Technology Blog

Consumers are increasingly using MP3 players in their vehicles, and auto makers have responded: Data show that 90% of new vehicles sold in the United States have MP3 connectivity. Makers of aftermarket MP3 controllers are also responding with devices that have claimed to decrease driver distraction. But according to human factors/ergonomics researcher John D. Lee and colleagues, MP3 players might increase distraction risk, depending on which devices drivers use and how long they look away from the road while searching for their favorite song. Aftermarket devices designed to reduce distraction can actually increase it. In Lee et al.'s article, "Scrolling and Driving: How an MP3 Player and Its Aftermarket Controller Affect Driving Performance and Visual Behavior," published in Human Factors: The Journal of the Human Factors and Ergonomics Society, 50 drivers age 18 to 25 searched for specific songs in playlists of varying lengths using either an MP3 player or an aftermarket controller. They performed this task