“…Previous studies have broadly looked at phrasal complexity in learner writing (e.g. Ansarifar, Shahriari, & Pishghadam, 2018;Kreyer & Schaub, 2018;Martínez, 2018;Parkinson & Musgrave, 2014;Staples, Egbert, Biber, & Gray, 2016;Yang, Lu, & Weigle, 2015), but few have narrowed down their focus to a particular feature, such as relative clauses. As mentioned by Vyatkina, Hirschmann, & Golcher 1 Biber, D., Johansson, S., Leech, G., Conrad, S., & Finegan, E. (1999).…”