What Is an Intervention, and Does It Actually Work?

An intervention is a planned meeting where the people closest to a man ask him to accept treatment for a substance use disorder. Most families picture the same version: the surprise gathering, the letters read out loud, the bag packed by the door. If you are weighing whether to do that for your husband, your son, or your brother, there is research behind the answer.

Does an intervention work? Sometimes, and less often than the format’s reputation suggests. In a randomized trial comparing three family approaches, a skills-based method called Community Reinforcement and Family Training engaged 64 percent of initially unmotivated problem drinkers in treatment, the confrontational Johnson Model engaged 30 percent, and an Al-Anon facilitation approach engaged 13 percent.

Why families consider an intervention

Nobody plans an intervention because things are going well. Families get here after years of conversations that went nowhere, and the meeting starts to look like the only lever left.

You are not dealing with something rare. In 2024, 48.4 million people aged 12 or older in the United States had a substance use disorder in the past year, or 16.8 percent of the population, according to the Substance Abuse and Mental Health Services Administration. That includes 27.9 million people with an alcohol use disorder and 28.2 million with a drug use disorder.

The harder number is the second one. Among people classified as needing substance use treatment in 2024, about 1 in 5, or 19.3 percent, actually received it. Read that as a fact about how hard the first step is, not a verdict on the man you are worried about. Most people who need treatment do not get there on their own, which is why families start looking for a way to help.

What actually happens in an intervention

A traditional intervention has four parts: a group assembled in advance, prepared statements, a treatment option arranged before anyone sits down, and a clear request that he accept it that day. The group is normally four to eight people whose opinion he cannot dismiss, and some families hire a professional interventionist to run it. Guiding Road does not stage interventions or employ interventionists, so this guide is here to help you think it through.

The format that shaped the popular image of an intervention is the Johnson Model, developed by the Johnson Institute in the 1960s. Family and close friends meet with a counselor beforehand, each writes a statement describing specific incidents and how they were affected, and a treatment bed is arranged so he can go the same day. The model rests on one idea: a concentrated dose of reality from everyone he loves, delivered at once, breaks through denial.

Almost everything is settled before he walks in: which treatment option is offered, who speaks and in what order, what each person says, and what each person will change about their own behavior if he says no. That last piece is the one families skip, and the one the research keeps returning to.

What the research says about whether interventions work

The study most often cited is a randomized clinical trial published in the Journal of Consulting and Clinical Psychology in 1999. Researchers assigned 130 concerned significant others, the research term for the family member seeking help, to one of three approaches: Al-Anon facilitation, a Johnson Institute intervention, or Community Reinforcement and Family Training, usually shortened to CRAFT. Each gave the family member the same 12 hours of contact, so the comparison is between methods, not between more help and less.

CRAFT engaged 64 percent of initially unmotivated problem drinkers in treatment. The Johnson Model engaged 30 percent and Al-Anon facilitation 13 percent.

The detail underneath the Johnson number is the one to sit with. About 70 percent of families counseled in that condition decided not to go through with the confrontation at all. Among those who did hold it, 75 percent got their loved one into treatment. The confrontation works reasonably well when it happens. It usually does not happen.

All three approaches were associated with similar improvement in the family member’s own functioning and relationship quality. Whatever you choose, structured help changes something for you.

One caution about every figure above: each measures whether a person entered treatment. That is not the same as recovery, and none of these percentages describe what happened afterward, or belong to any one program.

Approaches that engage more people

If the goal is getting him to accept help, the evidence favors methods that work on the everyday relationship rather than on one dramatic hour.

CRAFT trains the family member, not the person using. Over a series of sessions you learn to communicate without escalating, reinforce the times he is not using, stop cushioning the consequences of use, raise treatment when he is receptive, and look after yourself while you do it. It has held up in a second trial. In a 2002 randomized trial of 90 families of treatment-refusing drug users, CRAFT alone engaged 58.6 percent, CRAFT with added group aftercare engaged 76.7 percent, and an Al-Anon and Nar-Anon approach engaged 29 percent. It is the family’s role in recovery, applied before he ever says yes.

You can also do the preparation of an intervention without the surprise. Pick a sober moment, keep it to one or two people, name specific things you have seen rather than character judgments, and have an option ready so the conversation ends with a next step instead of a promise. Our guide on how to talk about recovery with someone you love walks through the wording.

Before you stage anything, call a clinician or an admissions team. They can tell you which options fit his situation, whether medical detox needs to be coordinated first, and whether your timing is realistic. Fifteen minutes on the phone can save a family from a meeting that was never going to land. Guiding Road offers support for families working through this decision.

Common myths about interventions

Myth: he has to hit rock bottom first. Waiting for a crisis is not a strategy. The National Institute on Drug Abuse states in its principles of effective treatment that treatment does not need to be voluntary to be effective, and that pressure from family, employers, or the legal system can increase both treatment entry and retention. A man who enters because his wife made it hard to keep going as he was is not starting from a worse position than a man who walked in on his own.

Myth: an intervention means surprising and confronting him. That is one model, and in the trial above it was the one most families abandoned before the meeting happened. The methods that engaged the most people were the ones families used at home, over weeks, in ordinary conversations.

Myth: if he says no, it failed. Engagement research measures a moment, not a lifetime. In the 1999 trial, engagement typically came after four to six sessions with the family member, so the successes were rarely a single dramatic yes. A refusal today closes one conversation, not the door.

When to talk to a professional

Some situations are past the point where a family should strategize alone.

Seek immediate care if you see use escalating quickly, any overdose or near overdose, withdrawal symptoms when he stops, unknown pills or anything that may contain fentanyl, or a mental health crisis alongside the substance use. Call 911 in an emergency, and the 988 Suicide and Crisis Lifeline is available 24 hours a day by call or text. For what to do in the moment, read how to respond to an overdose.

A first call is a conversation, not a commitment. You describe what has been happening, the admissions team asks about his situation and history, and you leave with a clearer picture of the options. You can read what to expect in treatment before you dial.

Common questions about interventions

What is an intervention for addiction?

It is a planned meeting in which family and close friends ask a person with a substance use disorder to accept treatment, usually with a program arranged in advance. The best-known format is the Johnson Model, a rehearsed group confrontation, and it is one approach among several.

Do interventions actually work?

Sometimes. In a randomized trial of 130 families, the confrontational model engaged 30 percent of people in treatment, against 64 percent for the skills-based CRAFT approach. Most families assigned to hold a confrontation never held it.

Who should be at an intervention?

Usually four to eight people whose relationship with him carries real weight: a spouse, parents, adult siblings, a close friend, sometimes an employer. Anyone who cannot stay calm, or who has an unresolved conflict with him, is better left out.

What is CRAFT, and how is it different from an intervention?

Community Reinforcement and Family Training teaches the family member communication and behavior-change skills to use at home over weeks, rather than in one confrontation, and attends to that family member’s own wellbeing. In trials it engaged more people than confrontation or Al-Anon facilitation.

What should you not say during an intervention?

Avoid labels, old grievances, ultimatums you will not keep, and anything that invites a debate about how bad the problem is. Describe what you saw and how it affected you. The goal is a decision about treatment, not agreement about the past.

What happens if he refuses treatment?

You keep the door open and keep using the skills that raise the odds next time. Involuntary commitment exists in some states and is a separate legal process with its own criteria, covered in our guide on what to do when he refuses treatment.

Guiding Road is a men-only program in the Phoenix, Arizona metro offering residential, PHP, and IOP care, abstinence-based and 12-step-immersive, accredited by the Joint Commission for behavioral health care. If you are working out the next step for a man in your life, the admissions team can talk it through with you.

Sources

1. Substance Abuse and Mental Health Services Administration. (2025). Key Substance Use and Mental Health Indicators in the United States: Results from the 2024 National Survey on Drug Use and Health. SAMHSA. https://www.samhsa.gov/data/report/2024-nsduh-annual-national-report
2. Miller, W. R., Meyers, R. J., & Tonigan, J. S. (1999). Engaging the unmotivated in treatment for alcohol problems: A comparison of three strategies for intervention through family members. Journal of Consulting and Clinical Psychology, 67(5), 688-697. https://pubmed.ncbi.nlm.nih.gov/10535235/
3. Meyers, R. J., Miller, W. R., Smith, J. E., & Tonigan, J. S. (2002). A randomized trial of two methods for engaging treatment-refusing drug users through concerned significant others. Journal of Consulting and Clinical Psychology, 70(5), 1182-1185. https://pubmed.ncbi.nlm.nih.gov/12362968/
4. National Institute on Drug Abuse. (2018). Principles of Drug Addiction Treatment: A Research-Based Guide (Third Edition). NIDA. https://nida.nih.gov/sites/default/files/podat-3rdEd-508.pdf