A Bidirectional Relationship between Conceptual Organization and Word Learning

Table 3

Hierarchical regression analysis of proportion of children’s vocabulary knowledge and categorization behaviour predicting word learning.

Step	Δ𝑅^2	𝛽^a	𝑡 value	𝑃 value	𝑠𝑟^2b
Step  1	.02
PPVT-III		−.05	.44	.661	<.01
Baseline taxonomic	category knowledge		.08	.77	.444
Gains in target word	knowledge		.11	1.12	.266
Step  2	.04
PPVT-III		−.06	.53	.596	<.01
Baseline taxonomic	category knowledge		.12	1.13	.260
Gains in target word	knowledge		.07	.67	.503
Categorization	behaviour		.24	2.23	.029

aStandardized regression coefficient.
bSquared semipartial correlation.