bridging the gender gap interventions with aggressive girls and their parents in response to a gap in gendersensitive programming for young aggressive girls 511 and their families the snap girls connection gc was developed in 1996 this multisystemic intervention is built on a developmental model of risk and protective factors within the girl and her relationships we evaluated the snapr gc using a prospective quasiexperimental design randomly assigning 80 girls to treatment n 45 and waitinglist groups n 35 over 2 years fiftyfive parents completed measures at assessment periods 1 2 and 3 results showed significant positive changes on girls problem behavior and parenting skills for the treatment versus the waitinglist groups as well as maintenance of treatment gains implications of the findings on treatment effectiveness of this gendersensitive intervention are discussed