“…Of these, the form factor of a one-dimensional light band [12,18,21,22,28,42] is particularly popular by virtue of being relatively simple and easy to implement within the current design language of a car. Recent studies have shown mixed results regarding the effectiveness of this design when compared to other designs of eHMI [1,9,14,22,23,25,34]. However, despite the absolute efficacy of this design being questionable, its sheer popularity makes it worthwhile to investigate finer details of its implementation.…”