Table 1.

Correlations between executive function and play measures

Combined Group
Measure	T1 Play	T2 EF	T2 Play	T1 Verbal	T1 NV	T2 Verbal	T2 NV
Time 1 EF	.20	.30*	.30*	.34**	.35**	.32**	.31**
Time 1 Play		.31**	.53***	.30*	.35**	.34**	.40***
Time 2 EF			.36**	.47***	.45***	.51***	.54***
Time 2 Play				.17	.27*	.26*	.46***

^*≤ .05,

^**≤ .01,

^***≤ .001

Note: T1 Verbal and NV are the verbal and nonverbal Mullen IQ scores. T2 Verbal and NV are the verbal and nonverbal DAS composite scores.