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Table 7

Voting procedure: measuring sensitivity, specificity, and Cohen’s Kappa statistic (k-Cohen)

Nets Positive (retreat case) Negative (non-retreat case)
F1 & F2 cases True: 2021 True: 65
False: 287 False: 5
Total: 2308 Total: 70
Sensitivity: 2021/2308 = 0.8756 Specificity: 65/70 = 0.9286
k-Cohen: 0.7595