@article{ref1,
title="Divided attention in a reaction time index of traffic sign perception",
journal="Ergonomics",
year="1981",
author="Testin, Frank J. and Dewar, Robert E.",
volume="24",
number="2",
pages="111-124",
abstract="Laboratory studies of traffic sign perception have often neglected to duplicate the divided attention demands of the driving task, even though it has been suggested that the inclusion of a loading task would increase the validity of such research. The present experiment examined the need for this division of attention by requiring subjects to identify traffic sign messages while performing a second, loading task involving the cognitive components of detection, identification or memory. A control group received no loading task. The reaction times to 16 signs were correlated with the legibility distances of the same signs measured in a previous roadway experiment. Contrary to the conclusion of Dewar el al. (1976) that a loading task may increase the validity of the reaction time index, the present study found no advantage to using a loading task in association with the reaction time measure of traffic sign perception. Keywords: Driver distraction;<p /><p />",
language="en",
issn="0014-0139",
doi="10.1080/00140138108924836",
url="http://dx.doi.org/10.1080/00140138108924836"
}