Table II.

Correlation among behavioral variables

	PTT motor speed	PTT accuracy	PTT motor planning	AS task	IQ estimate
Complex left task	−0.017	−0.414*	−0.550**	−0.438*	0.038
PTT motor speed		−0.653**	0.492*	0.097	−0.558**
PTT accuracy			0.173	0.267	0.153
PTT motor planning				0.549**	−0.343
AS task					−0.325

PTT, Push‐Turn‐Taptap task; AS, alphanumeric sequencing.

**P= 0.001, *P = < 0.05, one tailed.