. Author manuscript; available in PMC: 2013 Nov 25.

Published in final edited form as: Brain Cogn. 2006 Oct 31;63(3):10.1016/j.bandc.2006.09.006. doi: 10.1016/j.bandc.2006.09.006

Table 4.

Standardized coefficients relating age and cognitive abilities to individual variables

Variable	Total age	Unique age	Cognitive ability				R²

			gF	Mem	Speed	Voc
Mazes
Trace	.28^*	−.11	−.07	−.24^*	−.35^*	.07	.21
Solve	.52^*	.15	−.25^*	−.01	−.31^*	.14^*	.38
Difference	.45^*	.21^*	−.24^*	.09	−.19^*	.12	.28
Ratio	.26^*	.25^*	−.21^*	.17	.08	.13	.14
Zoo trip
Errors	.20^*	.13	−.00	−.17	.01	−.01	.06
Inefficiency	.23^*	.02	−.32^*	−.11	−.06	−.08	.15

p < .01.