TABLE 2.

Correlations of all measures.

	CT6	MT6	CT5	MT5	RA	C1	C2	C3	C4	C5	C6	V1	V2	V3	V4	V5	X1	X2	X3	X4	X5
CT6	1
MT6	0.73*	1
CT5	0.78*	0.63*	1
MT5	0.66*	0.79*	0.71*	1
RA	0.56*	0.44*	0.57*	0.45*	1
C1	0.42*	0.53*	0.44*	0.53*	0.43*	1
C2	0.43*	0.56*	0.49*	0.57*	0.45*	0.77*	1
C3	0.41*	0.47*	0.45*	0.47*	0.43*	0.66*	0.62*	1
C4	0.46*	0.55*	0.49*	0.55*	0.49*	0.69*	0.75*	0.69*	1
C5	0.53*	0.64*	0.54*	0.64*	0.46*	0.73*	0.77*	0.59*	0.70*	1
C6	0.37*	0.44*	0.39*	0.47*	0.40*	0.61*	0.61*	0.52*	0.59*	0.66*	1
V1	0.30*	0.37*	0.27*	0.36*	0.33*	0.45*	0.49*	0.32*	0.46*	0.50*	0.38*	1
V2	0.28*	0.40*	0.27*	0.42*	0.21*	0.32*	0.33*	0.15	0.27*	0.36*	0.28*	0.20*	1
V3	0.35*	0.39*	0.36*	0.39*	0.35*	0.55*	0.56*	0.42*	0.48*	0.58*	0.53*	0.37*	0.34*	1
V4	0.23*	0.30*	0.18*	0.31*	0.17	0.34*	0.34*	0.19*	0.23*	0.40*	0.30*	0.29*	0.42*	0.44*	1
V5	0.20*	0.23*	0.24*	0.19*	0.24*	0.32*	0.27*	0.30*	0.25*	0.32*	0.35*	0.25*	0.21*	0.33*	0.20*	1
X1	0.46*	0.49*	0.42*	0.47*	0.33*	0.38*	0.36*	0.26*	0.34*	0.46*	0.34*	0.34*	0.36*	0.33*	0.41*	0.20*	1
X2	−0.36*	−0.30*	−0.36*	−0.30*	−0.42*	−0.45*	−0.38*	−0.52*	−0.43*	−0.37*	−0.39*	−0.22*	−0.11	−0.32*	−0.11	−0.31*	−0.21*	1
X3	0.26*	0.24*	0.26*	0.23*	0.23*	0.14	0.19*	0.19*	0.19*	0.20*	0.14	0.10	0.16	0.15	0.11	0.18*	0.20*	−0.17	1
X4	0.43*	0.40*	0.43*	0.38*	0.33*	0.26*	0.26*	0.27*	0.32*	0.32*	0.21*	0.17	0.20*	0.23*	0.14	0.20*	0.26*	−0.29*	0.54*	1
X5	0.34*	0.27*	0.33*	0.27*	0.48*	0.26*	0.32*	0.26*	0.29*	0.34*	0.23*	0.25*	0.15	0.23*	0.12	0.13	0.31*	−0.27*	0.21*	0.36*	1

*p < 0.00024 with Bonferroni-correction. C/MT6: Chinese/math curriculum test in sixth grade; C/MT5: Chinese/math curriculum test in fifth grade. RA: reading ability. C1–C6: addition; subtraction; multiplication; division; comparison; blank filling. V1–V5: number continuation; visual length, figure counting, square counting; number connection. X1: IQ; X2: RAN; X3: onset and rime deletion; X4: phoneme deletion; X5: morphological production.