“…The most common displays include verbal or emotional acts, though physical acts have been reported (Khalil, 2009;McKenna, Smith, Poole, & Coverdale, 2003;Sellers, Millenbach, Ward, & Scribani, 2012;Walrafen, Brewer, & Mulvenon, 2012). Horizontal violence is differentiated from bullying in that bullying behaviors can occur across a power gradient, such as from manager to staff (Hockley, 2000;Vessey et al, 2009).…”