“…For example, in discussion forums there are usually a large number of participants which makes the interpersonal closeness less, whereas in one-to-one interactions the interpersonal closeness would be high. Interactions usually occurred in the form of messages in discussion forums (Gillani and Eynon, 2014;Kellogg et al, 2014;Manli, 2014;Barak et al, 2016;Sunar et al, 2017;Zhang et al, 2017;Shi et al, 2019;Xu et al, 2019;Anderson et al, 2020;Yang and He, 2022), in groups (Su et al, 2016;Wichmann et al, 2016;Zhang et al, 2016;Mayende et al, 2017;Krasny et al, 2018;Sanz-Martínez et al, 2019;Razmerita et al, 2020;Gamage, 2021;Gamage and Whiting, 2021;Pin-Ju and Chen, 2022) or one-to-one with another peer (Bouchet et al, 2017;Zhang et al, 2017).…”