Table 12.

Fixed effects in model of relative clause attachment preferences

	Fixed effect	Estimate	SE	p-value
	(Intercept)	0.339	0.150	0.023
Condition effect Individual differences	Low Attach.	2.464	0.344	<0.001
	VWM	−0.003	0.084	0.969
	Inhib.	−0.036	0.122	0.770
	Phon.	−0.002	0.103	0.985
	Lang.	−0.246	0.103	0.016
	Speed	0.049	0.080	0.539
Individual difference × Condition interactions	Low Attach. × VWM	0.937	0.275	0.001
	Low Attach. × Inhib.	−0.042	0.399	0.915
	Low Attach. × Phon.	0.251	0.338	0.458
	Low Attach. × Lang.	0.338	0.335	0.313
	Low Attach. × Speed	0.655	0.255	0.010

Notes: Effects coding was used for the condition effects. The condition effect here refers to the likelihood of answering yes to a comprehension question when it promoted the low attachment reading (0.5) opposed to the high attachment reading (−0.5). Random intercepts and slopes for all condition effects for both subjects and items were also included in the model. “VWM” = Verbal working memory span; “Inhib” = Inhibitory control; “Speed” = Perceptual speed; “Phon.” = Phonological ability; “Lang.” = Language experience.