“…Positive social interactions, improved social skills, peer acceptance, and cooperation are potential outcomes of students' engagement of collaborative groups (Hastie, 2010). Although SDG has been known since the late 1960's (Mauldon & Redfern, 1969), only in the past few years it has been supported with research findings (André, Hastie & Araújo, 2015;André & Hastie, 2016;Butler, 2013;Casey, Hastie, & Rovegno, 2011;Hastie & André, 2012;Hastie & Casey, 2010).…”