Table 5.

Results of multiple regression analyses including each dimension of child temperament, syntactic complexity, and their interaction as regressors (controlling for caregiver education).

Estimating Child Receptive Language from Effortful Control and Caregiver Syntactic Complexity
Regressors	β	SE	t
(Constant)	−14.31*	4.43	−3.23
Caregiver Education (Covariate)	.15*	.07	2.34
Effortful Control	2.01*	.87	2.31
Syntactic Complexity	2.64*	.99	2.68
Effortful Control x Syntactic Complexity	−.39	.19	−2.00
Model Summary	R2 = .55, F(4, 54) = 14.94, p < .001**
Estimating Child Receptive Language from Negative Affectivity and Caregiver Syntactic Complexity
Regressors	β	SE	t
(Constant)	−6.08	3.19	−1.91
Caregiver Education (Covariate)	.13	.07	1.81
Negative Affectivity	.45	.78	.58
Syntactic Complexity	1.23	.66	1.86
Negative Affectivity x Syntactic Complexity	−.12	.17	−.71
Model Summary	R2 = .46, F(4, 54) = 11.68, p < .001**
Estimating Child Receptive Language from Surgency-Extraversion and Caregiver Syntactic Complexity
Regressors	β	SE	t
(Constant)	2.19	2.85	.77
Caregiver Education (Covariate)	.16*	.07	2.36
Surgency-Extraversion	−1.49*	.62	−2.41
Syntactic Complexity	−.71	.62	−1.13
Surgency-Extraversion x Syntactic Complexity	.33*	.14	2.42
Model Summary	R2 = .51, F(4, 54) = 13.91, p < .001**

Note:

^*p <.05,

^**p<.001