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The Basics of Social Network Analysis
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An introduction in the world of Social Network Analysis and a view on how this may help learning networks. History, data collection and several analysis techniques are shown.
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The Basics of Social Network Analysis
- 3. History Social Network Analysis Psychology Anthropology
- 4. 1930s: Jacob Moreno http://institutomomento.wordpress.com sociogram
- 5. 1950s: Cartwright and Harary Dorwin Cartwright http://www.rcgd.isr.umich.edu http://www.ur.umich.edu Frank Harary + - - A B C “ any balanced graph can be divided into two cohesive sub-groups that are in conflict with each other”
- 6. 1920s: Warner and Mayo Mayo Warner Hawthorne http://administracion1enlinea.blogspot.com http://www.wolframalpha.com effect focus on relationships
- 7. 1920s: Warner and Mayo Mayo Warner http://administracion1enlinea.blogspot.com http://www.wolframalpha.com adapted from Scott, 2000 cliques every person is separated by only one step
- 10. History Social Network Analysis Psychology Anthropology Hawthorne Networks Graph theory Sociogram Graph theory Strength of weak ties
- 11. Examples centrality = power (Krackhardt, 1990) ‘ broker’ (Burt, 2004)
- 13. Data collection
- 14. Ego network ego network but.... self-perceived ask for connections ask connections if they are connected alter alter
- 15. Snowball method but.... self-perceived ask for connections ask connections for their connections until you reach a stopping criterion
- 16. Complete networks monitor email traffic or monitor tweets
- 17. Data storage Adjacency matrix (R, UCINET)
- 19. Data storage Pajek network (Pajek, UCINET)
- 23. Analysis: community A D C B E F Faction http://www.physorg.com/news/2011-01-mathematical-groups-factions.html
- 24. Analysis: individual A D C B E F G H Betweenness network is dependent on C Degree G is very popular 12 12 14 17 17 18 19 19 Closeness C and G can easily reach others
Hinweis der Redaktion
- Thank you for your attention, and I hope to see you at the Career day