Table 1.

Descriptive Statistics

Task	N	M	SD	Minimum	Maximum	Skewness	Kurtosis	Reliability
Antisaccade	748	0.62	0.16	0.20	0.96	−0.13	−0.67	0.90 b
Stop Signal	735	215 ms	30	116	315	−0.23	0.24	0.63 b
Stroop	737	156 ms	74	−73	387	0.71	0.70	0.96 c
Keep Track	749	0.72	0.09	0.44	0.96	−0.36	0.10	0.66 b
Letter Memory	749	0.70	0.13	0.38	0.10	0.22	−0.64	0.92 b
Spatial N-Back a	749	−0.01	0.91	−2.74	2.70	−0.31	−0.04	0.75 c
SC- Number Letter	748	246 ms	157	−241	735	0.91	0.91	0.91 c
SC- Color Shape	743	221 ms	181	−239	792	1.05	1.18	0.90 c
SC- Category	747	198 ms	161	−81	735	1.14	1.27	0.94 c
MC- Number Letter	748	69 ms	103	−259	399	0.83	1.25	0.92 c
MC- Color Shape	743	263 ms	151	−143	726	0.85	0.52	0.95 c
MC- Category	747	50 ms	85	−230	333	0.77	1.35	0.91 c
MR- Number Letter	748	742 ms	138	469	1177	0.95	1.09	0.97 c
MR- Color Shape	743	705 ms	172	373	1228	0.72	0.16	0.97 c
MR- Category	747	703 ms	128	457	1114	0.99	0.82	0.98 c
SR- Number Letter	748	673 ms	97	451	973	0.82	0.68	0.98 c
SR- Color Shape	743	441 ms	68	302	667	0.97	0.83	0.98 c
SR- Category	747	652 ms	91	460	937	0.94	0.88	0.97 c

Note. SC = Switch cost, MC = Mixing cost, MR = Mixed block repeat RT, SR = Single block repeat RT.

^aAverage of z-scores for the arsine transformed 2- and 3-back tasks.

^bInternal reliability was calculated using Cronbach’s alpha.

^cInternal reliability was calculated by adjusting split-half or part1–part2 correlations with the Spearman-Brown prophecy formula.