Table 2.

Pointwise Average (SD) for the Mean Signed Error, Mean Absolute Error, and Number of Presentations for Reliable Observers, High FPs (20%), and High FNs (20%)

		Mean Signed Error		Mean Absolute Error		Average Presentations
	Reliability	ZEST	S-ZEST	ZEST	S-ZEST	ZEST	S-ZEST
Without spatial correlations	Reliable	0.27 (3.62)	−0.23 (3.08)	2.43 (2.69)	1.98 (2.37)	4.92 (2.32)	4.11 (1.81)
With spatial correlations		0.17 (3.28)	−0.12 (2.91)	2.18 (2.45)	1.83 (2.27)	4.75 (2.20)	3.56 (2.07)
Without spatial correlations	High FPs	1.40 (4.57)	0.43 (3.39)	2.97 (3.75)	2.13 (2.68)	4.63 (2.31)	4.01 (1.78)
With spatial correlations		1.23 (3.87)	0.62 (3.16)	2.61 (3.12)	2.00 (2.52)	4.56 (2.25)	3.45 (2.04)
Without spatial correlations	High FNs	−1.32 (5.24)	−1.21 (3.85)	3.36 (4.24)	2.50 (3.17)	5.42 (2.42)	4.39 (1.96)
With spatial correlations		−1.22 (4.47)	−1.09 (3.47)	2.86 (3.64)	2.25 (2.85)	5.23 (2.31)	3.85 (2.18)