“…Some researchers (Astor, Behre, Wallace, & Fravil, 1998;Balloch, Pahl, & McLean, 1998;Briggs, Broadhurst, & Hawkins, 2004;Jayaratne et al, 2004;Koritas, Coles, & Boyle, 2010) have supported CPMRHV model in that there are differences in the number of violent incidents, depending on workers' age, gender, ethnicity, and tenure. For example, studies showed that male or younger social workers were more likely to be targets of clients' violence than female or older workers (Balloch et al, 1998;Newhill, 1996).…”