Table 2.
Descriptive statistics for visual discrimination scores by group and stimulus class.
| N | Median | Range |
Mean (SD) % correct |
Variance |
Skewness (SE) |
|
|---|---|---|---|---|---|---|
| Sample | ||||||
| Houses | 144 | 90.00 | 45.0 −100.0 | 87.38 (12.41) | 154.05 | −1.78 (0.20) |
| Human Faces | 144 | 85.00 | 45.0 −100.0 | 84.27 (11.64) | 135.48 | −1.08 (0.20) |
| Monkey Faces | 130 | 67.50 | 37.5 – 97.5 | 66.08 (14.46) | 209.10 | −0.02 (0.21) |
|
ELBW |
||||||
| Houses | 62 | 90.00 | 45.0–100.0 | 85.00 (14.24)† | 202.66 | −1.47 (0.30) |
| Human Faces | 62 | 82.50 | 45.0–97.5 | 79.80 (12.87)a | 165.64 | −0.69 (0.30) |
| Monkey Faces | 56 | 58.75 | 37.5–87.5 | 60.76 (13.32) b | 177.48 | 0.34 (0.32) |
|
NBW |
||||||
| Houses | 82 | 92.50 | 50.0–100.0 | 89.18 (10.57)† | 111.74 | −2.03 (0.27) |
| Human Faces | 82 | 90.00 | 50.0–100.0 | 87.65 (9.36)a | 87.55 | −1.35 (0.27) |
| Monkey Faces | 74 | 71.25 | 37.5–97.5 | 70.10 (14.06)b | 197.68 | −0.33 (0.28) |
Notes:
a,b
= p < .001
†
= p < .06, in independent sample t-tests.