Table 4.

Summary of results by task and age.

	Overall		6 months		12 months		Age Effect (12 months vs 6 months)
Tasks	Model Estimated Mean (95% CI)1	p1	Model Estimated Mean (95% CI)1	p1	Model Estimated Mean (95% CI)1	p1	Model Estimated Mean Difference (95% CI)2	p2
Geo-Social Attention	0.55 (.50, .61)	0.071	0.51 (0.44, 0.57)	0.819	0.59 (0.53, 0.66)	0.006	0.09 (0.01, 0.16)	0.025
VPC Social (face) trials	0.55 (0.52, 0.58)	< 0.001	0.52 (0.49, 0.56)	0.157	0.57 (0.53, 0.61)	< 0.001	0.05 (0.00, 0.10)	0.052
VPC Non-social (fribbles) trials	0.54 (0.51, 0.57)	0.004	0.53 (0.49, 0.56)	0.124	0.55 (0.51, 0.59)	0.007	0.02 (−0.03, 0.07)	0.343
AV Synchrony Social trials	0.50 (0.47, 0.54)	0.994	0.50 (0.45, 0.55)	0.946	0.50 (0.45, 0.55)	0.956	−0.00 (−0.07, 0.07)	0.931
AV Synchrony Non-social trials	0.51 (0.47, 0.54)	0.617	0.50 (0.45, 0.55)	0.900	0.52 (0.47, 0.57)	0.565	0.01 (−0.06, 0.08)	0.746
Prediction Block 1	0.51 (0.39, 0.63)	0.86	0.45 (0.29, 0.61)	0.55	0.57 (0.39, 0.76)	0.45	0.12 (−0.12, 0.36)	0.34
Prediction Block 2	0.68 (0.55, 0.80)	0.01	0.58 (0.42, 0.74)	0.34	0.78 (0.59, 0.97)	< 0.001	0.20 (−0.05, 0.45)	0.12
Numeracy 5-item constant stream	0.62 (0.52, 0.73)	0.023	0.56 (0.44, 0.67)	0.354	0.69 (0.52, 0.86)	0.027	0.134 (−0.06, 0.33)	0.183
Numeracy 20-item constant	0.57 (0.50, 0.64)	0.062	0.54 (0.45, 0.63)	0.414	0.60 (0.50, 0.70)	0.044	0.06 (−0.06, 0.18)	0.328
Helper/Hinderer	0.52 (0.47, 0.56)	0.503	0.53 (0.47, 0.59)	0.329	0.50 (0.44, 0.56)	0.99	−0.03 (−0.12, 0.06)	0.492
Word comprehension	0 (−0.07, 0.07)	0.999	−0.05 (−0.14, 0.03)	0.191	0.05 (−0.04, 0.14)	0.235	0.11 (0.00, 0.22)	0.044

¹H₀ = 50.0

²H₀ = 0.0

CI = Confidence Interval