Table 2.
Effect sizes for the contrast between intervention groups and the control group
| Outcome variable | Effect size | |
|---|---|---|
| Immediate Post Test | One year follow-up | |
| Word Identification | .53 | .37 |
| Word Efficiency | .37 | .34 |
| Word Attack | .77 | .43 |
| Nonword Efficiency | .53 | .32 |
| Text Reading Accuracy | .33 | |
| Text Reading Rate | .26 | |
| Passage Comprehension (WRMT-R) | .40 | .33 |
| Passage Comprehension (Gray) | .16 | |
| Blending Words | .57 | .14 |
| Elision | .45 | .28 |
| Segmenting Words | .76 | .33 |
| Rapid naming digits | .50 | .04 |
| Rapid naming letters | .17 | .66 |
| Developmental Spelling | .51 | |
| WRAT spelling | .43 | |