| Course | PAC 110 Addiction Theories |
|---|---|
| Module | Module 7 |
| Paper type | Psychotherapy systems comparison |
| Length | About 1,110 words, 7 pages |
| Format | APA 7 student paper |
| School | Aspen University |
| Program | Psychology and Addiction Studies |
| Updated | October 2026 |
Free sample paper for PAC 110 Module 7
One Model or Many? What Project MATCH and the Common Factors Debate Mean for an Outpatient Addiction Program
Student Name
Psychology and Addiction Studies Program, Aspen University
PAC 110: Addiction Theories
Instructor Name
Month Day, Year
One Model or Many? What Project MATCH and the Common Factors Debate Mean for an Outpatient Addiction Program
Millbrook Counseling Center, an invented outpatient addiction program in western Pennsylvania, employs eleven counselors who use a mix of approaches. Some rely on cognitive-behavioral methods, others on motivational interviewing, a few on twelve-step facilitation and one on psychodynamic therapy learned in graduate school. The program's new clinical director wants to train everyone in a single evidence-based model, arguing that consistency will improve outcomes and simplify supervision. Several counselors object that clients differ and that no single model fits everyone. This paper compares the main systems of psychotherapy in addiction practice and examines what the research says about the director's proposal. Millbrook and its staff are invented for this assignment; the research is real.
Five Systems of Psychotherapy
| System | Core theory | What the counselor does | Typical length |
|---|---|---|---|
| Cognitive-behavioral therapy | Use is learned and maintained by thoughts, cues and consequences | Identify high-risk situations, build coping skills, challenge thoughts, plan for relapse | About twelve sessions |
| Motivational enhancement therapy | Change follows from resolving ambivalence and strengthening motivation | Give personalized feedback, evoke change talk, support autonomy | About four sessions |
| Twelve-step facilitation | Recovery grows through acceptance, surrender and active involvement in mutual help | Introduce the steps, encourage meeting attendance and sponsorship | About twelve sessions |
| Behavioral couples therapy | Relationships can sustain or undermine use | Build a recovery contract, increase positive exchanges, improve communication | Twelve to twenty sessions |
| Psychodynamic therapy | Use relieves feelings and conflicts that are hard to bear | Explore feelings, relationships and their history, including in the therapy relationship | Often longer and open-ended |
Project MATCH
The largest test of whether these differences matter was Project MATCH (Project MATCH Research Group, 1997). More than seventeen hundred adults with alcohol problems were randomly assigned to one of three treatments: twelve sessions of cognitive-behavioral coping skills therapy, four sessions of motivational enhancement therapy or twelve sessions of twelve-step facilitation. The study had two arms, one for outpatients and one for clients receiving aftercare following inpatient or day treatment. The researchers hypothesized that clients with particular characteristics would do better in particular treatments, such as clients with more psychiatric problems doing better in cognitive-behavioral therapy.
The results surprised many in the field. Clients in all three treatments improved substantially, drinking far less and on fewer days after treatment, and the differences between treatments were small. Most of the predicted matching effects did not appear. One notable exception was that outpatients with low psychiatric severity had more abstinent days after twelve-step facilitation than after cognitive-behavioral therapy. Motivational enhancement therapy, with a third as many sessions, produced outcomes broadly similar to the longer treatments.
Direct Comparisons of Therapies
Imel et al. (2008) conducted a meta-analysis of studies that directly compared two or more psychotherapies for alcohol use disorders, including only bona fide therapies, those intended to be therapeutic and delivered by trained therapists. The differences between treatments were small. The authors found some variability across studies, but the overall pattern suggested that established therapies produced similar outcomes, consistent with the view that much of their benefit comes from features they share.
The Common Factors Argument
Wampold (2015) reviewed the evidence for common factors, the elements that all therapies share. He emphasized the alliance between client and therapist, the therapist's empathy, the client's expectations that therapy will help, cultural adaptation and the therapist as a person. He reported that these factors, particularly the alliance and empathy, were associated with outcomes more strongly than specific techniques. He also emphasized therapist effects: some therapists consistently achieve better outcomes than others, regardless of the approach they use. Wampold did not argue that techniques are irrelevant; techniques give therapy a structure and a rationale that clients find credible, which is itself part of how therapy works.
What the Findings Do Not Mean
Project MATCH is sometimes read as showing that treatment does not matter, since everyone improved. That reading goes too far. The study had no untreated comparison group, so it cannot say how much of the improvement was due to treatment rather than time, the decision to seek help or the intensive research assessments that every participant received. What it shows is narrower and still important: three carefully delivered treatments built on very different theories led to similar results for most clients. The finding also does not mean that any conversation counts as therapy. The treatments in the trial were manualized, supervised and delivered by trained therapists whose sessions were monitored, which is a higher standard than many community programs meet.
Weighing the Debate
Critics of the common factors view note that some specific treatments, such as exposure for anxiety disorders, do outperform others, and that the absence of differences in some comparisons may reflect measurement limits rather than true equivalence. In addiction treatment, some approaches with specific mechanisms, such as contingency management, have shown advantages over others for particular substances. The fair conclusion is that established psychotherapies for addiction produce broadly similar outcomes, that the relationship and the therapist matter a great deal and that some specific methods add value for some problems.
A Recommendation for Millbrook
The evidence does not support training every counselor in a single model as the main route to better outcomes. A better approach would have four parts. First, Millbrook should support two or three established models, such as cognitive-behavioral therapy, motivational interviewing and twelve-step facilitation, so that counselors can offer clients a choice and use approaches that fit them. Second, counselors should be trained to deliver their chosen models with fidelity, since a bona fide treatment requires skill. Third, the program should routinely measure client outcomes and the alliance, using brief session measures, and share results with counselors. Fourth, supervision should focus on which counselors achieve the best results and why, so that others can learn from them. The director's concern for consistency would be met by consistent quality rather than a single model.
The plan also answers the counselors who objected. Their point that clients differ is partly supported, since clients do better when they trust the approach and the counselor, but Project MATCH suggests that matching by client characteristics is less important than many assume. Offering clients a choice among established approaches respects that difference without requiring precise matching.
Conclusion
Millbrook's director is right that evidence should guide practice but wrong about what the evidence implies. Project MATCH found similar improvement across three very different treatments, Imel and colleagues found small differences among bona fide therapies and Wampold showed the power of the alliance, empathy and the therapist. The program should support several established models, train for skill, measure outcomes and alliance and learn from its most effective counselors.
References
Imel, Z. E., Wampold, B. E., Miller, S. D., & Fleming, R. R. (2008). Distinctions without a difference: Direct comparisons of psychotherapies for alcohol use disorders. Psychology of Addictive Behaviors, 22(4), 533-543. https://doi.org/10.1037/a0013171
Project MATCH Research Group. (1997). Matching alcoholism treatments to client heterogeneity: Project MATCH posttreatment drinking outcomes. Journal of Studies on Alcohol, 58(1), 7-29. https://doi.org/10.15288/jsa.1997.58.7
Wampold, B. E. (2015). How important are the common factors in psychotherapy? An update. World Psychiatry, 14(3), 270-277. https://doi.org/10.1002/wps.20238
PAC 110 Module 7 instructions, in plain terms
A systems-of-therapy assignment, common in the seventh module of PAC 110, asks you to know the major approaches well enough to compare them and then to say what the research means for how agencies and practitioners should work. Follow the Module 7 instructions in your Aspen course; the agency is invented. Describe each system's theory and methods briefly but accurately. Present the major comparative research, including large trials and meta-analyses, with their actual findings. Explain the common factors argument and its evidence. Weigh both sides of the debate about specific techniques. Make a recommendation for practice that follows from the evidence, and cite every study in APA 7 style. Say how the agency would check, a year later, whether the change helped clients.
How this PAC 110 Module 7 example is built
Millbrook's director proposes training all eleven counselors in a single model. The paper describes cognitive-behavioral therapy, motivational enhancement therapy, twelve-step facilitation, behavioral couples therapy and psychodynamic therapy in a five-row table. The Project MATCH Research Group's Journal of Studies on Alcohol report shows similar outcomes across three very different treatments and little support for matching. Imel and colleagues' Psychology of Addictive Behaviors meta-analysis finds small differences among bona fide therapies. Wampold's World Psychiatry update explains the alliance, empathy, expectations and therapist effects. The recommendation: keep two or three evidence-based models, train for fidelity, measure outcomes and alliance routinely and attend to which counselors get the best results, with a one-year review of client outcomes.
PAC 110 Module 7 rubric: what earns full marks
Graders of a comparison paper look for an accurate account of each system, research reported as it was actually found and advice an agency could defend from the data. This example reports Project MATCH's design and results accurately, including its one notable matching finding, rather than oversimplifying it. It presents the common factors argument through Wampold's own summary and includes the counterargument that specific techniques still matter for some problems. The table allows quick comparison. The recommendation is practical and specific, and it reflects the evidence that therapists differ more than therapies, which is the most useful finding for an agency. It also explains how the agency would know whether the plan worked, by tracking outcome and alliance data over a full year.
PAC 110 Module 7 help: mistakes that cost marks
Students often claim that one therapy is the best treatment for addiction. The research shows that several established therapies produce similar results. Report trial findings accurately, including sample sizes and what was compared. Explain the common factors argument and its evidence, but present the counterargument too. Distinguish bona fide therapies from weak comparison conditions, since that distinction drives the meta-analytic findings. Make your recommendation specific to a setting. Do not ignore therapist effects, which are among the most practical findings for agencies. Finally, avoid presenting the debate as settled; reasonable researchers still disagree about how much specific techniques add. Say plainly where your recommendation rests on contested evidence.
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PAC 110 Module 7 questions, answered
What does PAC 110 Module 7 usually ask for?
Aspen's PAC 110 covers systems of psychotherapy and change in this module, so comparing therapies used in addiction treatment and drawing conclusions for practice is typical. Check the Module 7 prompt.
What did Project MATCH find?
That cognitive-behavioral, motivational enhancement and twelve-step facilitation therapies produced similar, substantial improvements, and that matching clients to treatments by their characteristics added little.
What are common factors in therapy?
Elements shared across therapies, such as the alliance, empathy, expectations and the therapist, that Wampold argues account for much of therapy's benefit.
Where can I find a free PAC 110 Module 7 sample paper?
The complete paper is above, comparing five therapy systems for an outpatient program with Project MATCH and common factors research.
Is one therapy best for addiction?
Research such as Imel and colleagues' meta-analysis suggests established therapies for alcohol use disorders produce similar outcomes, with small differences between them.