Table 2.

Comparision of means for TMT-A, TMT-B, d2-letter cancellation test, iCNV-amplitude and habituation of iCNV

Sample (n = 33)	Mdiff	SDdiff	t	df	sig. (one-tailed)
TMT-A in seconds t1– t2	2.51	8.06	1.79	32	.04*
TMT-A in percentile rank t1– t2	−10.00	27.39	−2.10	32	.02*
TMT-B in seconds t1 – t2	10.81	18.88	3.30	32	.00*
TMT-B in percentile rank t1 – t2	−18.94	26.69	−4.08	32	.00*
Total number of finished items t1– t2	−35.79	76.70	−2.68	32	.01*
Total number of finished items less the number of mistakes t1– t2	−21.09	43.33	−2.80	32	.01*
Total number of mistakes t1 – t2	-.64	10.46	-.35	32	.37
iCNV	-.75	2.11	−1.98	30	.03*
Habituation	-.38	.95	−2.21	30	.02*

n.s. = non-significant, M_Diff = difference in means; SD_Diff = difference in standard deviation; t = t-Wert; df = degrees of freedom; sig. = significance; *p < ,05;.