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Bicycle Helmet Safety Institute

The Helmet Update

Volume 34, #1, January 29, 2016

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Study blames bicycle helmets for risk compensation


There is a new study in the journal Psychological Science by two University of Bath researchers. The study is titled "Wearing a Bicycle Helmet Can Increase Risk Taking and Sensation Seeking in Adults." The study tracked people either wearing caps or helmets while blowing up a virtual balloon on a computer screen. The researchers found that those in bicycle helmets took more risk that the balloon would burst, and concluded that "Here, we demonstrated that risk taking increases in people who are not explicitly aware they are wearing protective equipment; furthermore, this happens for behaviors that could not be made safer by that equipment. In a controlled study in which a helmet, compared with a baseball cap, was used as the head mount for an eye tracker, participants scored significantly higher on laboratory measures of both risk taking and sensation seeking. This happened despite there being no risk for the helmet to ameliorate and despite it being introduced purely as an eye tracker. The results suggest that unconscious activation of safety-related concepts primes globally increased risk propensity."

Imagine the consequences for seatbelt use if this conclusion were valid! Risk compensation is a real phenomenon, but has its limits. We think that the authors are stretching too much with their conclusion in this case. In any event, you will see it cited in coming years as "study proves bike helmets make riders take more risk and seek more sensation."

One of the authors is Ian Walker, who previously published a now-discredited study of passing clearances concluding that cars leave less room when passing cyclists in helmets.



This page was updated or partially revised on: October 1, 2016. BHSI logo
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