“…This is suggested by studies linking maltreatment of children to aggression (Dodge, Pettit, & Bates, 1990;Haskett & Kistner, 1991) depression (Ackerman, Newton, McPherson, Jones, & Dykman, 1998) and anxiety (Green, 1998). A recent study (Lau & Weisz, 2003) reported that children exposed to maltreatment had more externalizing symptoms at treatment entry, were more likely to exit treatment early and had greater externalizing symptoms after 2 years compared to other clinic-referred children. However, this study did not report whether any of the children studied suffered from bipolar disorder.…”