Does Mother Know Best? Maternal Knowledge Calibration Predicts Children’s Oral Language Development

Table 1

Hierarchical regression analysis of mothers’ successful knowledge calibration predicting their children’s vocabulary knowledge (𝑛 = 49 dyads).

Step	𝐵^a	Standard error	𝑡-value	𝑃 value	sr^2b
Step  1
Maternal education	3.15	1.35	2.33	0.027	0.16
Step  2
Maternal education	3.77	1.20	3.15	0.004	0.22
Proportion of accurate assertions expressed with certainty	16.14	5.98	2.70	0.012	0.16
Proportion of incorrect assertions expressed with uncertainty	11.52	4.65	2.48	0.020	0.14

aUnstandardized regression coefficient.
^bSquared semipartial correlation.