. Author manuscript; available in PMC: 2010 Aug 2.

Published in final edited form as: J Exp Child Psychol. 2005 Aug;91(4):315–341. doi: 10.1016/j.jecp.2005.03.008

Table 5.

Regression results predicting children's proportion of incorrect responses to specific questions

Step and predictor	ΔR²	Standardized βs

		Step 1	Step 2	Step 3
Step 1	.134^**
Age in months		−0.015	0.083	0.076
Vocabulary scores		−0.335^**	−0.210^†	−0.187^†
Social support		−0.160	−0.115	−0.115
Step 2	.114^**
Recall		—	−0.238^*	−0.228^*
Yield 1		—	0.276^*	1.080^**
Shift		—	−0.056	−0.519
Step 3	.075^*
Social Support × Yield 1		—	—	−0.884^**
Social Support × Shift		—	—	0.501

Note. Model summary at Step 2: F change (3,86) = 4.333, p < .01, adjusted R² = .195. Model summary at Step 3: F change (2,84) = 4.684, p < .05, adjusted R² = .259.

p < .05.

^**

p < .01.

^†

p < .10.