. Author manuscript; available in PMC: 2020 Jul 1.

Published in final edited form as: Transp Res Part F Traffic Psychol Behav. 2019 Jul;64:213–226. doi: 10.1016/j.trf.2019.05.003

Table 2:

Average VA, CS, detection rates, reaction times, and deceleration for the different conditions in Experiment 2

	NV		Mid_DS		High_DS		Mid		High
Vision measures	average	sem	average	sem	average	sem	average	sem	average	sem
VA(logMAR)⬇	−0.03	0.02	0.34	0.03	0.59	0.04	0.34	0.03	0.63	0.03
VA (Snellen)	(20/20)		(20/42)		(20/74)		(20/46)		(20/81)
CS (log)⬆	1.8	0.02	1.82	0.02	1.78	0.02	1.58	0.02	1.46	0.02
Driving measures
Proportion Detected⬆	1.00	0.00	0.99	0.01	0.99	0.01	0.99	0.01	0.90	0.00
Car Speed (KPH)	91.3	1.72	90.3	1.94	89.5	1.78	90.9	1.97	90.0	2.01
Reaction time (s) ⬇	1.35	0.05	1.37	0.07	1.47	0.07	1.63	0.09	1.76	0.10
Deceleration (m/s²) ⬇	3.34	0.13	3.30	0.16	3.53	0.16	3.88	0.20	3.98	0.23

⬆ Higher values mean better performance

⬇ Lower values mean better performance