Table 3.
Sensitivity and bias values (and standard errors) for the marginal and probit analyses.
| Sensitivity (d′) | Bias (c) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
X1Y1 to X2Y1 |
X1Y1 to X1Y2 |
X2Y1 to X2Y2 |
X1Y2 to X2Y2 |
X1Y1 to X2Y1 |
X1Y1 to X1Y2 |
X2Y1 to X2Y2 |
X1Y2 to X2Y2 |
|||
| Marginals | Inverted | FS | 1.72 (0.27) | 1.34 (0.14) | 0.95 (0.16) | 1.75 (0.27) | −0.12 (0.10) | −0.30 (0.05) | −0.17 (0.07) | −0.10 (0.06) |
| FI | 0.93 (0.11) | 0.64 (0.16) | 0.62 (0.19) | 0.89 (0.14) | −0.16 (0.10) | −0.04 (0.05) | 0.15 (0.12) | −0.03 (0.08) | ||
| FO | 0.96 (0.24) | 0.13 (0.29) | 0.09 (0.27) | 0.90 (0.23) | −0.27 (0.03) | −0.22 (0.05) | −0.06 (0.07) | −0.27 (0.03) | ||
| Upright | FS | 1.87 (0.23) | 1.46 (0.08) | 1.29 (0.18) | 1.71 (0.15) | −0.13 (0.08) | −0.21 (0.04) | −0.18 (0.05) | −0.09 (0.06) | |
| FI | 1.17 (0.14) | 0.93 (0.18) | 0.82 (0.17) | 1.12 (0.14) | −0.19 (0.07) | 0.07 (0.07) | 0.22 (0.11) | 0.10 (0.15) | ||
| FO | 2.39 (0.29) | 1.79 (0.30) | 1.18 (0.22) | 2.20 (0.29) | −0.23 (0.06) | 0.06 (0.09) | 0.00 (0.09) | −0.12 (0.06) | ||
| Probits | Inverted | FS | 1.58 (0.16) | 1.37 (0.08) | 1.20 (0.09) | 1.56 (0.16) | 0.08 (0.06) | 0.18 (0.02) | 0.12 (0.04) | 0.05 (0.03) |
| FI | 1.21 (0.07) | 1.03 (0.07) | 0.98 (0.09) | 1.16 (0.09) | 0.13 (0.09) | 0.03 (0.06) | −0.14 (0.11) | 0.03 (0.09) | ||
| FO | 1.23 (0.08) | 0.83 (0.04) | 0.77 (0.05) | 1.20 (0.09) | 0.21 (0.05) | 0.22 (0.07) | 0.06 (0.11) | 0.21 (0.05) | ||
| Upright | FS | 1.63 (0.11) | 1.41 (0.07) | 1.34 (0.08) | 1.57 (0.13) | 0.08 (0.04) | 0.11 (0.02) | 0.10 (0.04) | 0.06 (0.03) | |
| FI | 1.31 (0.08) | 1.16 (0.08) | 1.07 (0.07) | 1.28 (0.09) | 0.13 (0.08) | −0.05 (0.07) | −0.18 (0.11) | −0.06 (0.12) | ||
| FO | 1.80 (0.07) | 1.64 (0.10) | 1.32 (0.08) | 1.79 (0.10) | 0.07 (0.03) | −0.01 (0.05) | 0.02 (0.06) | 0.05 (0.03) | ||
X1Y2 represents the distribution at level 1 in dimension X and level 2 in dimension Y. Dimension X is the top of the face and dimension Y is the bottom of the face, level 1 is same/upright and level 2 is different/odd. FS, Feature Size Task; FI, Feature Identity Task; FO, Feature Orientation Task.