Table 2.

Analyses of differences between the study sample and the comparison samples: effect size with confidence intervals, percentiles, Pearson’s correlation, Student’s t, degrees of freedom, and p. “Across sexes” denotes the female study sample vs. the male comparison samples.

		Cohen’s d	d lower CI	d upper CI	Percentile	r	t	df	p
Right hand, women	Study sample vs. Troche et al. (2007)	1.645	1.093	2.200	95.00	0.791	7.805	69.88	<0.000001
	Study sample vs. aggregate sample	0.692	0.299	1.084	75.55	0.036	6.593	24.47	<0.000001
Left hand, women	Study sample vs. Troche et al. (2007)	1.200	0.678	1.720	88.50	0.577	5.165	57.52	0.000002
	Study sample vs. aggregate sample	0.605	0.213	0.998	72.75	0.036	4.171	24.26	0.00016
Right hand, across sexes	Study sample vs. Troche et al. (2007)	0.646	0.151	1.141	74.09	0.311	3.176	70.96	0.00102
	Study sample vs. aggregate sample	0.183	-0.209	0.576	57.30	0.010	1.810	24.59	0.0419
Left hand, across sexes	Study sample vs. Troche et al. (2007)	0.532	0.041	1.023	70.27	0.256	2.401	64.34	0.0096
	Study sample vs. aggregate sample	0.166	-0.226	0.558	56.59	0.095	1.179	24.32	0.1247
Directiveness, women	Study sample vs. Ray and Lovejoy (1984)	2.605	2.078	3.132	99.54	0.963	10.763	30.26	<0.000001
Directiveness, across sexes		2.621	2.053	3.187	96.56	0.996	10.225	32.14	<0.000001