“…This lack of empirical support seems surprising considering the positive effects of gesture generally found in other domains (for vocabulary, see Huang, Kim, & Christianson, 2019; Kelly, McDevitt, & Esch, 2009; Macedonia & Klimesch, 2014; Tellier, 2008; for grammar, see Nakatsukasa, 2016, but cf. Nakatsukasa, 2019; for comprehension, see Sueyoshi & Hardison, 2005). Therefore, the present study empirically examined the efficacy of instructional gestures on the development of L2 pronunciation.…”