Table 3: GAM fitted to plausibility ratings for derivational neologisms with the derivational lexomes ABLE, AGAIN, AGENT, IST, LESS, and NOT; data from Marelli and Baroni [60].

A. parametric coefficients Estimate Std. Error t-value p-value

Intercept -1.8072 2.7560 -0.6557 0.5127
Word Length 0.5901 0.2113 2.7931 0.0057
Activation Diversity 1.1221 0.6747 1.6632 0.0976
Arousal 0.3847 0.1521 2.5295 0.0121
Word Length Activation Diversity -0.1318 0.0500 -2.6369 0.0089

B. smooth terms edf Ref.df F-value p-value
Random Intercepts Affix 3.3610 4.0000 55.6723 0.0001