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32 J.school K.school M.school R.school V.school 31

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34 BestFriends (J.school) BestFriends (K.school) total degree CLOSENESS total degree CLOSENESS eigenvector BETWEENNESS eigenvector BETWEENNESS BestFriends (R.school) BestFriends (V.school) total degree CLOSENESS total degree CLOSENESS eigenvector BETWEENNESS eigenvector BETWEENNESS 33

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37 Others (J.school) Others (K.school) totaldegree CLOSENESS total degree CLOSENESS eigenvector BETWEENNESS eigenvector BETWEENNESS Others (R.school) Others (V.school) totaldegree CLOSENESS totaldegree CLOSENESS eigenvector BETWEENNESS eigenvector BETWEENNESS 36

38 J.school K.school M.school R.school V.school 37

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41 Confidants (R.school) Confidants (V.school) IN degree OUT degree total degree IN degree OUT degree total degree CLOSENESS eigenvector BETWEENNESS CLOSENESS eigenvector BETWEENNESS Confidants (J.school) Confidants (K.school) IN degree OUTdegree totaldegree IN degree OUT degree total degree CLOSENESS eigenvector BETWEENNESS CLOSENESS eigenvector BETWEENNESS 40

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52 5. Other friends (Other people in network) In addition to those friends you listed, who else are your friends? Please list up to 5 more friends that you usually spend time on each activity. DO NOT list same person as 10 best friends. Study (c) (s) (a) (n) (c) (s) (a) (n) Class Section Admission number Work as a team in the class Name Class Section Admission number Name (frwork1) #### Play and chat Commute (c) (s) (a) (n) (c) (s) (a) (n) Class Section Admission number Name Class Section Admission number Name (frcomm1) #### Share a private problem (c) (s) (a) (n) (c) (s) (a) (n) Class Section Admission number Visit after coming back home Name Class Section Admission number Name (frvisit1) #### 51

53 Best friends (Network, form 1) 1. You are given a list of all student names in relevant grades in this school. Please write your best friends' names and student numbers. Both boys and girls can be listed. Best friends are the ones you trust even in times of trouble. 2. Do you do the following together on most of school days with this friend? Choose Yes! if you do, and give how often. (c) (s) (a) (n) (sy) (sf) (py) (pf) (ty) (cy) (vy) (vf) (hy) Class Section Admission number Name yes/no Yes Yes Study Play and chat frequency in 1 week less than once 1-3 times 4+ times less than once 1-3 times 4+ times yes/no Yes Yes frequency in 1 week less than once 1-3 times 4+ times less than once 1-3 times 4+ times Share a Work as a Commute yes/no yes/no yes/no Yes Yes Yes Yes Yes Yes Visit each other after coming back home frequency in 1 week less than once 1-3 times 4+ times less than once 1-3 times 4+ times personal problem yes/no Yes Yes 52

54 Best Friends Other Friends Confidant 53

55 IN degree Best friends (across activities) OUT degree total degree CLOSENESS eigenvector BETWEENNESS

56 IN degree Others (across activities) OUT degree total degree CLOSENESS eigenvector BETWEENNESS Source: author

57 IN degree Confidants (across activities) OUT degree total degree CLOSENESS eigenvector BETWEENNESS 56

58 Others (M.school) total degree eigenvector BestFriends (M.school) total degree eigenvector CLOSENESS BETWEENNESS CLOSENESS BETWEENNESS Confidants (M.school) IN degree OUT degree total degree CLOSENESS eigenvector BETWEENNESS 57

59 BEST FRIENDS: J.school K.school M.school R.school V.school CONFIDANTS: J.school K.school M.school R.school V.school OTHER FRIENDS: J.school K.school M.school R.school V.school 58

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65 Parameter Graphic Parameter Graphic Arc Alternating-out-star Reciprocity Alternating-in-1-out- Star 2-in-star 1-In-Alternating-outstar 2-out-star Alternating-in- Alternating-out 3-in-star Alternating-Transitive- Triad 3-out-star Alternating-Cyclic- Triad Two-path Alternating-2-Path Transitive Triad Dyadic Co-Variate Cyclic Triad Homophilous Interaction Alternating-in-star Homophilous Reciprocity 64

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