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. Author manuscript; available in PMC: 2019 Oct 1.
Published in final edited form as: First Lang. 2018 Jun 13;38(5):520–537. doi: 10.1177/0142723718782634

Table 5.

Summary of results from mixed-effects linear regression models for the HR and LR group with respect to vocative name uses.

Coefficient Std. Error DF t-value p-value
HR group
(Intercept) 0.46 0.058 73 7.80 0.0000
age (days) −0.00084 0.00032 73 −2.63 0.010*
LR group
(Intercept) 0.19 0.037 59 5.09 0.0000
age (days) 0.00029 0.00024 59 1.19 0.24