Table 2.
Exploratory and confirmatory group performance on standardized assessment measures.
| TD group | SLI group | ||||||
|---|---|---|---|---|---|---|---|
| M | SD | Range | M | SD | Range | d | |
| Exploratory group | |||||||
| SPELT–P2 (X̄ = 100, SD = 15) | 108.84 | 9.00 | 94–127 | 71.5 | 12.36 | 39–95 | 3.02 |
| TEEM (X̄ = 101, SD = 15) | 100.50 | 12.35 | 77–128 | 44.50 | 13.78 | 10–69 | 4.06 |
| TOLD–GU (X̄ = 10, SD = 3) | 10.84 | 2.08 | 8–16 | 8.00 | 2.46 | 4–15 | 1.15 |
| K-ABC–II (X̄ = 100, SD = 15) | 106.94 | 10.25 | 85–128 | 98.66 | 13.00 | 79–130 | 0.64 |
| Confirmatory group | |||||||
| SPELT–P2 (X̄ = 100, SD = 15) | 107.09 | 7.42 | 92–120 | 71.6 | 10.52 | 56–89 | 3.37 |
| TEEM (X̄ = 101, SD = 15) | 94.86 | 18.28 | 55–130 | 36.20 | 14.25 | 4–66 | 3.21 |
| TOLD–GU (X̄ = 10, SD = 3) | 9.82 | 2.82 | 6–17 | 8.5 | 2.46 | 6–13 | 0.47 |
| K-ABC–II (X̄ = 100, SD = 15) | 102.00 | 12.06 | 79–130 | 96.5 | 12.03 | 77–118 | 0.46 |
Note. SPELT–P2 = Structured Photographic Expressive Language Test—Preschool: Second Edition (Dawson, Eyer, & Fonkalsrud, 2005), TEEM = Test for Examining Expressive Morphology (Shipley, Stone, & Sue, 1983), TOLD–GU = Grammatical Understanding subtest of the Test of Language Development—Primary: Third Edition (Newcomer & Hammill, 1997), K-ABC–II = Kaufman Assessment Battery for Children—Second Edition (Kaufman & Kaufman, 2004).