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. Author manuscript; available in PMC: 2017 Jan 22.

Published in final edited form as: Vis cogn. 2016 Jan 22;23(8):957–988. doi: 10.1080/13506285.2015.1132803

Table 3.

Means and Standard Deviations of Participants' Demographic Information and Test Scores, Experiment 2

	Younger^a		Older^b

Variable	M	SD	M	SD
Age (years)	19.2	1.5	70.2	6.6
Acuity	20/20	1.2	20/29	1.7
Digit Span	17.9	3.4	17.0	4.1
Spatial Span	18.0	3.1	12.9	2.7
Digit Symbol Coding	91.2	14.0	62.7	16.1

^a

n=28 (22 female, 6 male)

^b

n= 28 (15 female, 13 male)