Table 2.
Raw score range, mean, and standard deviation for each visual-spatial measure of younger and older subgroups of children.
| Raw score | DD | NR | |
|---|---|---|---|
| Range | Mean (SD) | Mean (SD) | |
| Younger | |||
| MAP | 0–80 | 31.32 (8.27) | 33.59 (7.55) |
| SRT | 0–27 | 17.82 (5.71) | 20.18 (3.59) |
| STICK | 0–10 | 6.25 (1.97) | 7.23 (2.36) |
| VPT2 | 0–25 | 20.11 (4.01) | 22.36 (2.95) |
| VPT4 | 0–18 | 13.11 (2.42) | 15 (1.38) |
| VMI | 0–27 | 16.32 (2.54) | 20.73 (3.61) |
| Older | |||
| MAP | 0–80 | 42.25 (9.48) | 49.19 (9.77) |
| SRT | 0–27 | 21.03 (3.14) | 22.47 (2.59) |
| STICK | 0–10 | 8 (1.95) | 8.21 (2.01) |
| VPT2 | 0–25 | 22.22 (3.53) | 23.33 (1.94) |
| VPT4 | 0–18 | 13.84 (3.31) | 15.53 (2.04) |
| VMI | 0–27 | 19.78 (3.05) | 21.37 (2.96) |
DD, Developmental Dyslexia; SD, Standard Deviation; MAP, Map Mission; SRT, Spatial Rotation Test; STICK, Stick Test; VPT2, Visual Perception Test-subtest 2; VPT4, Visual Perception Test-subtest 4; VMI, Visual Motor Integration Task.