms in Data Analysis: Structural Equivalence Function: same the extent to which nodes have a common set of linkages to other nodes in the system
Terms in Data Analysis: Structural Hole Broker between two nodes Introduce social capital
Terms in Data Collection Ego Network Closed/Whole Network
Software UCINET (free for 60 days) http://www.analytictech.com/ucinet/ MultiNet
Books Scott, J. (2000). Social network analysis: A handbook (2nd edition). London: Sage Publications. Hanneman, R. A., & Riddle, M. (2005). Introduction to social network methods. Riverside, CA: University of California, Riverside (available at http://faculty.ucr.edu/~hanneman/)
Journal Articles Shumate, M., Fulk, J., & Monge, P. (2005). Predictors of the HIV/AIDS INGO network over time. Human Communication Research, 31, 482-510. Uzzi, B. (1997). Social structure and competition in interfirm networks: The paradox of embeddedness. Administrative Science Quarterly, 42(1), 35-67.