Table 2.

Correlations between all model variables (N = 30).

	1	2	3	4
(1) Age of independent walking
(2) Exploration through self-locomotion	-0.46∗
(3) Total score productive spatial language	-0.06	0.42∗
(4) Receptive vocabulary	0.12	0.20	0.71∗∗∗
(5) Total score grammatical and lexical categories	-0.04	0.14	0.26	0.34†

^†p ≤ 0.10, ^∗p ≤ 0.05, ^∗∗∗p ≤ 0.001.