Table 1.

Effects of independent variables on task performance measures (trial accuracy and trial duration).

	Trial accuracy (binomial)				Trial duration (ms)
	Estimate	Std. error	z value	Pr(>|z|)	Estimate	Std. error	t value	Pr(>|t|)
(Intercept)	2.8843	0.6755	4.2700	0.0000	10926.6540	520.9880	20.9730	0.0000
Advert onset speed (smooth)	0.3231	0.6324	0.5110	0.6094	8.3820	472.3650	0.0180	0.9858
Advert onset speed (abrupt)	−0.5470	0.5884	−0.9300	0.3525	435.4470	472.3400	0.9220	0.3567
Advert task relevance (low)	0.0166	0.5757	0.0290	0.9770	160.2250	472.2880	0.3390	0.7345
Advert task relevance (high)	0.8351	0.6290	1.3280	0.1843	−215.8810	472.2690	−0.4570	0.6477
Advert position (bottom-right)	0.0108	0.0050	2.1380	0.0325	−2.6040	3.2140	−0.8100	0.4179
Child age (12 years)	0.9242	0.3275	2.8220	0.0048	123.7080	215.0440	0.5750	0.5652
Child gender (male)	−0.8124	0.2901	−2.8000	0.0051	653.6960	185.1890	3.5300	0.0004
Child gaze control	2.2361	0.7643	2.9260	0.0034	−44.9860	471.4690	−0.0950	0.9240

Significant effects are emphasized with bold face. Child gaze control values have been centered.