“…AUM theory can be applied in various communication with external contexts, such as intercultural communication ( Hullett and Witte, 2001 ; Miller and Samp, 2007 ; Samochowiec and Florack, 2010 ; Ni and Wang, 2011 ), professional communication ( Logan et al, 2016 ; Prince, 2021 ), and communication with strangers ( Duronto et al, 2005 ). For the internal context, the AUM theory has been used in cross-cultural adjustment and adaption ( Hua et al, 2019 ; Pang, 2020 ), sociocultural adaptation ( Sarmiento et al, 2019 ), acculturation and ideology ( Peng et al, 2019 ), and intercultural competence ( Peng et al, 2020 ). According to the literature, external and internal conditions continuously affect individuals’ uncertainty and anxiety.…”