“…There are many researches carried out on group works (Gibbs, 2009;Bentley and Warwick, 2013) covering various aspects. Some of the studies look into the potential benefits, while others study pitfalls associated with it (Burke, 2011) such as social loafing (Harkins, et al, 1980;Williams et al, 1981;Brook sand Ammons, 2003;Piezon and Donaldson, 2005), free riding (Gibbs, 2009;Mc Ardle et al, 2005;Kerr and Bruun, 1983) and sucker effects (Kerr, 1983;Robbins, 1995;Abele and Diehl, 2008). Few researches are also available analysing the student perception (Garvin et al, 1995;Knight, 2004;Amato and Amato, 2005;So and Brush, 2008;Bentley and Warwick, 2013) of group assignment based on different criteria.…”