Do Interventions Work? It Depends on the Model
An intervention is a structured conversation, sometimes involving one family member and sometimes a full group, aimed at encouraging someone to accept treatment for substance use. For families in New Hampshire and Massachusetts trying to help a loved one who won’t seek treatment on their own, whether it works depends heavily on which model is chosen. The confrontational, surprise-style intervention popularized by television gathers loved ones for a single ambush conversation. Research shows it’s often the least effective option, not the most. Approaches built around ongoing family communication and behavior change tend to get significantly better results.
Understanding this distinction before staging an intervention can be the difference between a conversation that opens a door and one that closes it.
The Research on Confrontational Interventions
The classic model, often called the Johnson Model, involves gathering family and friends and presenting prepared statements about the impact of someone’s substance use. The person is then asked to accept treatment on the spot, sometimes with a bed already reserved. It’s the model most people picture when they hear the word “intervention.”
A landmark randomized trial in the Journal of Consulting and Clinical Psychology followed 130 concerned family members of people with drinking problems for 12 months. It compared this confrontational approach against two other family-based models. The Johnson Model engaged about 30 percent of treatment-refusing individuals into care (Miller et al., 1999). That’s a meaningful success rate, but it’s far from the guaranteed breakthrough the format is often marketed as. Researchers also found that participants sometimes disengaged from the process altogether to avoid the confrontation itself.
The Research on CRAFT
Community Reinforcement and Family Training, known as CRAFT, takes a different approach entirely. Instead of a single confrontational meeting, it teaches family members ongoing communication skills, ways to reinforce positive behavior, and strategies for allowing natural consequences of substance use to unfold safely. The goal is making treatment more appealing over time rather than demanding acceptance in one sitting.
In the same 1999 trial, CRAFT-trained family members engaged 64 percent of treatment-refusing individuals into care, more than double the Johnson Model’s rate, while Al-Anon facilitation alone engaged just 13 percent (Miller et al., 1999). A 2017 review of the research by the Canadian Centre on Substance Use and Addiction found a similar pattern. CRAFT engaged about 67 percent of loved ones into care, compared to 18 percent for Al-Anon or Nar-Anon-based approaches. A later systematic review in the journal Addiction found that CRAFT’s engagement rates shift depending on how it’s delivered (Archer et al., 2020). Individual coaching ranged from 12.5 to 71 percent across studies, while combined individual-plus-group formats reached 77 to 86 percent. Across this body of research, family members who receive CRAFT training also report improvements in their own wellbeing. These include reduced depression, anxiety, and family conflict, even in cases where the person struggling with substance use had not yet entered treatment.
Why the Confrontational Model Underperforms
Researchers point to a few consistent reasons the surprise-confrontation format struggles:
- Feeling ambushed erodes trust. Even if someone agrees to treatment in the moment, the sense of being cornered can undermine long-term engagement.
- It relies on a single high-stakes moment. If that one conversation doesn’t land, there’s often no structured follow-up plan.
- It doesn’t equip family members with ongoing tools. Once the intervention is over, families are often left without a clear next step if the person continues to resist help.
CRAFT and similar approaches treat engagement as a process rather than a single event. That gives families more chances to succeed and more support if the first attempt doesn’t work.
What CRAFT-Style Skills Look Like Day to Day
Families don’t need to run a formal intervention to start using the ideas behind CRAFT. The approach generally centers on a few core habits, usually developed with a therapist or family coach:
- Noticing and reinforcing sober behavior. Acknowledging positive choices, like a calm evening or a kept commitment, rather than focusing conversation only on the substance use itself.
- Stepping back from problem-solving the consequences. Allowing natural, safe consequences of substance use to occur instead of consistently softening them.
- Improving communication timing. Raising concerns when the person is calm and receptive rather than during conflict or immediately after use.
- Protecting the family member’s own well-being. CRAFT explicitly includes self-care and stress management for the concerned family member, not just strategies aimed at the person using substances.
None of these steps require a single dramatic conversation, and none of them work as a script. A therapist trained in CRAFT or a similar family-behavior approach can help tailor these ideas to a specific situation, including any safety concerns that need to be addressed first.
What This Means If You’re Considering an Intervention
No intervention model, including CRAFT, guarantees that a loved one will accept treatment. Addiction involves genuine ambivalence, and no family conversation can fully override that on its own. What the research supports is a clear pattern: approaches focused on communication, patience, and behavior change consistently outperform approaches focused on confrontation and ultimatums.
Before staging any kind of intervention, it’s worth talking with a professional who can help assess which approach fits the specific situation, including whether safety concerns require a different kind of response entirely. Heartfelt’s guide on how addiction interventionists support families in New Hampshire walks through what that process looks like in more depth.
How Heartfelt Supports Families
Heartfelt Recovery Centers works with family members navigating exactly this kind of decision. Our family support resources are grounded in the research on what actually helps loved ones engage with treatment, not on the most dramatic version of an intervention. Heartfelt is a Joint Commission-accredited outpatient center offering PHP, IOP, and standard outpatient care in Southern New Hampshire and Northern Massachusetts, with flexible scheduling and evening and weekend hours built in. That structure matters for families balancing intervention planning with work, school, and everyday responsibilities. Joint Commission accreditation and our LegitScript certification mean our programs are held to independently verified standards of safety and care quality, something worth confirming with any provider a family is considering.
If your loved one is not ready for a full intervention conversation yet, families sometimes find it useful to start with smaller, related resources. Heartfelt’s guide on enabling versus supporting a loved one through addiction covers some of the same behavior-change principles that CRAFT is built on. Our article on what to do when someone doesn’t want help addresses the ambivalence many families face before an intervention is even on the table.
Frequently Asked Questions
What’s the success rate of a typical intervention?
It depends entirely on the model. Research shows confrontational, Johnson Model interventions engage roughly 30 percent of treatment-refusing individuals into care. CRAFT-based approaches typically engage 64 to 67 percent, with some multi-modality formats reaching higher (Miller et al., 1999; Archer et al., 2020).
Is CRAFT harder to do than a traditional intervention?
CRAFT takes longer to implement since it’s built around ongoing communication and behavior change rather than a single meeting. It doesn’t require a formal group confrontation, though, and can often be learned with guidance from a therapist or family coach.
Can an intervention make things worse?
Confrontational interventions carry a real risk of damaging trust if the person feels ambushed, particularly if they decline treatment on the spot. This is part of why research-backed alternatives like CRAFT, which avoid surprise confrontations, tend to produce better outcomes.
What should a family do if their loved one refuses to acknowledge a problem?
This is common and doesn’t mean nothing can be done. Approaches like CRAFT specifically address ambivalence and denial by focusing on what family members can change in their own responses, rather than requiring the person to agree there’s a problem before progress can happen.
Considering an Intervention? Talk to a Professional First
If you’re weighing an intervention or simply don’t know where to start with a loved one who won’t seek help, talking with a treatment professional first can shape a more effective approach. Contact our team to talk through options for your family, or verify insurance to understand what’s covered if your loved one is ready for treatment.
MD Mitchell Grant Cohen
Dr. Mitchell G. Cohen is a board-certified Internal Medicine specialist with over 34 years of experience in patient-centered healthcare. A graduate of Hahnemann University School of Medicine, Dr. Cohen completed his internship at the University Health Center of Pittsburgh, where he gained invaluable hands-on experience. He is also a certified addiction specialist, holding membership with the American Society of Addiction Medicine (ASAM).
Currently based in Nashua, NH, Dr. Cohen is affiliated with Saint Joseph Hospital, where he provides comprehensive care focusing on both internal medicine and addiction treatment. His expertise includes prevention, diagnosis, and management of adult diseases, as well as specialized care for individuals facing substance use disorders.
Dr. Cohen is committed to fostering open communication, ensuring his patients are fully informed and empowered to make confident decisions about their health and treatment options.
