. Author manuscript; available in PMC: 2011 Jan 1.

Published in final edited form as: Am J Intellect Dev Disabil. 2010 Jan 11;115(4):307–326. doi: 10.1352/1944-7558-115.4.307

Table 6.

Hierarchical Regression Predicting ADI-R Reciprocal Social Interaction Domain Current Total Score

	B	SE B	β	semipartial
Step 1
Constant	6.61	.66
FMRP	− 6.24	2.35	− .39^**	− .38
Step 2
Constant	10.40	2.05
FMRP	− 2.47	2.99	− .15	− .12
Nonverbal IQ	− .09	.04	− .36	− .27

Note: R² = .15 for Step 1, ΔR² = .08 for Step 2.

*p<.05

^**

p<.01