“…One of the most important reasons for limited interaction is the lack of “real” eye contact, an essential pedagogical tool, in online education [ 36 ]. Another reason that disrupted the interaction was that the academic staff and students came together only on an online platform, resulting in an “invisible student” who could choose not to use a camera [ 32 , 37 ]. Similarly, in the study of Casacchia et al [ 38 ], academic staff complained about reduced interaction with students during lessons.…”