. Author manuscript; available in PMC: 2013 Jul 9.

Published in final edited form as: Behav Res Methods. 2012 Mar;44(1):110–123. doi: 10.3758/s13428-011-0096-6

Table 2.

Wisconsin (Berg) Card Sort Test behavior in children (ages, 7–12; N = 71), adolescents (ages, 13–19; N = 63), early adults (ages, 20–49; N = 82), and late adults (ages, 50–89; N = 30)

	Children	Adolescents	Early Adults	Late Adults
Complete 1st category (trials)	28.5 (2.6)^a	25.1 (2.7)	23.3 (2.6)	19.0 (2.3)
Trials (% with <128)	1.4%	6.3%^c	30.5%^b ^a	3.3%
% Correct	68.1 (1.5)	71.9 (1.7)^a	73.2 (1.6)^a	63.8 (2.6)
% Nonperseverativeerrors	15.5 (1.4)	12.2 (1.3)	12.2 (1.3)	16.6 (2.6)
% Unique errors	2.1 (0.4)	1.5 (0.3)	1.0 (0.3)	1.6 (0.4)

p < .01 versus late adults;

p < .0005 versus children;

p < .0005 versus early adults