. Author manuscript; available in PMC: 2022 Mar 1.

Published in final edited form as: J Exp Child Psychol. 2020 Nov 20;203:105032. doi: 10.1016/j.jecp.2020.105032

Table 6.

Hierarchical regression parameters for models predicting PPVT vocabulary at age four.

	R²	β	SE	P
Vocabulary Only Model	.20			.01^*
Sex		.30	4.70	.04^*
Maternal education		−.02	1.12	.88
CCT vocabulary		.47	.37	.003^**

Processing Speed (Visual) Only Model	.14			.03^*
Sex		.28	4.85	.07
Maternal education		.11	1.09	.44
VRL		−.38	.02	.01^**

Vocabulary and Processing Speed Model	.22			.01^**
Sex		.31	4.66	.04^*
Maternal education		.004	1.11	.98
CCT vocabulary		.36	.42	.04^*
VRL		−.22	.03	.19

Note.

p < .05

^**

p < .01. R² values are adjusted.