“…This added value can manifest at the individual, the intra-group, and the intergroup level, with assumption of one's own role within the group, including the leadership role. The key findings are shared by previous work (e.g., Adams, 2013;Slavin, 2015), that reported that peer work promotes learning, activates individual responsibility and a sense of group belonging, promotes inclusion and enhances individual skills and abilities toward a common goal. Nonetheless, our findings also support previous authors when they state that the learning outcomes of CL occur after students have been prepared for collaboration (e.g.…”