The acceptance of a prototype rear-view assistant for older cyclists: two modalities of warnings compared.

Engbers, C. Dubbeldam, R. Buurke, J.H. Schaake, L. Goede, M. de Rietman, J.S. & Waard, D. de

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. (Author/publisher)

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20200609 ST [electronic version only]

International Journal of Human Factors and Ergonomics, Vol. 4 (2016), No. 3-4, p. 264-281, ref.

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