“…Will HMD incur the same costs as HDD, or will they be more comparable to HMD? Safety researchers have only recently begun exploring how Google Glass influences driving performance (Beckers, Schreiner, Bertrand, Reimer, Mehler, Munger, & Dobres, 2014;He, Choi, McCarley, Chaparro, & Wang, under review;Sawyer, Finomore, Calvo, & Hancock, 2014). These studies all used a car-following task and did not assess other aspects of driving performance, such as tactical lane changes.…”