Table 3.

GAMM with best fit for L2 participants' target looks in Experiment 2: parametric coefficients and estimated degrees of freedom (Edf), reference degrees of freedom (Ref. df), F-values and p-values for the tensor products.

Parametric coefficients	Estimate	Std. Error	t-value	p-value
(Intercept)	−0.591	0.073	−8.140	<0.001
Smooth terms	Edf	Ref. df	F-value	p-value
Smooth: Items and Subjects	371.83	1128.00	0.493	<2e-16
Tensor: Time, Proficiency	13.82	17.20	54.626	<2e-16
Tensor: Time, Proficiency * Overlap condition	11.90	14.44	2.242	= 0.004