Table 4.

Diffusion MRI data analysis sample

	Training	Control	${\chi }^2$ Test or two-sample t test
	Mean (SD)	Mean (SD)	${\chi }^2$1 or t(54)	p	φ or Cohen's d	BF
Female to male ratio	22:21	7:6	<0.01	>0.999	<0.01	0.28
Age	8.21 (0.64)	8.39 (0.56)	0.92	0.360	0.29	0.43
WASI
Verbal IQ	109.35 (12.85)	109.15 (12.12)	−0.05	0.962	−0.02	0.31
Performance IQ	103.95 (14.05)	106.23 (11.48)	0.53	0.597	0.17	0.35
Full-scale IQ	107.30 (12.82)	108.54 (10.37)	0.32	0.752	0.10	0.32
WJ-III
Math fluency	97.67 (11.66)	101.77 (8.76)	1.17	0.248	0.37	0.53
Calculation	105.26 (13.41)	107.77 (12.09)	0.61	0.548	0.19	0.36
Applied problems	103.88 (12.08)	109.85 (10.16)	1.61	0.113	0.51	0.86
Letter-word identification	108.93 (9.13)	111.00 (8.42)	0.73	0.469	0.23	0.38
Word attack	106.58 (9.65)	106.38 (6.32)	−0.07	0.945	−0.02	0.31

Time 1 demographics and neuropsychological measures of 4 week number sense training (training) and no-contact control (control) groups.