Table 3.

Effects of success, condition, age, and trial number on the proportion of distraction behaviours in the test

Term	Estimate	SE	Lower CI	Upper CI	Chisq	df	p value
Intercept	0.391	0.331	− 0.252	1.042			1
Success	− 1.386	0.249	− 1.908	− 0.929	24.122	1	< 0.001
Condition (conspecific)	− 0.413	0.272	− 0.951	0.108
Condition (human)2	− 0.978	0.286	− 1.566	− 0.405	10.551	2	0.005
Age3	0.361	0.118	0.132	0.609	8.827	1	0.003
Trial	− 0.109	0.131	0.871	1.463	0.691	1	0.406

¹not shown due to limited interpretability

²indicated test refers to the overall effect of condition

³age was z-transformed to a mean of 0 and a standard deviation of 1. Original variable: 2–18 yrs