Table 3.
Effect Sizes for Intervention Conditions and Control Group Controlling for Pretest and Gender
Spelling | Handwriting | Combination | |
---|---|---|---|
Total Number of Words Written | 0.34 | 0.52 | 0.39 |
Correct Word Sequences | 0.57 | 0.71 | 0.84 |
Experimental Spelling Task | 0.64 | 0.12 | 0.16 |
Woodcock-Johnson Spelling | 0.68 | 0.16 | 0.21 |
WIAT-III Alphabet Writing Fluency | 0.07 | 0.31 | −0.45 |
Sentence Copying | 0.07 | 0.34 | 0.07 |
Note. WIAT-III = Wechsler Individual Achievement Test – Third Edition.