Table 3.

Descriptive Statistics of M-WCST Scores, M (SD), on the First Test Half (N = 137).

		Odd/even trials		First/Second Test Halves
	All trials (1, 2, . . ., 24)	Odd trials (1, 3, . . ., 23)	Even trials (2,4, . . ., 24)	First (trial 1-12)	Second (trial 13-24)
n_corr	12.25 (5.60)	6.08 (2.86)	6.17 (2.88)	6.14 (3.13)	6.11 (3.50)
n_cat	1.42 (0.98)	0.71 (0.49)	0.71 (0.49)	0.77 (0.57)	0.65 (0.61)
n_PE	4.67 (5.09)	2.20 (2.51)	2.47 (2.73)	2.19 (2.69)	2.48 (2.85)
n_SE	1.28 (1.50)	0.55 (0.90)	0.72 (1.10)	0.54 (0.80)	0.74 (1.01)
n_poss_PE	11.23 (5.34)	5.31 (2.62)	5.92 (2.86)	5.42 (2.85)	5.81 (3.47)
n_poss_SE	11.77 (5.34)	5.69 (2.62)	6.08 (2.86)	5.58 (2.85)	6.19 (3.47)

Note. M-WCST = Modified Wisconsin Card Sorting Test; n_corr = number of correct sorts; n_cat = number of categories; n_PE = number of perseveration errors; n_SE = number of set-loss errors; n_poss_PE = number of perseveration errors possible; n_poss_SE = number of set-loss errors possible.