TABLE 2.

Correlations among all variables at kindergarten and grade one.

Variables	1	2	3	4	5	6	7	8	9	10
1. T1 nonverbal IQ	—
2. T1 inhibitory control	−0.32***	—
3. T1 sustained attention	−0.25**	0.41***	—
4. T1 visual processing	−0.24*	0.10	0.17	—
5. T1 character reading	0.30**	–0.11	−0.23*	−0.23*	—
6. T1 calculation	0.35***	–0.19	−0.23*	−0.24**	0.35***	—
7. T1 word problems	0.36***	−0.30**	−0.24*	−0.23*	0.27**	0.55***	—
8. T2 word problems	0.22	–0.02	−0.32**	−0.35**	0.06	0.20	0.26*	—
9. T2 calculation	0.36**	–0.13	–0.21	−0.24*	0.42***	0.51***	0.21	0.21	—
10. T2 character reading	0.33**	–0.13	–0.18	−0.32**	0.76***	0.38***	0.26*	0.17	0.39***	—

T1, senior kindergarten; T2, grade one. ***p < 0.001; **p < 0.01; *p < 0.05.