Table 5. Face matching performance as a function of prior identity decision (threshold = 0.5).

95% confidence intervals are estimated by bootstrap resampling.

Prior	n	ACC (95% CI)	FPR (95% CI)	TPR (95% CI)
None	120	0.75 (0.73–0.78)	0.19 (0.16–0.23)	0.70 (0.67–0.74)
Same	223	0.73 (0.71–0.76)	0.25 (0.22–0.29)	0.72 (0.68–0.75)
Different	223	0.75 (0.72–0.77)	0.17 (0.14–0.20)	0.66 (0.63–0.70)