Functional family therapy in clinical practice: an effectiveness study of the dissemination model

Community-based effectiveness trial of FFT in n=917 juvenile-court referred adolescents. FFT delivered with high adherence produced significant reductions in felony and violent recidivism at 12 months vs probation services. Effects were attenuated or absent in low- adherence sites - therapist adherence is a moderator, not optional. Foundation for FFT as juvenile-justice-system evidence-based practice alongside MST.