“…Moreover, while extant research on international students has investigated their psychological outcomes associated with perceived social support (see Andrade, 2006;Baba & Hosoda, 2014;Brunsting et al, 2018;Chavajay, 2013;Yusoff, 2012), to the researchers' best knowledge, no known study has undertaken an examination of the effects of support from lecturers and host country nationals (HCNs) on the CCA of international students. In fact, scholars have proven that both lecturers (McClure, 2007;Yee et al, 2018) and HCNs (Robinson et al, 2019;Shu et al, 2020) are distinct sources of support that facilitate international students' academic success and social embeddedness. To address this research gap, the present study applied the anxiety and uncertainty management (AUM) theory (see Gudykunst, 1998), which is based on the underlying assumption that minimising an individual's level of anxiety and uncertainty is likely to eventuate effective CCA and intercultural communication (Gudykunst, 1998;Hammer et al, 1998).…”