Cell Phone Conversation and Relative Crash Risk

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Author(s): Richard A. Young (Wayne State University, USA)
Copyright: 2015
Pages: 33
Source title: Encyclopedia of Mobile Phone Behavior
Source Author(s)/Editor(s): Zheng Yan (University at Albany, State University of New York, USA)
DOI: 10.4018/978-1-4666-8239-9.ch102

Keywords: Human Aspects of Technology / Information Science Reference / Mobile and Wireless Computing / Social Sciences & Humanities

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Abstract

Two pioneering studies that examined cell phone billing records of people who had been in automobile crashes estimated that cell phone “use” while driving elevated crash risk by a factor of four relative to driving without cell phone use, a substantial increase. Cell phone “use” in these pioneering studies refers solely to cell phone conversation, because billing records contain no information about the visual-manual aspects of cell phone use. Recent research suggests that these pioneering studies overestimated the relative risk of cell phone conversation by a factor of seven due to two major biases. After adjustment for these biases, cell phone conversation does not increase crash risk beyond that of driving without a cell phone conversation, and may, in fact, reduce crash risk. The main reasons are driver self-regulation and reduced drowsiness, which fully compensate for the slight delays in brake response times caused by cell phone conversation.

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Cell Phone Conversation and Relative Crash Risk

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