Table 1. Visual search parameters as a function of phone task.

Data presented are the group mean (standard deviation).

	No phone	Talk	Read	Write	P value	np2
Trial Time (s)	4.79	5.71	6.27	10.46	p<0.001	.714
	(.64)	(.57)	(1.37)	(3.23)
No. fixations (%)
Phone	-	-	37.83	55.34	p < .05	.730*
			(23.27)	(24.75)
Surface Height Change	17.07	10.24	6.73	6.77	p < .05	.189
	(14.52)	(7.42)	(6.58)	(11.06)
Intended Travel Path	51.16	37.35	28.37	25	p<0.001	.375
	(19.20)	(13.86)	(17.33)	(18.60)
Other	29.74	49.22	23.05	9.62	p<0.001	.475
	(25.50)	(21.56)	(22.20)	(13.81)
Fixation time (%)
Phone	-	-	60.97	88.18	p<0.001	1.51*
			(21.57)	(13.47)
Surface Height Change	16.95	9.74	3.55	1.51	p<0.001	.436
	(13.71)	(9.46)	(5.36)	(2.22)
Intended Travel Path	57.02	46.49	18.02	6.3	p<0.001	.745
	(20.29)	(15.24)	(14.94)	(9.52)
Other	16.25	28.38	8.14	0.01	p<0.001	.467
	(20.86)	(18.94)	(11.02)	(.01)

NB. ‘-‘ indicates no fixation.

* denotes effect size calculated using Cohen’s d.