“…Data sets from five different regions of the world were collated (Within USA: Rojahn et al, 2010;Rojahn, Rowe, Kasdan, Moore, & van Ingen, 2011;Zaja, Moore, van Ingen, & Rojahn, 2011;Outside of USA: Hastings, Beck, & Hill, 2005;Mircea, Rojahn, & Esbensen, 2010;Owen et al, 2004). Participants were selected to be part of the sample studied if they had a total score greater than 0 on the Behavior Problem Inventory (Rojahn et al, 2001).…”