The acceptance of a prototype rear-view assistant for older cyclists: two modalities of warnings compared
by C. Engbers; R. Dubbeldam; J.H. Buurke; L. Schaake; M. De Goede; J.S. Rietman; D. De Waard
International Journal of Human Factors and Ergonomics (IJHFE), Vol. 4, No. 3/4, 2016

Abstract: The aim of this study was to evaluate the effects on behaviour, mental effort and acceptance of a simple prototype of an electronic rear-view assistance system designed for older cyclists that are at risk of falls. The prototype was incorporated into a simple cycling simulator and provided information about traffic from behind in two modalities: visual and haptic. Twenty-one older participants (>64 years) completed three conditions: warnings in two modalities and a control condition without warnings. Mental effort and acceptance were assessed using subjective rating scales and by monitoring changes in cycling speed. Less mental effort was reported when using the rear-view assistant. Significantly more correct decisions regarding a safe left turn were made with system advice. No significant speed differences were found between the two modality conditions. It is concluded that the electronic rear-view assistance system can potentially support the older cyclist successfully by warning for traffic coming from behind.

Online publication date: Sat, 08-Apr-2017

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