Table 11.
Means (M) and Standard Deviations (SD) of Ipsatized Individual WIAT II Standard Scores for Reading Comprehension, Written Expression, Oral Expression, and Listening Comprehension Over Time
| Ipsatized Individual Scores | |||||
|---|---|---|---|---|---|
| Younger | Older | ||||
| M (SD) | M (SD) | ||||
| Listening Comprehension | |||||
| Grade 1 | 3.70 | (8.69) | Grade 3 | −.81 | (7.72) |
| Grade 3 | .48 | (8.38) | Grade 5 | .50 | (7.98) |
| Grade 5 | 2.51 | (7.63) | Grade 7 | −1.16 | (8.46) |
| Oral Expression | |||||
| Grade 1 | 2.44 | (8.47) | Grade 3 | −.38 | (9.87) |
| Grade 3 | −.37 | (9.10) | Grade 5 | 2.87 | (10.73) |
| Grade 5 | 3.99 | (9.49) | Grade 7 | 7.33 | (10.28) |
| Reading Comprehension | |||||
| Grade 1 | .99 | (8.58) | Grade 3 | 2.42 | (6.39) |
| Grade 3 | .89 | (7.65) | Grade 5 | .30 | (6.57) |
| Grade 5 | .73 | (5.38) | Grade 7 | −.80 | (5.97) |
| Written Expression | |||||
| Grade 1 | −7.03 | (9.61) | Grade 3 | −1.44 | (8.47) |
| Grade 3 | −1.34 | (8.51) | Grade 5 | −3.73 | (9.76) |
| Grade 5 | −7.23 | (9.05) | Grade 7 | −5.19 | (9.38) |