Skip to main content

View full-text article in PMC

. Author manuscript; available in PMC: 2009 Mar 11.

Published in final edited form as: Child Dev. 2007;78(3):938–954. doi: 10.1111/j.1467-8624.2007.01042.x

Table 5.

Regression Analyses of Predictors of the 24-Month Reynell Receptive Language Outcomes (n = 72)

Steps and variables	R	Adjusted R²	β	F change
Step 1 (df 4/67)	.53^**	.28
RJA 9 months			.30^**
IJA 9 months			.07
RJA 12 months			.13
IJA 18 months			.31^*
Step 2 (df 5/66)	.57^**	.32		5.81^**
RJA 9 months			.31^**
IJA 9 months			.10
RJA 12 months			.06
IJA 18 months			.30^**
Bayley MDI 12 months			.23^*
Step 3 (df 6/65)	.63^**	.39		6.45^**
RJA 9 months			.22^*
IJA 9 months			.07
RJA 12 months			.07
IJA 18 months			.24^*
Bayley MDI 12 months			.06
Bayley MDI 18 months			.33^**

Note. IJA = initiating joint attention; MDI = Mental Developmental Index; RJA = responding to joint attention.

^*

p < .05;

^**

p < .025.