FFT vs MST

A side-by-side comparison of recorded mechanisms, evidence review status, related condition topics, and philosophical roots.

At a glance

Source checks, condition-specific assessments and expert review are separate steps. Each assessment applies only to its stated population and use. Topic links do not establish comparative effectiveness.

FFT

Tradition
Family Systems
Founder
Alexander / Parsons (1973)
Review status
3 source checks available
Official sources
Guidelines and official sources (3)

1 clinical guideline check · 1 evidence registry check · 1 professional reference check

Read the recommendation and its scope. A source may discuss an approach without recommending it.

  • Functional Family Therapy (FFT): program profile

    Blueprints for Healthy Youth Development, University of Colorado Boulder · Current profile checked 2026-09-06; no revision date shown · Evidence registry · Endorsements; Generalizability

    Discussed in the source

    The current Blueprints profile rates FFT Promising. Older descriptions of Model Plus should not be presented as the current rating. This is a registry, not a clinical guideline.

    Scope: Adolescent behavior, offending and substance-use research.

    Source checked

  • TIP 39: Substance Use Disorder Treatment and Family Therapy, Chapter 3

    SAMHSA · 2020 update · Professional reference · Chapter 3: Functional Family Therapy

    Discussed in the source

    SAMHSA TIP 39 discusses FFT and supporting research. The discussion is separate from a clinical recommendation for all childhood conditions.

    Scope: Family treatment for substance-use problems.

    Source checked

  • Alcohol-use disorders: diagnosis, assessment and management (CG115)

    NICE · 2011 · Clinical guideline · Recommendations 1.3.7.8 and 1.3.7.12

    Recommendation for the stated population

    NICE includes FFT as an example of a multicomponent program to offer in this defined population.

    Scope: Ages 10–17 with alcohol misuse and significant comorbidity and/or limited social support.

    Source checked

Focus
Systemic + Behavioral
Format
Family
Duration
Short (12-14)

MST

Tradition
Family Systems
Founder
Scott Henggeler (1998)
Review status
1 condition assessment available
Official sources
Guidelines and official sources (2)

1 clinical guideline check · 1 professional reference check

Read the recommendation and its scope. A source may discuss an approach without recommending it.

  • Antisocial behaviour and conduct disorders in children and young people (CG158)

    NICE · 2013; current recommendation page retrieved 2026-09-06 · Clinical guideline · 1.5.13–1.5.14

    Recommendation for the stated population

    NICE explicitly names MST as an example of multimodal intervention to offer.

    Scope: Ages 11–17 with conduct disorder

    Source checked

  • Screening and treatment of substance use disorders among adolescents

    SAMHSA · 2021 advisory; PEP20-06-04-008 · Professional reference · Treatment table, page 7

    Discussed in the source

    SAMHSA describes MST in a treatment advisory; this is not a generic all-childhood-disorders CPG grade.

    Scope: Adolescents with severe SUD and delinquent or violent behaviour

    Source checked

Focus
Systemic + Behavioral
Format
Family + Community
Duration
Short (3-5 months)

Condition-specific assessments

Each conclusion applies to the population and use described. These source-based assessments do not certify the full entry or replace expert clinical review.

Child & Adolescent Behavioral Problems

Population and scope: Children and young people aged 11–17 with conduct disorder, receiving a manualized multimodal programme involving parents or carers and the young person’s wider systems.

Guideline recommendation

NICE CG158 1.5.13 offers multimodal interventions and explicitly names multisystemic therapy as an example. Recommendation 1.5.14 specifies a social-learning approach across individual, family, school, justice and community settings, delivered by specially trained case managers using an evaluated manual. This is a recommendation for conduct disorder in the stated age group, not for every childhood behavioral problem, ADHD alone, generic family therapy or all MST adaptations.

Source assessment dated

How they work

FFT

Core mechanism: Reframing family interactions + improving communication + building problem-solving disrupts cycles maintaining youth antisocial behavior

Ontology: Youth behavioral problems maintained by family interaction patterns and lack of protective relational processes

MST

Core mechanism: Intensive home-based intervention targets multiple ecological systems (family, peer, school) maintaining antisocial behavior

Ontology: Antisocial behavior maintained by factors across ecological systems, not just the individual youth

Related condition topics

These editorial cross-references organize reading. A shared link does not mean both approaches are effective, recommended, or interchangeable for that condition.

2 shared · 0 FFT-only · 0 MST-only

What each assumes — and misses

FFT

Philosophical roots: Bronfenbrenner (ecological systems); Alexander (functional family therapy model); Haley/Minuchin (structural-strategic); social learning theory

Blind spots: Requires family engagement, so it has little to offer when the family is unavailable or is itself the source of harm; built around juvenile-justice referrals; outcomes depend heavily on therapist adherence, which makes the model fragile outside closely supervised implementations

Therapeutic voice: When you go through her phone she hears 'you don't trust me.' I'm hearing something different in it. I think you're frightened of losing her. Am I close?

MST

Philosophical roots: Bronfenbrenner (ecological systems theory); Haley (strategic family therapy); Minuchin (structural family therapy); pragmatism (what works in context)

Blind spots: Extremely resource-intensive; requires 24/7 therapist availability; limited outside juvenile justice populations

Therapeutic voice: Who is actually around at three o'clock when he gets out of school? We build the plan around people who are really there. If it doesn't hold this week, that's mine to fix, not yours.

Choosing between them

FFT and MST both sit within the Family Systems tradition — they share a worldview about what suffering is and how change happens. Differences are more often about technique and emphasis than about underlying theory.

For deeper coverage: see the full FFT and MST pages, or use the interactive comparison tool to add more modalities to this comparison.