“…Heseltine, Day and Sarre, 2011). These CBT programmes have generally been shown to be effective in decreasing inappropriate expression of anger (Howells et al, 2005; Schamborg, Tully and Browne, 2015), even when taking account of demographic variables such as age, gender, type of offence and ethnicity (Buttell and Carney, 2005; Cameron and Telfer, 2004; Goldstein et al, 2013; Ireland, 2004; Sorensen and Cunningham, 2010) or when categorized by setting, comorbidities and methods of delivery (Davey, Day and Howells, 2005; Day, Kozar and Davey, 2013; Hornsveld, 2005; Wilson et al, 2013; Wydo, DiGiuseppe and Unger, 2013). The quality of these studies is, in general, not high.…”