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What makes psychotherapy work?

Top voices on Psychotherapy: Scott D. Miller, Jonathan Shedler, Terry Real, Arielle Schwartz and 3 others.

They all treat people for a living and disagree about which part of the hour does the work.

20 dated claims from 7 people · 5 views · most recent 25 Aug 2026

The views

Our reading of what a group of claims have in common, one level above a korrent: a korrent is our reading of what somebody said, a view is our reading of what several korrents share. The claims are printed under it, so the sentence can be checked against them.

Nobody is filed under a view — claims are. A person is named here because a dated claim of theirs sits under it, and somebody whose claims sit under two views appears under both.

  1. The person delivering the therapy matters more than the method, and what they do is a skill that can be seen and trained

    Jonathan ShedlerScott D. Miller

  2. The evidence behind the recommended methods is narrower than the label on them suggests

    Scott D. MillerJonathan Shedler

  3. Nothing lands until the nervous system settles, so the body comes before the insight

    Arielle SchwartzJulie Menanno

  4. What the clinician supplies is containment and a name for the thing, and that is itself the treatment

    Awais Aftab

  5. Change arrives when somebody sees the pattern they are repeating and recoils from it

    Terry RealWendy Behary

A viewour reading

The person delivering the therapy matters more than the method, and what they do is a skill that can be seen and trained

6 claims filed here, newest first — each in the words of whoever said it.

Telling a patient "your feelings are valid" is not therapy: it is the mirror image of "get a grip", and it makes the therapist a judge of feelings instead of a companion in them.

Mental modelsThe therapeutic alliance, Empathy and validation

  1. Jonathan Shedler Clinical psychologist and clinical professor of psychiatry at UCSF The phrase "your feelings are valid" does not invite curiosity or deeper self-understanding, which is the point of psychotherapy. It is the mirror image of "stop whining and get a grip." One sounds warm and one sounds harsh, but neither deepens self-awareness. Skilled Therapists Don't Say "Your Feelings Are Valid"jonathanshedler.substack.com · 22 Jun 2026
    Their wordsThe phrase "your feelings are valid" does not invite curiosity or deeper self-understanding, which is the point of psychotherapy. It is the mirror image of "stop whining and get a grip." One sounds warm and one sounds harsh, but neither deepens self-awareness.

    ↗Skilled Therapists Don't Say "Your Feelings Are Valid"jonathanshedler.substack.com

    22 Jun 2026

Show all 6 claims

Therapists overestimate their own effectiveness by about 65%, and it is not a Western cultural artifact.

  1. Scott D. Miller Founder of the International Center for Clinical… Since 2012 when the first study appeared in the literature, others have been published documenting the tendency of practitioners to overestimate their effectiveness - on average, by 65% (1, 2). Alas, it seems everyone comes from Lake Wobegonwritings.scottdmiller.com · 21 Aug 2024
    Their wordsSince 2012 when the first study appeared in the literature, others have been published documenting the tendency of practitioners to overestimate their effectiveness - on average, by 65% (1, 2).

    ↗Alas, it seems everyone comes from Lake Wobegonwritings.scottdmiller.com

    21 Aug 2024

Training a therapist in a treatment model does not make them more effective, however well the model performs in a trial.

Mental modelActive ingredients, not brands

  1. Scott D. Miller Founder of the International Center for Clinical… Over the last 50 years, treatment methods have proliferated despite a lack of evidence of differential effectiveness between approaches. And even when a randomized controlled trial indicates a particular approach works, none show practitioners become more effective when they are trained in that modality. How to (and not to) become a more effective therapistwritings.scottdmiller.com · 2 Jul 2024
    Their wordsOver the last 50 years, treatment methods have proliferated despite a lack of evidence of differential effectiveness between approaches. And even when a randomized controlled trial indicates a particular approach works, none show practitioners become more effective when they are trained in that modality.

    ↗How to (and not to) become a more effective therapistwritings.scottdmiller.com

    2 Jul 2024

What does make a therapist more effective is trainable interpersonal skill, not treatment technology.

Mental modelsThe therapeutic alliance, Active ingredients, not brands

  1. Scott D. Miller Founder of the International Center for Clinical… It turns out that therapists who perform well on the FIS establish stronger relationships and are more effective (2). More to the point, the evidence shows FIS-related skills are trainable and that such training leads to better results (3, 4, 5). How to (and not to) become a more effective therapistwritings.scottdmiller.com · 2 Jul 2024
    Their wordsIt turns out that therapists who perform well on the FIS establish stronger relationships and are more effective (2). More to the point, the evidence shows FIS-related skills are trainable and that such training leads to better results (3, 4, 5).

    ↗How to (and not to) become a more effective therapistwritings.scottdmiller.com

    2 Jul 2024

Therapists do not improve with experience: on average they become less effective, and their clients drop out more the longer they have practised.

  1. Scott D. Miller Founder of the International Center for Clinical… Indeed, as I've reported in previous posts, research not only shows therapists do not improve with time and experience in the field, but on average become less effective (1, 2, 3, 4). What therapist experience, a nickel, and cup of coffee have in commonwritings.scottdmiller.com · 21 May 2024
    Their wordsIndeed, as I've reported in previous posts, research not only shows therapists do not improve with time and experience in the field, but on average become less effective (1, 2, 3, 4).

    ↗What therapist experience, a nickel, and cup of coffee have in commonwritings.scottdmiller.com

    21 May 2024

The field should stop attributing benefits to clinical experience, because believing in it is itself what stops therapists improving.

  1. Scott D. Miller Founder of the International Center for Clinical… It's time for the field to stop attributing benefits to clinical experience. Beyond the obvious ethical concerns, doing so actually prevents us from improving our effectiveness! What therapist experience, a nickel, and cup of coffee have in commonwritings.scottdmiller.com · 21 May 2024
    Their wordsIt's time for the field to stop attributing benefits to clinical experience. Beyond the obvious ethical concerns, doing so actually prevents us from improving our effectiveness!

    ↗What therapist experience, a nickel, and cup of coffee have in commonwritings.scottdmiller.com

    21 May 2024

A viewour reading

The evidence behind the recommended methods is narrower than the label on them suggests

5 claims filed here, newest first — each in the words of whoever said it.

A therapy is only shown to be more effective if it is compared against another treatment intended to help, not against a control nobody expected to work.

Mental modelWhat counts as evidence

  1. Scott D. Miller Founder of the International Center for Clinical… If one really wanted to know whether a treatment (e.g., CBT, IPT, ACT, EMDR) was more effective, it had to be directly compared to an approach intended to help - what Wampold and colleagues termed, a "bona fide" treatment. Doing otherwise, they argued, conflated artifacts of research design with actual research results. Results from the first bona fide study of deliberate practicewritings.scottdmiller.com · 11 Sept 2024
    Their wordsIf one really wanted to know whether a treatment (e.g., CBT, IPT, ACT, EMDR) was more effective, it had to be directly compared to an approach intended to help - what Wampold and colleagues termed, a "bona fide" treatment. Doing otherwise, they argued, conflated artifacts of research design with actual research results.

    ↗Results from the first bona fide study of deliberate practicewritings.scottdmiller.com

    11 Sept 2024

Show all 5 claims

The APA's trauma treatment guidelines should be ignored, because they rest only on trials of therapies too brief to have worked.

Mental modelWhat counts as evidence

  1. Jonathan Shedler Clinical psychologist and clinical professor of psychiatry at UCSF The American Psychological Association (APA) just issued guidelines for treating trauma. Patients and therapists would be wise to ignore them. Selling Bad Therapy to Trauma Victimspsychologytoday.com · 19 Nov 2017
    Their wordsThe American Psychological Association (APA) just issued guidelines for treating trauma. Patients and therapists would be wise to ignore them.

    ↗Selling Bad Therapy to Trauma Victimspsychologytoday.com

    19 Nov 2017

Psychotherapy follows a dose-response curve: it takes more than 20 sessions before half of patients meaningfully improve, and more than 40 before three quarters do.

Mental modelWhat counts as evidence

  1. Jonathan Shedler Clinical psychologist and clinical professor of psychiatry at UCSF It takes more than 20 sessions, or about six months of weekly therapy, before 50 percent of patients show meaningful improvement. It takes more than 40 sessions for 75 percent of patients to show meaningful improvement. Selling Bad Therapy to Trauma Victimspsychologytoday.com · 19 Nov 2017
    Their wordsIt takes more than 20 sessions, or about six months of weekly therapy, before 50 percent of patients show meaningful improvement. It takes more than 40 sessions for 75 percent of patients to show meaningful improvement.

    ↗Selling Bad Therapy to Trauma Victimspsychologytoday.com

    19 Nov 2017

"Evidence-based therapy" is a branding term rather than a scientific one, and in practice it is a code word for "not psychodynamic".

Mental modelsWhat counts as evidence, Active ingredients, not brands

  1. Jonathan Shedler Clinical psychologist and clinical professor of psychiatry at UCSF The term "evidence-based therapy" is also, de facto, a code word for "not psychodynamic." Evidence-Based Therapy: Science or Marketing?psychologytoday.com · 2 Oct 2013
    Their wordsThe term "evidence-based therapy" is also, de facto, a code word for "not psychodynamic."

    ↗Evidence-Based Therapy: Science or Marketing?psychologytoday.com

    2 Oct 2013

No research ever showed manualized CBT to be more effective than psychodynamic therapy; it was only studied more often.

Mental modelWhat counts as evidence

  1. Jonathan Shedler Clinical psychologist and clinical professor of psychiatry at UCSF No research ever suggested that manualized CBT was more effective than psychodynamic therapy. It was just more often researched. There is a world of difference between saying a treatment is less often researched and saying it has been scientifically discredited. Evidence-Based Therapy: Science or Marketing?psychologytoday.com · 2 Oct 2013
    Their wordsNo research ever suggested that manualized CBT was more effective than psychodynamic therapy. It was just more often researched. There is a world of difference between saying a treatment is less often researched and saying it has been scientifically discredited.

    ↗Evidence-Based Therapy: Science or Marketing?psychologytoday.com

    2 Oct 2013

A viewour reading

Nothing lands until the nervous system settles, so the body comes before the insight

4 claims filed here, newest first — each in the words of whoever said it.

The body is not an archive of trauma: what feels like a memory stored in the hips or the jaw is a mind-body feedback loop, and the loop is what therapy interrupts.

  1. Arielle Schwartz Clinical psychologist, EMDR consultant and yoga teacher in Boulder, Colorado It may not be stored there, but what you're tapping into, it's not a repository of the memory, but it's part of this mind-body feedback loop where there's a sensation that your brain has an association to that might have a familiarity to a time in which you felt sad or scared. If the Body Doesn't Keep the Score, What Does?drarielleschwartz.com · 25 Aug 2026
    Their wordsIt may not be stored there, but what you're tapping into, it's not a repository of the memory, but it's part of this mind-body feedback loop where there's a sensation that your brain has an association to that might have a familiarity to a time in which you felt sad or scared.

    ↗If the Body Doesn't Keep the Score, What Does?drarielleschwartz.com

    25 Aug 2026

Show all 4 claims

"The body keeps the score" is only half the story, and the missing half matters: a body described only as a harbinger of the past is a body people learn to avoid.

  1. Arielle Schwartz Clinical psychologist, EMDR consultant and yoga teacher in Boulder, Colorado the issue that I take with some of the language around "the body keeps the score" is that it maybe doesn't also recognize that the body also carries so much wisdom and so much intelligence and kind of helps guide us towards healing If the Body Doesn't Keep the Score, What Does?drarielleschwartz.com · 25 Aug 2026
    Their wordsthe issue that I take with some of the language around "the body keeps the score" is that it maybe doesn't also recognize that the body also carries so much wisdom and so much intelligence and kind of helps guide us towards healing

    ↗If the Body Doesn't Keep the Score, What Does?drarielleschwartz.com

    25 Aug 2026

Getting angry quickly in an anxiously attached person is a threat-detection habit their nervous system learned, not a character flaw.

Mental modelsThe pain beneath the symptom, Attachment patterns

  1. Julie Menanno Marriage and family therapist working from attachment… When you get angry fast, it usually is not because you are "too much." It is often because your nervous system learned to live on alert. How Anger Shows Up in Anxious Attachment, and What the Work Isjuliemenanno.substack.com · 29 Apr 2026
    Their wordsWhen you get angry fast, it usually is not because you are "too much." It is often because your nervous system learned to live on alert.

    ↗How Anger Shows Up in Anxious Attachment, and What the Work Isjuliemenanno.substack.com

    29 Apr 2026

Regulation must precede reflection: cognitive insight fails while a nervous system is in defensive dominance.

Mental modelRegulate, then reflect

  1. Arielle Schwartz Clinical psychologist, EMDR consultant and yoga teacher in Boulder, Colorado Polyvagal theory provided me with a coherent framework for understanding why cognitive insight alone often fails when a nervous system is in defensive dominance. In such states, higher-order cortical processes are functionally constrained. Clinical Reflections on the Critique on Polyvagal Theory proposed by Grossman et al., (2026)drarielleschwartz.com · 2 Mar 2026
    Their wordsPolyvagal theory provided me with a coherent framework for understanding why cognitive insight alone often fails when a nervous system is in defensive dominance. In such states, higher-order cortical processes are functionally constrained.

    ↗Clinical Reflections on the Critique on Polyvagal Theory proposed by Grossman et al., (2026)drarielleschwartz.com

    2 Mar 2026

A viewour reading

What the clinician supplies is containment and a name for the thing, and that is itself the treatment

2 claims filed here, newest first — each in the words of whoever said it.

The Rumpelstiltskin effect claims only that the act of being diagnosed can itself help, not that a diagnosis is a net good for the patient.

  1. Awais Aftab Psychiatrist and clinical assistant professor at Case… The Rumpelstiltskin effect is not a claim that receiving a diagnosis is a net benefit or a net positive. It is a claim that the mere act of receiving a diagnosis can be beneficial. The Principle of Rumpelstiltskin: Psychiatrists and Witchdoctorspsychiatrymargins.com · 25 Jul 2026
    Their wordsThe Rumpelstiltskin effect is not a claim that receiving a diagnosis is a net benefit or a net positive. It is a claim that the mere act of receiving a diagnosis can be beneficial.

    ↗The Principle of Rumpelstiltskin: Psychiatrists and Witchdoctorspsychiatrymargins.com

    25 Jul 2026

A prescriber cannot outsource containment to the therapy hour: the emotional and relational dynamics are part of prescribing, not an intrusion on it.

Mental modelThe therapeutic alliance

  1. Awais Aftab Psychiatrist and clinical assistant professor at Case… The emotional and relational dynamics are not an intrusion upon the work of prescribing. They are a part of the work itself. The Fantasy of Being "Just" a Psychiatric Prescriberpsychiatrymargins.com · 5 Jul 2026
    Their wordsThe emotional and relational dynamics are not an intrusion upon the work of prescribing. They are a part of the work itself.

    ↗The Fantasy of Being "Just" a Psychiatric Prescriberpsychiatrymargins.com

    5 Jul 2026

A viewour reading

Change arrives when somebody sees the pattern they are repeating and recoils from it

3 claims filed here, newest first — each in the words of whoever said it.

Character is not fixed: therapy works because habitual neural pathways can re-form, sometimes within minutes.

  1. Terry Real Family therapist and founder of Relational Life Therapy In my practice, I have seen that opening neural pathways can lead to profound change, to brand-new traits and behavior, sometimes in a matter of minutes. The Myth of the Individualterryreal.com · 11 Aug 2023
    Their wordsIn my practice, I have seen that opening neural pathways can lead to profound change, to brand-new traits and behavior, sometimes in a matter of minutes.

    ↗The Myth of the Individualterryreal.com

    11 Aug 2023

Show all 3 claims

Opening a fixed relational pattern takes two things: the implicit made explicit, and the person's own recoil from what they see.

Mental modelsEarly templates, The pursue-withdraw cycle

  1. Terry Real Family therapist and founder of Relational Life Therapy Neurobiologists tell us that it takes two things to unlock and open up a neural pathway. The first is that the implicit must be made explicit. Sometimes you need help seeing what you don't see. But you must be open to the feedback. Second, there must be some sort of recoil, a sense of discrepancy, of "Oh no, I'm not sure I really want to keep doing that." The Myth of the Individualterryreal.com · 11 Aug 2023
    Their wordsNeurobiologists tell us that it takes two things to unlock and open up a neural pathway. The first is that the implicit must be made explicit. Sometimes you need help seeing what you don't see. But you must be open to the feedback. Second, there must be some sort of recoil, a sense of discrepancy, of "Oh no, I'm not sure I really want to keep doing that."

    ↗The Myth of the Individualterryreal.com

    11 Aug 2023

Narcissists can change meaningfully in therapy, though nobody changes completely, and most of the work is persisting with empathic confrontation past the first rebuff.

Mental modelsThe therapeutic alliance, Empathy and validation

  1. Wendy Behary Psychotherapist, founder of The Cognitive Therapy Center… In 30+ years of working with narcissistic men mostly - yes, it is possible for people to change. And even narcissists can change. Now, I don't really believe anyone changes completely, but it is possible to get meaningful change. ERP 226: How To Understand And Deal With a Narcissist, an Interview With Wendy Behary [Transcript]drjessicahiggins.com · 30 Jul 2020
    Their wordsIn 30+ years of working with narcissistic men mostly - yes, it is possible for people to change. And even narcissists can change. Now, I don't really believe anyone changes completely, but it is possible to get meaningful change.

    ↗ERP 226: How To Understand And Deal With a Narcissist, an Interview With Wendy Behary [Transcript]drjessicahiggins.com

    30 Jul 2020

Where the claims collide

Asserted relations, each with the curator’s reason — never computed, because similarity cannot tell agreement from opposition.

Therapists do not improve with experience: on average they become less effective, and their clients drop out more the longer they have practised.

held by Scott D. Miller

These pull against each other

Psychotherapy follows a dose-response curve: it takes more than 20 sessions before half of patients meaningfully improve, and more than 40 before three quarters do.

held by Jonathan Shedler

Shedler says therapy follows a dose-response curve, with more than twenty sessions before half of patients meaningfully improve. Miller says therapists on average get LESS effective the longer they have practised. More of the treatment helps and more practice at giving it does not, which is a strange pair to hold at once and both men have the trials.

On this topic, not yet placed

Matched by wording, not yet read into a view. The archive grows on its own, so this is where new claims wait for somebody to read them.

The full chronology, with every quote: Psychotherapy as a timeline · person by person, side by side · all topics · Something wrong? Tell us