Table 2.
Mean (SD) scores on cognitive variables for TD children in each interview condition
| Variables | Best-practice (n = 75) | Verbal labels (n = 44) | Sketch-RC (n = 42) | Registered intermediary (n = 38) | Group differences (in bold) |
|---|---|---|---|---|---|
| Age | 8 years 8 months (14 m) | 8 years 4 months (13 m) | 8 years 3 months (15 m) | 9 years 2 months (16 m) | *F(3,195) = 5.04, p = .002 RI > VL, RI > SRC |
| WASI-IIa | 108.7 (13.7) | 105.8 (12.0) | 109.5 (13.5) | 102.5 (14.3) | F(3,195) = 2.42, p = .07 |
| TOMAL2 compositea | 112.8 (15.9) | 112.3 (13.8) | 112.0 (12.6) | 110.1 (16.4) | F(3,195) = 0.29, p = .83 |
| TOMAL2 verbala | 113.2 (16.9) | 113.6 (14.7) | 111.0 (13.8) | 106.5 (16.6) | F(3,195) = 1.82, p = .15 |
| TOMAL2 non-verbala | 109.5 (17.6) | 108.1 (15.6) | 110.2 (14.9) | 111.6 (20.0) | F(3,195) = 0.30, p = .83 |
| BPVS-3a | 94.4 (13.4) | 93.9 (12.9) | 94.6 (13.9) | 87.9 (14.9) | F(3,195) = 2.26, p = .08 |
| ELT-2 sequencinga | 109.4 (9.1) | 107.5 (9.2) | 111.6 (8.5) | 109.4 (6.5) | F(3,195) = 1.73, p = .17 |
| ELT-2 grammar & syntaxa | 106.6 (10.7) | 106.5 (10.3) | 108.6 (9.1) | 103.7 (10.8) | F(3,194) = 1.53, p = .21 |
| CELF-4 recalling sentencesb | 10.4 (3.2) | 11.6 (2.3) | 11.2 (2.9) | 10.8 (3.1) | F(3,195) = 1.80, p = .15 |
| CELF-4 Formulated sentencesb | 9.3 (3.3) | 10.1 (2.9) | 10.5 (2.8) | 9.1 (3.2) | F(3,195) = 2.12, p = .10 |
| TEA-Ch sky searchb | 9.5 (2.5) | 9.0 (2.8) | 9.0 (2.7) | 9.2 (3.3) | F(3,195) = 0.35, p = .79 |
| TEA-Ch score!b | 9.0 (3.4) | 9.1 (3.4) | 9.3 (3.8) | 9.3 (3.6) | F(3,195) = 0.10, p = .96 |
| TEA-Ch dual taskb | 6.6 (3.7) | 6.6 (3.6) | 6.1 (3.8) | 5.4 (3.6) | F(3,195) = 1.10, p = .35 |
| Brief interview total correct | 32.2 (15.4) | 35.4 (14.2) | 32.9 (15.9) | 41.6 (12.6) | *F
(3,195) = 3.68, p = .013
RI > BP |
*p < .05, **p < .01
aStandardised scores (mean 100, SD 15)
bScaled scores (mean 10 SD 3)