. Author manuscript; available in PMC: 2014 Jul 24.

Published in final edited form as: Remedial Spec Educ. 2010 Dec 20;33(3):150–161. doi: 10.1177/0741932510392053

Table 4.

Standard Multiple Regression of Personal, Experiential/Instructional, Dispositional, and Knowledge Variables on Student’s Self-Determination (SDS)

Variables	Zero-Order Correlation between each predictors and Arc’s SD (p)	B	B	sr² (unique)
Age	.089 (.127)	1.724	.069	.004
Gender	.153^** (.024)	2.597	.055	.003
Approximate IQ group	.085 (.136)	−.155	−.005	.000
Self-Efficacy	.513^*** (.000)	1.101^***	.331	.043
Outcome-Expectancy	.452^*** (.000)	.441	.130	.007
# Completed WF chapter	.212^*** (.003)	1.255^*	.122	.014
RR Intervention	−.091 (.121)	−.134	−.003	.000
WF knowledge test	.306^*** (.000)	.225^**	.172	.023
R² = .32^a
Adjusted R² = .29
R = .57^***

Note. Dependent Variable: the Arc’s Self-Determination Scale score; RR: Rocket Reader; WF: Whose Future Is It Anyway?; Gender: 1- Male, 2 - Female; RR intervention: 1- No, 2 – Yes.

p <.10,

^**

p<.05,

^***

p<.01

Unique variability = .07; shared variability = .25.