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. Author manuscript; available in PMC: 2011 Mar 1.
Published in final edited form as: Neuropsychologia. 2009 Nov 17;48(4):909–920. doi: 10.1016/j.neuropsychologia.2009.11.010

Table 9.

Coefficients resulting from the stepwise multiple regression of STM composite measures onto phonological (top) and semantic (bottom) interference. In both models, interference difference score is derived from the Related-1 condition.

Regression of STM onto Phonological Interference
Step 1 B SE of B β
 Phonological Comp −5.98 2.02 −.57*
R2 = .33, F(1,18) = 8.78, p = .008
Step 2 B SE of B β
 Phonological Comp −5.85 2.05 −.56*
 Semantic Comp 1.64 2.10 .15
Adjusted R2 = .27, FΔ(1,17) = .61, p = .45
Regression of STM onto Semantic Interference
Step 1 B SE of B β
 Semantic Comp −6.72 2.48 −.54*
R2 = .29, F(1,18) = 7.33, p = .01
Step 2 B SE of B β
 Semantic Comp −7.06 2.33 −.57*
 Phonological Comp −4.30 2.26 −.35
Adjusted R2 = .33, FΔ(1,17) = 3.61, p = .08
*

p ≤ .05.