“…The increased use of SPOC forums has contributed to the generation of massive interactive data in higher education. Within the forum data, the hidden engagement patterns involving interactive behaviors and emotional states have been considered as critical factors indicating learning performance (Kent, Laslo, & Rafaeli, 2016;Phan, McNeil, & Robin, 2016;Qiu et al, 2016;Tucker, Pursel, & Divinsky, 2014;Yang, Kraut, & Rosé, 2016;Yang, Wen, Howley, Kraut, & Rose, 2015). Especially, interactive postings and average depth in threads were considered to be correlated with examination' grades (Kent et al, 2016).…”