Table 3.

Summary of mixed effects regressions predicting noun types and tokens in infants’ input by parent and child gender. Adding the interaction term (i.e., Models 2 and 4) does not improve model fit.

	Model 1	Model 2	Model 3	Model 4
(Intercept)	5.03 (0.43) ***	4.89 (0.50) ***	7.55 (0.84) ***	7.31 (0.97) ***
Parent (mom)	5.17 (0.49) ***	5.46 (0.70) ***	9.91 (0.96) ***	10.40 (1.38) ***
Child gender (M)	−0.43 (0.49)	−0.14 (0.69)	−1.07 (0.96)	−0.60 (1.36)
Parent*child gender		−0.58 (0.98)		−0.95 (1.93)
R^2	0.58	0.58	0.57	0.57
Adj. R^2	0.57	0.56	0.56	0.55
Num. obs.	86	86	86	86