TABLE 3.

Hierarchical linear regression models predicting ordinal and cardinal finger-based representations.

	Ordinal finger-based representation					Cardinal finger-based representation
Variable	B	SE B	β	R2	ρR2	B	SE B	β	R2	ρR2
Step 1				0.056	0.056				0.066	0.066
Dexterity	0.232	0.141	0.188			0.287	0.146	0.221
Graphomotor skill	–0.182	0.111	–0.188			–0.186	0.115	–0.183
Step 2				0.525**	0.469**				0.546**	0.480**
Dexterity	0.220	0.101	0.178*			0.270	0.103	0.209*
Graphomotor skill	–0.023	0.081	–0.023			–0.015	0.083	–0.015
Age in months	0.211	0.025	0.704**			0.224	0.025	0.712**
Step 3				0.593**	0.068*				0.608***	0.062*
Dexterity	0.124	0.105	0.101			0.185	0.107	0.143
Graphomotor skill	–0.035	0.078	–0.036			–0.026	0.080	–0.026
Age in months	0.138	0.032	0.463**			0.149	0.033	0.475**
Working memory (forward span)	0.128	0.273	0.045			0.262	0.279	0.087
Working memory (backward span)	0.441	0.189	0.236*			0.397	0.193	0.202*
Nonverbal intelligence	0.093	0.064	0.146			0.090	0.066	0.134

* = p < 0.05, ** = p < 0.01.