“…Learning is defined following cultural-historical activity theory (AT), that stresses the relational, emergent, processual and contextual nature of learning (Vygotsky 1980). Peer support might be essential in completing a PhD (Gardner 2007, Littlefield, Taddei, and Radosh 2015, Devenish et al 2009, Leonard and Becker 2009, Lovitts 2001, Boyle and Boice 1998, Wegener, Meier, and Ingerslev 2016, Teeuwsen, Ratković, and Tilley 2014, Gardner 2010, Boud and Lee 2005. Nevertheless, it is not clear how peers intervene in the learning process (Flores-Scott and Nerad 2012, Baker andLattuca 2010, Boud 1999).…”