Does wearable device bring distraction closer to drivers? Comparing smartphones and Google Glass
McCarley, Jason S.
Jadliwala, Murtuza Shabbir
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He, Jibo; McCarley, Jason S.; Crager, Kirsten; Jadliwala, Murtuza Shabbir; Hua, Lesheng; Huang, Sheng. 2018. Does wearable device bring distraction closer to drivers? Comparing smartphones and Google Glass. Applied Ergonomics, vol. 70:pp 156-166
Background" Head-up and wearable displays, such as Google Glass (TM), are sometimes marketed as safe in-vehicle alternatives to phone-based displays, as they allow drivers to receive messages without eye-off-the-road glances. However, head-up displays can still compromise driver performance (e.g., He et al., 2015b), as the distracting effect of interacting with any device will depend on the user's multitasking strategies. The present experiment examined drivers' interaction with a head-down smartphone display and a wearable head-up display. Method: Participants performed a simulated driving task while receiving and responding to text messages via smartphone or the head-mounted display (HMD) on the Google Glass (TM). Incoming messages were signaled by an auditory alert, and responses were made vocally. Results: When using Google Glass, participants' responses were quicker than that of smartphone, and the time to engage in a task did not vary according to lane-keeping difficulty. Results suggest that a willingness to engage more readily in distracting tasks may offset the potential safety benefits of wearable devices.
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