Table 1.

Sample and Demographic Variables

Variable	ADHD (N=55)		Non-ADHD (N=81)		Cohen’s d	BF10	BF01	p
	M	SD	M	SD
Gender (Boys/Girls)	34/21		38/43		--		1.10	.09, ns
Ethnicity (AA/A/C/H/M)	9/0/39/4/3		9/7/45/10/10		--		2.29	.06, ns
Age	10.18	1.40	10.51	1.37	−0.24		2.34	.18, ns
SES	46.92	12.38	48.27	12.35	−0.11		4.48	.53, ns
FSIQ	102.75	14.65	108.02	12.06	−0.40	2.00		.02
BASC-2/3 Attention Problems (T-score)
Parent	66.07	8.16	53.94	10.79	1.24	1.02 x 108		<.001
Teacher	63.11	9.05	54.88	11.35	0.82	154.99		<.001
BASC-2 Hyperactivity (T-score)
Parent	67.31	12.30	53.60	10.30	1.23	8.30 x 107		<.001
Teacher	61.91	14.85	53.93	12.88	0.57	5.76		.007
Executive Function Component Scores (Z-scores)
Working Memory	−0.69	0.95	0.47	0.73	−1.41	1.64 x 1010		<.001
Inhibitory Control	−0.34	1.09	0.23	0.87	−0.60	33.51		<.001
Set Shifting	−0.27	1.32	0.18	0.65	−0.46	4.29		.009

Note. P-values are not corrected for family-wise error, and are included for illustrative purposes to allow interested readers to compare Bayesian and frequentist results. BF₁₀ = Bayes Factor for the alternative hypothesis over the null hypothesis (values ≥ 3.0 indicate significant between-group differences). BF₀₁ = Bayes Factor for the null hypothesis over the alternative hypothesis (values ≥ 3.0 indicate significant between-group equivalence; BF₀₁ = 1/ BF₁₀). BASC = Behavior Assessment System for Children. Teacher BASC data were not collected for the n=40 Non-ADHD children who received the abbreviated screening evaluation (Non-ADHD n=41 for BASC teacher comparisons). Ethnicity: AA = African American, A = Asian, C = Caucasian Non-Hispanic, H = Hispanic, M = Multiracial