Types of Therapy for Depression: How CBT, Behavioral Activation, and Interpersonal Therapy Compare

Last reviewed: 07/15/2026

Reviewed by: Dr. Kiesa Kelly

When you start looking for help with depression, you quickly run into an alphabet soup of options — CBT, BA, IPT, and more — and an obvious question: which one is best? It is a reasonable thing to want. If therapy is going to take time and energy, you would like to pick the right one. The honest, research-backed answer is both freeing and a little surprising: the main evidence-based therapies for depression work about equally well, and the more useful question is not which is best, but which is the best fit for you.

This article compares the three most established psychotherapies for adult depression — cognitive behavioral therapy, behavioral activation, and interpersonal therapy. We will look at how each one actually works, what the evidence says about their effectiveness, and how to think about choosing between them, so you can walk into a first appointment with a clearer sense of what you are looking for.

In this article, you'll learn:

• Why several depression therapies are considered equally effective

• How CBT, behavioral activation, and interpersonal therapy each work

• What distinguishes them at the level of mechanism and experience

• A practical way to decide which approach might fit you

• What the evidence says about telehealth-delivered therapy

The short answer: several therapies work, and about equally well

Here is the finding that reshapes the whole "which is best" question. A large network meta-analysis pooling 331 trials and more than 34,000 patients concluded that the major types of psychotherapy are effective for adult depression, "with few significant differences between them," and that patient preference and availability may matter more than the specific model in choosing between them [2]. The two leading clinical guidelines agree. The American Psychological Association's 2019 guideline recommends psychotherapy for adult depression without ranking one model above the others, listing cognitive and behavioral therapies, interpersonal therapy, and others as comparably effective options [1]. The United Kingdom's NICE guideline similarly offers a menu of therapies rather than a single winner, matched to severity and preference [6].

This does not mean the therapies are interchangeable in feel or focus — they are quite different to sit through. It means that, on average, choosing a well-delivered evidence-based therapy matters more than choosing a particular one. That is genuinely good news: it gives you room to pick the approach that matches how you understand your own depression. A thorough psychological assessment can help clarify what is driving your mood and which starting point makes sense.

Common misconceptions about choosing a therapy

"There is one best therapy for depression, and I need to find it." The evidence does not support a single best therapy. Multiple approaches produce similar results, so the search for the one perfect method can become its own obstacle. A tool like the PHQ-9 depression screener can help you and a clinician gauge severity and track progress, whichever approach you choose.

"CBT is the only evidence-based option." CBT is the most studied, which is not the same as being the only one that works. Behavioral activation and interpersonal therapy both have strong evidence bases, and in direct comparisons they hold their own against CBT [2][3][4]. Being well-researched is a reason to trust CBT — not a reason to dismiss the alternatives.

"If one therapy didn't help, therapy won't help me." A disappointing experience with one approach — or one therapist — does not predict the next. Because the models differ in emphasis, a person who did not connect with the thought-focused work of CBT may respond well to the activity focus of behavioral activation or the relationship focus of interpersonal therapy. A poor fit is information, not a verdict.

The main evidence-based options

Cognitive behavioral therapy (CBT)

CBT is built on the idea that thoughts, feelings, and behaviors are linked, and that depression is maintained by patterns in all three. In practice, you learn to notice and question the harsh, distorted, or hopeless thinking that depression amplifies, while also making concrete behavioral changes. It is structured and skills-based, usually running about 12 to 20 weekly sessions, with shorter courses of 6 to 12 also common, and it is the most extensively studied psychotherapy for depression — the largest meta-analysis of any single therapy confirms it is substantially more effective than no treatment and comparable to other active therapies [5].

CBT tends to fit people who recognize a strong thinking component to their depression: relentless self-criticism, catastrophic predictions, or the sense that their mind talks them out of everything. Picture someone who gets through the workday but spends every quiet moment replaying mistakes and forecasting failure, whose mood follows the running commentary in their head. For that person, learning to catch and test those thoughts — and to act differently despite them — can be a direct route out.

Behavioral activation (BA)

Behavioral activation works mainly on the behavior side of that triangle. Depression pulls people into withdrawal: you do less, you enjoy less, you contact fewer of the things that once gave life meaning, and the emptiness deepens the depression, which makes you withdraw further. BA reverses that spiral deliberately, helping you rebuild contact with rewarding and valued activities in small, planned steps — working from the outside in, changing behavior to lift mood rather than waiting to feel motivated first. It is a focused approach, and its evidence is impressive: in the large COBRA trial, behavioral activation was as effective as full CBT and could be delivered by less-specialized clinicians, making it easier to access [3]. Our overview of behavioral activation for depression goes deeper into how it works.

BA often fits people whose depression shows up most as shutdown and inertia. Imagine someone who has slowly stopped seeing friends, let hobbies lapse, and now spends most non-work hours in bed scrolling, telling themselves they will re-engage once they feel better — a moment that never comes. Behavioral activation meets that person exactly where they are, starting with tiny, achievable steps rather than demanding motivation they do not have.

Interpersonal therapy (IPT)

Interpersonal therapy takes a different angle entirely. It links depression to what is happening in your relationships and roles, and works on the connection between the two. IPT organizes treatment around one of four common problem areas: grief after a loss, disputes in an important relationship, difficult role transitions such as divorce or a new baby, and long-standing struggles with connection [10]. It is time-limited, usually around 12 to 16 sessions, and has a solid evidence base as a stand-alone treatment for depression [4].

IPT tends to fit people whose depression is clearly tied to a relationship or a life change. Consider someone who became depressed in the months after a major move that upended their support network, or after the end of a long relationship — someone for whom the low mood feels inseparable from the social rupture that preceded it. IPT gives that person a structured way to grieve, renegotiate, or rebuild the connections at the center of the pain.

How they compare

What the evidence says about effectiveness

Put side by side, the three come out remarkably even. In the network meta-analysis, head-to-head comparisons showed no significant differences between CBT, behavioral activation, and interpersonal therapy, and all produced large improvements relative to usual care [2]. The COBRA trial found behavioral activation non-inferior to CBT a full year after treatment [3], and dedicated reviews confirm both CBT and IPT as efficacious in their own right [4][5]. When researchers who have spent careers comparing these treatments conclude that the differences between them are small, that is a strong, consistent signal — not a hedge.

When one approach fits better than another

If the therapies are equally effective on average, what should tip the choice? Mechanism and fit. The clearest way to think about it: CBT leans on thoughts and behaviors together, behavioral activation concentrates on rebuilding rewarding action, and interpersonal therapy centers on relationships and roles. Depression that runs on rumination and distorted thinking has an obvious handle in CBT. Depression dominated by withdrawal and lost momentum maps neatly onto behavioral activation. Depression bound up with grief, conflict, or a hard transition points toward interpersonal therapy. Where anxiety travels alongside low mood — as it often does — it is worth checking that too; a quick GAD-7 anxiety screener can help make sure the plan addresses the full picture. And because these approaches overlap and skilled therapists often blend them, the initial choice is a starting direction, not a life sentence.

How to choose

You do not need to diagnose yourself with the "right" therapy before reaching out — a good clinician will help you match approach to need. But a simple heuristic can orient you. If your depression lives mostly in your head — in relentless self-criticism and hopeless predictions — CBT is a strong opening move. If it lives mostly in your withdrawal — in the things you have stopped doing — behavioral activation may fit best. If it lives mostly in your relationships and recent life changes, interpersonal therapy deserves a close look. And if more than one of those rings true, say so; that is useful clinical information, not a complication. Notably, research also shows that getting the treatment you prefer is linked to lower dropout and better engagement [7][8] — so your own sense of what would help is a legitimate, evidence-supported part of the decision.

Other approaches and getting started

CBT, BA, and IPT are the most established, but they are not the only evidence-based options. Approaches such as acceptance and commitment therapy for depression and, for some people, DBT-informed skills can also help, particularly when depression co-occurs with other struggles. If you are not sure where to begin, structured mental health screening is a low-pressure first step, and the results can guide the conversation.

One more practical point: how therapy is delivered matters less than you might expect. A meta-analysis comparing telehealth with in-person care for depression found no significant difference in outcomes or satisfaction [9], which means you can choose the format that makes it easiest to actually show up. That is the kind of flexible, evidence-based care we provide through specialized therapy — matching the approach, and the format, to the person.

Feeling weighed down lately?

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Frequently Asked Questions

What is the most effective therapy for depression?

There is no single most effective therapy. Large reviews find that the main evidence-based psychotherapies — including CBT, behavioral activation, and interpersonal therapy — work about equally well for adult depression, with few meaningful differences between them. Because they are comparably effective, the better question is which approach fits your situation, preferences, and goals.

What is the difference between CBT and behavioral activation?

CBT works on both thoughts and behavior — identifying and shifting unhelpful thinking patterns while also changing what you do. Behavioral activation focuses mainly on the behavior side: gradually rebuilding contact with rewarding, meaningful activities to reverse the withdrawal that deepens depression. In a large trial, behavioral activation worked as well as full CBT, and it can be delivered by a wider range of clinicians.

Is CBT or IPT better for depression?

Neither is reliably better; head-to-head research shows no significant difference between them. CBT targets thoughts and behaviors, while interpersonal therapy focuses on relationships and life transitions linked to your mood. The right choice usually comes down to what feels most relevant to you — whether your depression centers more on thinking patterns or on relationships and role changes.

Does telehealth therapy work for depression?

Yes. A meta-analysis comparing telehealth with in-person care for depression found no significant difference in outcomes or patient satisfaction. For many people, video sessions remove barriers of travel and scheduling and make it easier to start and stay in care. Our practice is telehealth-forward across Tennessee, with an in-person option in Nashville.

How long does therapy for depression take?

It varies by person and approach, but structured therapies for depression are usually time-limited. CBT typically runs about 12 to 20 weekly sessions, with briefer courses of 6 to 12 common; interpersonal therapy is often around 12 to 16 sessions. Many people notice meaningful improvement within the first several weeks, though the full course helps make gains last.

About the Author

Dr. Kiesa Kelly is a licensed clinical psychologist and the founder of ScienceWorks Behavioral Healthcare, with more than 20 years of experience in psychological assessment and evidence-based treatment. Her clinical background spans the mood and anxiety disorders and the structured psychotherapies — including cognitive behavioral therapy, behavioral activation, and interpersonal approaches — that are first-line for adult depression.

Dr. Kelly's training emphasized matching treatment to the individual rather than applying a single method to everyone, the principle at the heart of this comparison. At ScienceWorks, she leads a telehealth-forward practice serving Tennessee, with an in-person option in Nashville, and reviews the practice's clinical content for accuracy.

References

1. American Psychological Association Guideline Development Panel. Clinical Practice Guideline for the Treatment of Depression Across Three Age Cohorts. 2019. https://www.apa.org/depression-guideline/adults

2. Cuijpers P, Quero S, Noma H, et al. Psychotherapies for depression: a network meta-analysis covering efficacy, acceptability and long-term outcomes of all main treatment types. World Psychiatry. 2021;20(2):283–293. https://doi.org/10.1002/wps.20860

3. Richards DA, Ekers D, McMillan D, et al. Cost and Outcome of Behavioural Activation versus Cognitive Behavioural Therapy for Depression (COBRA): a randomised, controlled, non-inferiority trial. The Lancet. 2016;388(10047):871–880. https://doi.org/10.1016/S0140-6736(16)31140-0

4. Cuijpers P, Geraedts AS, van Oppen P, et al. Interpersonal Psychotherapy for Depression: A Meta-Analysis. American Journal of Psychiatry. 2011;168(6):581–592. https://doi.org/10.1176/appi.ajp.2010.10101411

5. Cuijpers P, Miguel C, Harrer M, et al. Cognitive behavior therapy vs. control conditions, other psychotherapies, pharmacotherapies and combined treatment for depression: a comprehensive meta-analysis including 409 trials with 52,702 patients. World Psychiatry. 2023;22(1):105–115. https://doi.org/10.1002/wps.21069

6. National Institute for Health and Care Excellence. Depression in adults: treatment and management (NG222). 2022. https://www.nice.org.uk/guidance/ng222

7. Windle E, Tee H, Sabitova A, et al. Association of Patient Treatment Preference With Dropout and Clinical Outcomes in Adult Psychosocial Mental Health Interventions: A Systematic Review and Meta-analysis. JAMA Psychiatry. 2020;77(3):294–302. https://doi.org/10.1001/jamapsychiatry.2019.3750

8. Eigenhuis E, Waumans RC, Muntingh ADT, et al. The Effects of Patient Preference on Clinical Outcome, Satisfaction and Adherence Within the Treatment of Anxiety and Depression: A Meta-Analysis. Clinical Psychology & Psychotherapy. 2024;31(2):e2985. https://doi.org/10.1002/cpp.2985

9. Scott AM, Clark J, Greenwood H, et al. Telehealth v. face-to-face provision of care to patients with depression: a systematic review and meta-analysis. Psychological Medicine. 2022;52(14):2681–2688. https://doi.org/10.1017/S0033291722002331

10. International Society of Interpersonal Psychotherapy. Key IPT Strategies. https://interpersonalpsychotherapy.org/ipt-basics/key-ipt-strategies/

11. Ekers D, Richards D, McMillan D, et al. Behavioural activation for depression: treatment protocol (COBRA). 2014. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3903024/

Disclaimer

This article is for informational and educational purposes only and is not a substitute for professional medical or mental health advice, diagnosis, or treatment. Reading it does not create a clinician–patient relationship. If you are experiencing depression, consult a qualified professional to discuss the options best suited to you. If you are in crisis or thinking about harming yourself, call or text 988 (the Suicide and Crisis Lifeline) or go to your nearest emergency room.