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Table 6 Accuracy of leadership identification via degree and reach centralities

From: Finding the leaders: an examination of social network analysis and leadership identification in STEM education change

Year

Metric

False SNA negatives (% of total nominated leaders)

Leaders identified by both SNA data and nominations (% of total nominated leaders)

False SNA positives (% of leaders identified from SNA)

2012

Degree centrality

30 (71.4%)

12 (28.6%)

13 of 25 (52%)

Reach centrality

21 (50.0%)

21 (50.0%)

17 of 38 (44.7%)

2013

Degree centrality

32 (52.5%)

29 (47.5%)

15 of 44 (34.1%)

Reach centrality

19 (31.1%)

42 (68.9%)

39 of 81 (48.1%)

2016

Degree centrality

56 (67.5%)

27 (32.5%)

6 of 33 (18.2%)

Reach centrality

30 (36.1%)

53 (63.9%)

16 of 69 (23.2%)