John S Decker

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Driver distraction is implicated in a significant portion of motor vehicle collisions; evidence has suggested that billboards can contribute to such distraction, but many knowledge gaps remain. The purpose of this study was to evaluate the effects of various types of billboards (static, 250-foot digital transition, 500-foot digital transition, and a control(More)
OBJECTIVE External distraction appears to affect at least 6-9% of distraction-affected motor vehicle collisions. Billboards may be good models for studying external distraction in general, and it is also desirable to understand billboard-related distraction per se. However, there has not yet been a clear consensus on the scope of billboard-related(More)
Using a different test (number of spinning phrases chosen and the Beck Depression Inventory) and sample (201 undergraduates), data confirmed an observation by Thomas and Duzynski, as chosen spinning phrases were correlated with prior suicidal ideation. However, the numbers of phrases were not correlated with depression scores.
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