Table 5.

Cross-lagged and concurrent pearson correlations between language measures and Wh-question comprehension for TD children across all visits (N = 17).

	Visit 3	Visit 4	Visit 5	Visit 6
Variable	Wh-Q difference score	Wh-Q difference score	Wh-Q difference score	Wh-Q difference score
VISIT 1
MSEL	0.238	0.294	0.074	0.425
VABS	0.070	−0.358	−0.162	0.343
VISIT 2
VABS	−0.242	−0.444	0.128	0.369
CDI	0.340	0.478	−0.148	0.714*
VISIT 3
VABS	−0.071	−0.111	0.202	0.641+
CDI	0.077	0.302	−0.153	0.858*
VISIT 4
VABS		−0.456	0.145	0.460
ROWPVT		0.451	0.182	0.579
EOWPVT		0.534	0.131	0.592
VISIT 5
VABS			0.229	0.541
ROWPVT			0.177	0.504
EOWPVT			0.102	0.733*
VISIT 6
MSEL				0.554
VABS				0.380
ROWPVT				0.639+
EOWPVT				0.780*

MSEL, Mullen Scales of Early Learning Composite; VABS, Vineland Adaptive Behavior Scales Composite; CDI, Communicative Development Inventories; ROWPVT, Receptive One-Word Picture Vocabulary Test; EOWPVT, Expressive One-Word Picture Vocabulary Test.

^*p < 0.005, two-tailed;

⁺p < 0.01.