Table 1. Mean sensitivity and criterion data across the four experimental conditions.

	Mirror-Symmetrical	Mirror-Asymmetrical	Board-Symmetrical	Board-Asymmetrical
Sensitivity (d’)	1.58 (0.19)	2.03 (0.21)	2.24 (0.21)	2.21 (0.20)
Criterion (c)	0.74 (0.12)	0.62 (0.10)	0.56 (0.11)	0.62 (0.09)

Standard Errors of the Mean (SEMs) are indicated in brackets.