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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%)