“…Empirical studies on IC have garnered increasing scholarly interest during the past two decades, primarily directed to the following three issues—mechanism and trajectory of development of IC, testing and assessment of IC, and ways to teach and improve IC (Dai & Dave, 2023), among which the second one plays a crucial role. Most studies on this issue have explored relationship between interactional features and test scores (e.g., Galaczi, 2008), compared interactional performance of test takers at different levels of L2 proficiency (e.g., Artunç & Hart, 2020), and investigated effects of various variables on test‐takers’ interactional performance, such as task design, test‐takers’ gender, personality, and acquaintanceship (e.g., Nakatsuhara, 2013; van Moere, 2007).…”