Table 1.
Descriptive statistics M(SD) for parent pointing, child pointing, and child MB-CDI vocabulary at each visit for the intervention and control groups (N=47 total).
| 10 months | 12 months | 14 months | 16 months | 18 months | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Control | Intervention | Control | Intervention | Control | Intervention | Control | Intervention | Control | Intervention | |
| Parent Pointing | ||||||||||
| Tokens | 22.54 (15.90) | 18.13 (10.67) | 28.86 (20.69) | 41.00 (19.19) | 36.73 (22.70) | 40.67 (17.09) | 39.33 (26.82) | 42.48 (20.26) | 36.62 (22.16) | 40.65 (21.51) |
| Types | 10.04 (5.03) | 8.48 (4.16) | 13.82 (8.61) | 18.52 (6.72) | 16.18 (8.57) | 16.86 (5.53) | 19.10 (9.04) | 20.76 (7.77) | 16.57 (7.35) | 18.00 (7.23) |
| Child Pointing | ||||||||||
| Tokens | 0.67 (1.46) | 2.13 (5.15) | 0.95 (1.81) | 3.70 (3.95) | 10.18 (15.48) | 7.10 (7.10) | 8.90 (10.96) | 8.24 (7.83) | 14.62 (18.44) | 9.35 (6.02) |
| Types | 0.50 (1.14) | 1.22 (2.29) | 0.77 (1.54) | 2.83 (2.99) | 3.68 (3.62) | 3.48 (2.89) | 5.67 (4.56) | 5.52 (5.15) | 6.81 (6.79) | 5.30 (3.28) |
| CDI-Comp | 9.36 (8.73) | 8.50 (7.17) | 20.10 (13.76) | 22.23 (11.98) | 29.70 (15.72) | 37.76 (16.99) | 43.80 (21.76) | 42.85 (19.94) | 56.81 (19.20) | 61.95 (20.43) |
| CDI-Prod | 1.00 (1.51) | 0.65 (0.94) | 3.50 (3.47) | 2.61 (3.14) | 8.45 (8.02) | 6.29 (6.08) | 12.35 (11.72) | 12.76 (11.83) | 25.00 (20.69) | 31.11 (19.98) |