“…T HE OCCURRENCE OF severe aggressive incidents on acute psychiatric wards is a serious problem and can have a great impact on staff; they can trigger feelings of shock, fear, or anger and are often followed by rumination, guilt, or anxiety (Bowers, Brennan, Flood, Lipang, and Olapado, 2006;Camerino, Estryn-Behar, Conway, Heijden van der, & Hasselhorn, 2007;Jonker, Goosens, Steenhuis, & Oud, 2008;Martin & Daffern, 2006;Mason, King, & Dulson, 2009;Needham, Alberhalden, Halfens, Fischer, & Dassen, 2005). Patients also suffer from the consequences of their aggressive behavior; it is likely that these kinds of behaviors cause conflicts with staff, possibly resulting in coercive measures (Meehan et al, 2006;Paterson & Duxbury, 2007).…”