2. What is Social Network Analysis?

4. Structural Intuitions: Alex Bavelas—Productivity, Leadership and Morale Torsten Hagerstrand—Information & Space Elizabeth Bott—Support and Control Peter Blau—Homophily Mark Granovetter—Social Organization

6. Bavelas’ Centrality

7. Bavelas’ Apparatus

8. The greater the centrality: –The faster the solution –The fewer errors –The lower the morale

9. Structural Intuitions: Alex Bavelas—Productivity, Leadership and Morale Torsten Hagerstrand—Information & Space Elizabeth Bott—Support and Control Peter Blau—Homophily Mark Granovetter—Social Organization

11. Hagerstrand—Spatial Diffusion Census data on the spread of an innovation in space Wave-like patterning Assumed pair-wise process Distance/decay in contact Estimated by addresses of brides and grooms

12. Structural Intuitions: Alex Bavelas—Productivity, Leadership and Morale Torsten Hagerstrand—Information & Space Elizabeth Bott—Support and Control Peter Blau—Homophily Mark Granovetter—Social Organization

14. Bott: Support and Control Loose Knit Tight Knit

15. Bott: Support and Control Loose Knit Tight Knit

17. Structural Intuitions: Alex Bavelas—Productivity, Leadership and Morale Torsten Hagerstrand—Information & Space Elizabeth Bott—Support and Control Peter Blau—Homophily Mark Granovetter—Social Organization

19. Blau’s Homophily [Moreno Data]

20. Structural Intuitions: Alex Bavelas—Productivity, Leadership and Morale Torsten Hagerstrand—Information & Space Elizabeth Bott—Support and Control Peter Blau—Homophily Mark Granovetter—Social Organization

25. BREAK

32. Graph Ordered pair: G =

33. Symmetric If  R then  R For all A, if a 1 R a 2 then a 2 R a 1

34. Nonsymmetric For at least 1 element in A, a 1 R a 2 and a 2 R a 1 For at least 1 element in A, a 1 R a 2 and a 2 ~R a 1

35. Binary 1922 Almack Valued 1999 Brewer & Webster

36. Existing Records 1986Breiger & Pattison Subjects’ Reports 1992Fagan 1999Brewer & Webster

37. Systematic Observation 1988Freeman, Freeman & Michaelson Recording Devices 2004Bulkley & van Alstyne

38. Experimental Manipulation 1951Leavitt Ethnographic Notes 1956Bott

39. Free Listing 1999Brewer & Webster Forced Choice 1999Brewer & Webster

40. Card Sorts 1988Freeman, Freeman & Michaelson Spatial Tasks 1994Freeman

41. Reports about Self 1922Almack Reports about Everyone 1987Krackhardt

42. Systematically Compared 1976Killworth & Bernard