Table 5.

Pearson correlations between PSAI and right and left 2D:4D at T1–T4 and Fisher’s z-tests

	Boys			Girls			Fisher’s z-test
	r	p	N	r	p	N	z	p
T1: Right hand	.08	.308	46	− .39	.005**	43	2.24	.013*
T1: Left hand	− .01	.481	47	− .34	.005**	56	1.69	.046*
T2: Right hand	.13	.225	37	.02	.448	37	0.46	.324
T2: Left hand	.14	.175	45	− .29	.029*	45	2.01	.022*
T3: Right hand	− .05	.382	36	− .21	.093	43	0.69	.244
T3: Left hand	.15	.190	38	− .43	.002**	43	2.64	.004**
T4: Right hand	− .20	.069	55	− .34	.003**	63	0.80	.212
T4: Left hand	− .20	.063	58	− .27	.017*	64	0.40	.345

T1: age 5 months, T2: age 9 months, T3: age 20 months, T4: age 40 months

*p < .05, one-tailed; **p < .01, one-tailed