“…This dependence on intuition and experience rather than empirical study has been openly stated by ASL/FL material developers, such as those involved in the creation of the popular Signing Naturally textbook series (Smith, 1988). The lack of research into ASL/FL teaching and learning has been noted by several researchers (see for example Doré, 2020;Hilger, Loucks, Quinto-Pozos, & Dye, 2015;McKee, Rosen, & McKee, 2014;Quinto-Pozos, 2011;Willoughby, Linder, Ellis, & Fisher, 2015).…”