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. Author manuscript; available in PMC: 2009 Oct 5.
Published in final edited form as: J Abnorm Child Psychol. 2002 Feb;30(1):37–52.

Table VII.

Hierarchical Multiple Regression Analyses for Special Education Involvement, Within the Intervention Condition

Variable SRC Adjusted R2 at Step
Step 1. Covariate
Step 2. Add child behavior .03
Hyperactivity .18***
Step 3. Add child cognitive .04
Hyperactivity .17**
Cognitive ability −.04
Reading achievement −.09
Step 4. Add parent and family
Step 5. Add demographic .06
Hyperactivity .14*
Cognitive ability −.06
Reading achievement .06
Gender .12*

Note. SRC: Standardized regression coefficient.

*

p < .05.

**

p < .01.

***

p < .001.