“…"Receptive" (50 of 184; 27%) included listening (e.g., Dallinger et al, 2016;Lasagabaster, 2008) and reading skills (e.g., Bayram et al, 2019;Martínez Agudo, 2020), and linguistic knowledge (i.e., vocabulary and grammar) measured receptivity (Lasagabaster, 2008;Martínez Agudo, 2020). For "productive" (119 of 184; 65%), any measurements related to speaking and writing (e.g., Lahuerta, 2017;Pérez Cañado & Lancaster, 2017;Rallo Fabra & Juan-Garau, 2011) were included, along with linguistic knowledge measured productively (e.g., Gutiérrez-Mangado & Martínez-Adrián, 2018;Lo & Murphy, 2010). "Overall proficiency" (15 of 184; 8%) included any measurements described as measuring participants' overall proficiency (e.g., Merino & Lasagabaster, 2018;Verspoor et al, 2015).…”