Functional Family Therapy (FFT)

Blueprints approved

Functional Family Therapy (FFT) is a family intervention targeting young people (aged 11-18) at risk for and/or presenting with delinquency. FFT assesses family behaviours that maintain delinquent behaviour, modifies dysfunctional family communication, trains family members to negotiate effectively and sets clear rules about privileges and responsibilities. Families receive 30 hours of therapy over the course of 3 months.

Target group Young people aged 11-18 who are at risk for and/or presenting with delinquency, violence, substance use, Conduct Disorder, Oppositional Defiant Disorder, or Disruptive Behaviour Disorder.
Focus of intervention
  • Individual and peer
  • Family
Level of intervention
  • Selective prevention
  • Indicated prevention
  • Treatment
Outcomes affected
  • Good behaviour
  • Not using substances
  • Good relations with parents
Impact of intervention

Crime: -0.59*

*statistically significant at p<0.05

Figure(s) taken from this report.

Meta-analysis updated in August 2013.

Risk & protective factors targeted

Cost-benefit analysis

Source of benefits

Contact information

Holly DeMaranville
FFT Communications Director
1251 NW Elford Dr.
Seattle, WA 98177


Local authorities running the intervention in the UK
  • Antrim
  • Ballymena
  • Brighton and Hove
  • Carrickfergus Larne
  • Coleraine
  • Cookstown
  • Johnso
  • Magherafelt
  • Newtownabbey
  • Paisley
  • Renfrewshire

Please contact us if you are running this intervention in the UK.