Table 7.

Contextual analysis results on variables from storage-and-processing tasks, Study 1.

	Age		Reference Constructs
Variable	Total	Unique	Gf	Mem	Speed	Voc	%Var
Operation Span Storage	−.33*	.03	.40*	.07	.20*	.03	36.3
Operation Span Processing	.23*	.08	−.37*	−.11	.04	−.19*	31.9
Symmetry Span Storage	−.50*	−.10	.71*	−.05	.01	−.13*	51.1
Symmetry Span Processing	.21*	−.01	−.69*	.08	.15	−.06	32.5
Age 18–39
Operation Span Storage	.09	−.05	.37*	.02	.19	−.03	25.1
Operation Span Processing	−.13	.06	−.17	−.14	−.13	−.19	25.5
Symmetry Span Storage	−.26*	−.14	.61*	−.10	.14	−.10	39.3
Symmetry Span Processing	.08	.01	−.56*	.08	.06	−.05	27.1
Age 40–59
Operation Span Storage	.03	.00	.33*	.08	.11	.15	30.2
Operation Span Processing	−.07	−.04	−.52*	−.09	.21	.01	25.1
Symmetry Span Storage	−.07	−.06	.68*	−.10	−.04	−.02	35.9
Symmetry Span Processing	.05	.10	−.60*	.08	.14	−.11	32.4
Age 60–98
Operation Span Storage	−.28*	.03	.41*	.06	.20	−.05	32.9
Operation Span Processing	.31*	.06	−.35*	−.06	.07	−.34*	43.3
Symmetry Span Storage	−.24*	.10	.69*	.11	.04	−.23*	38.5
Symmetry Span Processing	.21*	−.03	−.73*	.11	.15	−.06	34.6
Age-Partialled
Operation Span Storage	--	--	.32*	.06	.16*	.03	36.2
Operation Span Processing	--	--	−.30*	−.11	.03	−.18*	31.9
Symmetry Span Storage	--	--	.58*	−.04	.01	−.11	50.8
Symmetry Span Processing	--	--	−.57*	.06	.11	−.06	32.4

^*Note: p<.01. The values in the “Total” column are simple correlation coefficients and those in the other columns are standardized regression coefficients predicting the target variable from age and the reference constructs. The “%Var.” column contains the percentage of variance in the target variable accounted for by age and the four reference constructs.