Age-related decline in cognitive control: the role of fluid intelligence and processing speed

Table 7 Results from hierarchical linear regressions

A	*Model*	*Step*	*Predictors*	R ²	*Adjusted R* ²	SE	ΔR ²	ΔF	p	β
	1. A	1	Age groups	0.069	0.063	0.049	0.069	11.684	0.001	0.262
	2. A	1	Fluid intelligence & processing speed	0.097	0.086	0.048	0.097	8.478	0.000	−0.247
	2. A	1	Fluid intelligence & processing speed	0.097	0.086	0.048	0.097	8.478	0.000	0.03
		2	Age groups	0.107	0.09	0.048	0.009	1.638	0.202	0.143
B	*Model*	*Step*	*Predictors*	R ²	*Adjusted R* ²	SE	ΔR ²	ΔF	p	β
	1. B	1	Fluid intelligence & processing speed	0.097	0.086	0.048	0.097	8.478	0.000	−0.27
	1. B	1	Fluid intelligence & processing speed	0.097	0.086	0.048	0.097	8.478	0.000	−0.059
	2. B	1	Age groups	0.069	0.063	0.049	0.069	11.684	0.001	0.143
		2	Fluid intelligence & processing speed	0.107	0.09	0.048	0.038	3.319	0.039	−0.247
										0.03

A) Results from the hierarchical linear regressions performed on the high-interference condition to investigate the age-related influence on interference sensitivity after controlling for cognitive resources. B) Results from the hierarchical linear regressions performed on the high-interference condition to investigate the cognitive resources-related influence on interference sensitivity after controlling for age.

ISSN: 1471-2202