Table 4.

Test re-test reliability for N=89 participants (unless otherwise indicated) on NIHTB-CB tests and practice effects on NIHTB-CB tests and gold standard measures. All mean scores are unadjusted scaled scores.

NIHTB-CB Test	ICC for test-retest reliability	Time 1 Mean (SD)	Time 2 Mean (SD)	t-test	p-value	Effect Size
		Pattern Comparison Processing Speed	0.73				10.3 (2.9)	10.8 (2.8)	2.30	0.024	0.18
Vocabulary	0.80	9.8 (3.0)	10.1 (3.0)	1.20	0.232	0.08
Reading	0.90	9.9 (3.0)	10.0 (3.3)	0.67	0.505	0.03
Picture Sequence Memory Test	0.84	10.2 (2.9)	11.4 (3.0)	6.96	<0.001	0.42
List Sorting	0.77	10.0 (2.9)	10.8 (3.1)	3.95	<0.001	0.27
DCCS (n=78)	0.81	9.8 (2.9)	10.7 (3.0)	5.24	<0.001	0.33
Flanker (n=73)	0.83	10.0 (3.0)	10.8 (3.3)	3.90	<0.001	0.27

Gold Standard Tests For Construct Validity	Time 1 Mean (SD)	Time 2 Mean (SD)	t-test	p-value	Effect Size
	WAIS-IV Coding (n=88)	10.0 (2.8)				11.0 (3.1)	6.14	<0.001	0.35
WAIS-IV Symbol Search	10.0 (2.9)	11.0 (2.9)	5.55	<0.001	0.35
Average of Coding and Symbol Search	10.0 (2.8)	11.1 (3.1)	6.65	<0.001	0.39
PPVT	9.8 (3.0)	10.0 (2.9)	1.30	0.196	0.06
WRAT-4 Reading	9.8 (3.0)	10.1 (3.0)	1.81	0.073	0.11
BVMT-R (n=88)	10.3 (3.2)	11.6 (3.3)	6.19	<0.001	0.41
RAVLT (n=87)	10.1 (3.2)	11.7 (3.8)	7.61	<0.001	0.51
Average BVMT and RAVLT	10.2 (3.2)	11.8 (3.6)	8.28	<0.001	0.49
WAIS-IV Letter-Number Seq (n=88)	9.9 (2.7)	10.4 (3.0)	2.59	0.011	0.18
PASAT (n=85)	9.9 (2.7)	10.7 (2.8)	4.49	<0.001	0.28
D-KEFS Inhibition (n=88)	10.0 (3.0)	10.8 (3.2)	5.40	<0.001	0.27

BVMT-R: Brief Visuospatial Memory Test-Revised; DCCS: Dimensional Change Card Sort Test;D-KEFS: Delis-Kaplan Executive Function System; PASAT: Paced Auditory Serial Addition Test; PPVT: Peabody Picture Vocabulary Test; RAVLT: Rey Auditory Verbal Learning Test; Seq: Sequencing; WAIS-IV: Wechsler Adult Intelligence Scale, 4^th edition; WRAT-4: Wide Range Achievement Test, fourth edition