“…As such, group members are likely to be rewarded for adherence to group norms, or rejected by the group when they fail to adhere to them (Morrison, 2006). Building on this, it was hypothesized (e.g., Jones, Haslam, York, & Ryan, 2008;Jones, Livingstone, & Manstead, 2011Nesdale, 2007) that bullying might be a set of behaviours that is motivated by social identity processes, including levels of ingroup identification, and adherence to group norms. In line with this hypothesis, a number of studies have indicated the role of social identity processes in maintaining bullying.…”