“…Many researchers have investigated tracking devices, but only a few empirical studies have been carried out (Hermans, Htay, & McShane, 2007). Research on the use of GPS in dementia has focused thus far on identifying the feasibility of using these systems, as well as their technical operation, usability, and related ethical issues (McShane, Hope, & Wilkinson, 1994;Miskelly, 2005).…”