Table 2.
Lexical and grammatical abilities: summary scores and comparisons.
| Measure | SLI |
TD |
Comparison |
||||||
|---|---|---|---|---|---|---|---|---|---|
| M | SD | Range | M | SD | Range | t | p | partial η2 | |
| Lexical abilities | |||||||||
| EOWPVT (expressive vocabulary) | 82.3 | 13.2 | 54–107 | 99.2 | 9.1 | 81–124 | 7.527 | <.001 | .362 |
| ROWPVT (receptive vocabulary) | 94.3 | 13.0 | 65–128 | 105.3 | 10.6 | 78–130 | 4.673 | <.001 | .179 |
| Grammatical abilities | |||||||||
| Action Picture Test (expressive grammar) | 24.8 | 5.4 | 13–35 | 29.2 | 4.1 | 19–36 | 4.627 | <.001 | .176 |
| TROG-2 (receptive grammar) | 11.8 | 3.5 | 3–18 | 16.5 | 2.5 | 9–20 | 7.859 | <.001 | .382 |