The dose-effect relationship in psychotherapy.

Meta-analysis of comparative therapy outcome studies: a replication and refinement.

Shapiro, D. A., & Shapiro, D. (1982) · Psychological Bulletin · doi:10.1037/0033-2909.92.3.581 · Cited by 590

The efficacy of motivational interviewing: a meta-analysis of controlled clinical trials

Burke, B. L., Arkowitz, H., & Menchola, M. (2003) · Journal of Consulting and Clinical Psychology · doi:10.1037/0022-006x.71.5.843 · Cited by 1,575

The Empirical Status of Empirically Supported Psychotherapies: Assumptions, Findings, and Reporting in Controlled Clinical Trials.

Westen, D., Novotny, C. M., & Thompson-Brenner, H. (2004) · Psychological Bulletin · doi:10.1037/0033-2909.130.4.631 · Cited by 1,212

Treatment utilization by patients with personality disorders

Bender, D. S., Dolan, R. T., Skodol, A. E., Sanislow, C. A., Dyck, I. R., McGlashan, T. H., Shea, M. T., Zanarini, M. C., Oldham, J. M., & Gunderson, J. G. (2001) · American Journal of Psychiatry · doi:10.1176/appi.ajp.158.2.295 · Cited by 779

The psychotherapy dose-response effect and its implications for treatment delivery services.

Hansen, N. B., Lambert, M. J., & Forman, E. M. (2002) · Clinical Psychology: Science and Practice · doi:10.1093/clipsy.9.3.329 · Cited by 783

Drop-out from addiction treatment: A systematic review of risk factors

Brorson, H. H., Ajo Arnevik, E., Rand-Hendriksen, K., & Duckert, F. (2013) · Clinical Psychology Review · doi:10.1016/j.cpr.2013.07.007 · Cited by 654

Is it time for clinicians to routinely track patient outcome? A meta-analysis

Lambert, M. J., Whipple, J. L., Hawkins, E. J., Vermeersch, D. A., Nielsen, S. L., & Smart, D. W. (2003) · Clinical Psychology: Science and Practice · doi:10.1093/clipsy.bpg025 · Cited by 608

Living into the story: Agency and coherence in a longitudinal study of narrative identity development and mental health over the course of psychotherapy

Adler, J. M. (2012) · Journal of Personality and Social Psychology · doi:10.1037/a0025289 · Cited by 588

Effects of treatment duration and severity of depression on the effectiveness of cognitive-behavioral and psychodynamic-interpersonal psychotherapy

Shapiro, D. A., Barkham, M., Rees, A., Hardy, G. E., Reynolds, S., & Startup, M. (1994) · Journal of Consulting and Clinical Psychology · doi:10.1037/0022-006x.62.3.522 · Cited by 485

The role of nonspecific factors in cognitive-behavior therapy for depression.

Ilardi, S. S., & Craighead, W. E. (1994) · Clinical Psychology: Science and Practice · doi:10.1111/j.1468-2850.1994.tb00016.x · Cited by 501

Presidential address: what we have learned from a decade of research aimed at improving psychotherapy outcome in routine care

Lambert, M. (2007) · Psychotherapy Research · doi:10.1080/10503300601032506 · Cited by 461

“Stepped care”: a health technology solution for delivering cognitive behavioral therapy as a first line insomnia treatment

Espie, C. A. (2009) · SLEEP · doi:10.1093/sleep/32.12.1549 · Cited by 422

A systematic review of controlled trials of the effectiveness and cost-effectiveness of brief psychological treatments for depression

Churchill, R., Hunot, V., Corney, R., Knapp, M., McGuire, H., Tylee, A., & Wessely, S. (2002) · Health Technology Assessment · doi:10.3310/hta5350 · Cited by 368

Effectiveness of a novel integrative online treatment for depression (Deprexis): randomized controlled trial

Meyer, B., Berger, T., Caspar, F., Beevers, C. G., Andersson, G., & Weiss, M. (2009) · Journal of Medical Internet Research · doi:10.2196/jmir.1151 · Cited by 363

Cognitive-Behavioral Treatments for Chronic Pain: What Works for Whom?

Vlaeyen, J. W. S., & Morley, S. (2005) · The Clinical Journal of Pain · doi:10.1097/00002508-200501000-00001 · Cited by 350

The effects of cognitive behavioral therapy as an anti-depressive treatment is falling: A meta-analysis.

Johnsen, T. J., & Friborg, O. (2015) · Psychological Bulletin · doi:10.1037/bul0000015 · Cited by 331

Theory as method: small theories of treatments

Lipsey, M. W. (1993) · New Directions for Program Evaluation · doi:10.1002/ev.1637 · Cited by 322

Gaps in accessing treatment for anxiety and depression: challenges for the delivery of care

Collins, K. A., Westra, H. A., Dozois, D. J. A., & Burns, D. D. (2004) · Clinical Psychology Review · doi:10.1016/j.cpr.2004.06.001 · Cited by 322

Telephone counseling for smoking cessation: Effects of single-session and multiple-session interventions.

Zhu, S.-H., Stretch, V., Balabanis, M., Rosbrook, B., Sadler, G., & Pierce, J. P. (1996) · Journal of Consulting and Clinical Psychology · doi:10.1037/0022-006x.64.1.202 · Cited by 302

Enhancing psychotherapy outcomes via providing feedback on client progress: a replication

Lambert, M. J., Whipple, J. L., Vermeersch, D. A., Smart, D. W., Hawkins, E. J., Nielsen, S. L., & Goates, M. (2002) · Clinical Psychology & Psychotherapy · doi:10.1002/cpp.324 · Cited by 306

Dose-effect relations and responsive regulation of treatment duration: The good enough level.

Barkham, M., Connell, J., Stiles, W. B., Miles, J. N. V., Margison, F., Evans, C., & Mellor-Clark, J. (2006) · Journal of Consulting and Clinical Psychology · doi:10.1037/0022-006x.74.1.160 · Cited by 293

How much psychotherapy is needed to treat depression? A metaregression analysis

Cuijpers, P., Huibers, M., Daniel Ebert, D., Koole, S. L., & Andersson, G. (2013) · Journal of Affective Disorders · doi:10.1016/j.jad.2013.02.030 · Cited by 258

If at first you don't succeed: False hopes of self-change.

Polivy, J., & Herman, C. P. (2002) · American Psychologist · doi:10.1037/0003-066x.57.9.677 · Cited by 312

Comparative effects of short-term psychodynamic psychotherapy and cognitive-behavioral therapy in depression

Leichsenring, F. (2001) · Clinical Psychology Review · doi:10.1016/s0272-7358(99)00057-4 · Cited by 281

The dose-response effect in routinely delivered psychological therapies: a systematic review

Robinson, L., Delgadillo, J., & Kellett, S. (2020) · Psychotherapy Research · doi:10.1080/10503307.2019.1566676 · Cited by 264

Research on psychotherapy efficacy and effectiveness: Between Scylla and Charybdis?

Nathan, P. E., Stuart, S. P., & Dolan, S. L. (2000) · Psychological Bulletin · doi:10.1037/0033-2909.126.6.964 · Cited by 258

The therapeutic effects of providing patient progress information to therapists and patients

Hawkins, E. J., Lambert, M. J., Vermeersch, D. A., Slade, K. L., & Tuttle, K. C. (2004) · Psychotherapy Research · doi:10.1093/ptr/kph027 · Cited by 230

Early sudden gains in psychotherapy under routine clinic conditions: Practice-based evidence.

Stiles, W. B., Leach, C., Barkham, M., Lucock, M., Iveson, S., Shapiro, D. A., Iveson, M., & Hardy, G. E. (2003) · Journal of Consulting and Clinical Psychology · doi:10.1037/0022-006x.71.1.14 · Cited by 220

MULTIPLE ACCESS POINTS AND LEVELS OF ENTRY (MAPLE): ENSURING CHOICE, ACCESSIBILITY AND EQUITY FOR CBT SERVICES

Lovell, K., & Richards, D. (2000) · Behavioural and Cognitive Psychotherapy · doi:10.1017/s1352465800004070 · Cited by 216

Are the parts as good as the whole? A meta-analysis of component treatment studies.

Bell, E. C., Marcus, D. K., & Goodlad, J. K. (2013) · Journal of Consulting and Clinical Psychology · doi:10.1037/a0033004 · Cited by 192

Effect of cognitive-behavioral therapy for anxiety disorders on quality of life: A meta-analysis.

Hofmann, S. G., Wu, J. Q., & Boettcher, H. (2014) · Journal of Consulting and Clinical Psychology · doi:10.1037/a0035491 · Cited by 191

Patterns of early change and their relationship to outcome and follow-up among patients with major depressive disorders

Lutz, W., Stulz, N., & Köck, K. (2009) · Journal of Affective Disorders · doi:10.1016/j.jad.2009.01.019 · Cited by 186

Effectiveness of grief therapy: A meta-analysis.

Allumbaugh, D. L., & Hoyt, W. T. (1999) · Journal of Counseling Psychology · doi:10.1037/0022-0167.46.3.370 · Cited by 185

Cognitive behavioral therapy and graded exercise for chronic fatigue syndrome: a meta-analysis

Castell, B. D., Kazantzis, N., & Moss-Morris, R. E. (2011) · Clinical Psychology: Science and Practice · doi:10.1111/j.1468-2850.2011.01262.x · Cited by 176

Testing Combined Pharmacotherapies and Behavioral Interventions in Alcohol Dependence: Rationale and Methods

The COMBINE Study Research Group (2003) · Alcoholism: Clinical and Experimental Research · doi:10.1111/j.1530-0277.2003.tb02873.x · Cited by 174

THE INFLUENCE OF RACE AND ETHNICITY IN CLIENTS’ EXPERIENCES OF MENTAL HEALTH TREATMENT

Meyer, O. L., & Zane, N. (2013) · Journal of Community Psychology · doi:10.1002/jcop.21580 · Cited by 143

Assessing behavioral health outcomes in outpatient programs: Reliability and validity of the BASIS-32

Eisen, S. V., Wilcox, M., Leff, H. S., Schaefer, E., & Culhane, M. A. (1999) · The Journal of Behavioral Health Services & Research · doi:10.1007/bf02287790 · Cited by 143

The Impact of Pathological Narcissism on Psychotherapy Utilization, Initial Symptom Severity, and Early-Treatment Symptom Change: A Naturalistic Investigation

Ellison, W. D., Levy, K. N., Cain, N. M., Ansell, E. B., & Pincus, A. L. (2013) · Journal of Personality Assessment · doi:10.1080/00223891.2012.742904 · Cited by 137

TREATMENT OF MARITAL CONFLICT AND PREVENTION OF DIVORCE

Bray, J. H., & Jouriles, E. N. (1995) · Journal of Marital and Family Therapy · doi:10.1111/j.1752-0606.1995.tb00175.x · Cited by 121

Shapes of early change in psychotherapy under routine outpatient conditions

Stulz, N., Lutz, W., Leach, C., Lucock, M., & Barkham, M. (2007) · Journal of Consulting and Clinical Psychology · doi:10.1037/0022-006x.75.6.864 · Cited by 122

Dose–effect relations in time-limited combined psycho-pharmacological treatment for depression

DEKKER, J., MOLENAAR, P. J., KOOL, S., VAN AALST, G., PEEN, J., & de JONGHE, F. (2005) · Psychological Medicine · doi:10.1017/s0033291704002685 · Cited by 76

Responsive regulation of treatment duration in routine practice in United Kingdom primary care settings: replication in a larger sample.

Stiles, W. B., Barkham, M., Connell, J., & Mellor-Clark, J. (2008) · Journal of Consulting and Clinical Psychology · doi:10.1037/0022-006x.76.2.298 · Cited by 98

Use of Psychotherapy by Rural and Urban Veterans

Cully, J. A., Jameson, J. P., Phillips, L. L., Kunik, M. E., & Fortney, J. C. (2010) · The Journal of Rural Health · doi:10.1111/j.1748-0361.2010.00294.x · Cited by 93

Treatment as usual and routine care in research and clinical practice

Kazdin, A. E. (2015) · Clinical Psychology Review · doi:10.1016/j.cpr.2015.08.006 · Cited by 96

A Clinician’s Primer for Idiographic Research: Considerations and Recommendations

Piccirillo, M. L., Beck, E. D., & Rodebaugh, T. L. (2019) · Behavior Therapy · doi:10.1016/j.beth.2019.02.002 · Cited by 90

Blended care-cognitive behavioral therapy for depression and anxiety in real-world settings: Pragmatic retrospective study

Lungu, A., Jun, J. J., Azarmanesh, O., Leykin, Y., & Chen, C. E.-J. (2020) · Journal of Medical Internet Research · doi:10.2196/18723 · Cited by 75

Rapid Response to Cognitive Behavior Therapy Predicts Treatment Outcome in Patients With Irritable Bowel Syndrome

Lackner, J. M., Gudleski, G. D., Keefer, L., Krasner, S. S., Powell, C., & Katz, L. A. (2010) · Clinical Gastroenterology and Hepatology · doi:10.1016/j.cgh.2010.02.007 · Cited by 76

The effectiveness of psychoanalytic psychotherapy: the role of treatment duration, frequency of sessions, and the therapeutic relationship.

Freedman, N., Hoffenberg, J. D., Vorus, N., & Frosch, A. (1999) · Journal of the American Psychoanalytic Association · doi:10.1177/00030651990470031001 · Cited by 69

What Makes a Quality Therapy? A Consideration of Parsimony, Ease, and Efficiency

Cougle, J. R. (2012) · Behavior Therapy · doi:10.1016/j.beth.2010.12.007 · Cited by 60

Changes in affect during treatment for depression and anxiety

Kring, A. M., Persons, J. B., & Thomas, C. (2007) · Behaviour Research and Therapy · doi:10.1016/j.brat.2007.02.001 · Cited by 63

Good-enough level and dose-effect models: variation among outcomes and therapists

Owen, J. J., Adelson, J., Budge, S., Kopta, S. M., & Reese, R. J. (2016) · Psychotherapy Research · doi:10.1080/10503307.2014.966346 · Cited by 58

Replicating and extending the good-enough level model of change: considering session frequency

Reese, R. J., Toland, M. D., & Hopkins, N. B. (2011) · Psychotherapy Research · doi:10.1080/10503307.2011.598580 · Cited by 58

A comparison of two online cognitive‐behavioural interventions for symptoms of depression in a student population: The role of therapist responsiveness

Richards, D., Timulak, L., & Hevey, D. (2013) · Counselling and Psychotherapy Research · doi:10.1080/14733145.2012.733715 · Cited by 55

It's the destination and it's the journey: Using multilevel modeling to assess patterns of change in psychotherapy

Kahn, J. H., & Schneider, W. J. (2013) · Journal of Clinical Psychology · doi:10.1002/jclp.21964 · Cited by 40

Acceptance-and mindfulness-based interventions for health behavior change: Systematic reviews and meta-analyses

Roche, A. I., Kroska, E. B., & Denburg, N. L. (2019) · Journal of Contextual Behavioral Science · doi:10.1016/j.jcbs.2019.06.002 · Cited by 41

Brief psychotherapeutic interventions for job-related distress: A Pilot study of Prescriptive and Exploratory therapy

Barkham, M., & Shapiro, D. A. (1990) · Counselling Psychology Quarterly · doi:10.1080/09515079008254242 · Cited by 37

Brief Interpersonal Psychotherapy (IPT-B): Overview and Review of Evidence

Swartz, H. A., Grote, N. K., & Graham, P. (2014) · American Journal of Psychotherapy · doi:10.1176/appi.psychotherapy.2014.68.4.443 · Cited by 35

Unpacking the therapist effect: Impact of treatment length differs for high- and low-performing therapists

Goldberg, S. B., Hoyt, W. T., Nissen-Lie, H. A., Nielsen, S. L., & Wampold, B. E. (2018) · Psychotherapy Research · doi:10.1080/10503307.2016.1216625 · Cited by 35

Effect of patient-therapist gender match on psychotherapy retention among United States veterans with posttraumatic stress disorder

Shiner, B., Leonard Westgate, C., Harik, J. M., Watts, B. V., & Schnurr, P. P. (2017) · Administration and Policy in Mental Health and Mental Health Services Research · doi:10.1007/s10488-016-0761-2 · Cited by 34

The Effectiveness of Fully Automated Digital Interventions in Promoting Mental Well-Being in the General Population: Systematic Review and Meta-Analysis

Groot, J., MacLellan, A., Butler, M., Todor, E., Zulfiqar, M., Thackrah, T., Clarke, C., Brosnan, M., & Ainsworth, B. (2023) · JMIR Mental Health · doi:10.2196/44658 · Cited by 37

Therapeutic Assessment Case Study: Treatment of a Woman Diagnosed With Metastatic Cancer and Attachment Trauma

Smith, J. D., & George, C. (2012) · Journal of Personality Assessment · doi:10.1080/00223891.2012.656860 · Cited by 31

Treatment Compliance in Different Types of Group Psychotherapy: Exploring the Effect of Age

Ogrodniczuk, J. S., Piper, W. E., & Joyce, A. S. (2006) · Journal of Nervous & Mental Disease · doi:10.1097/01.nmd.0000207366.49820.85 · Cited by 24

Unguided Computer-Assisted Self-Help Interventions Without Human Contact in Patients With Obsessive-Compulsive Disorder: Systematic Review and Meta-analysis

Imai, H., Tajika, A., Narita, H., Yoshinaga, N., Kimura, K., Nakamura, H., Takeshima, N., Hayasaka, Y., Ogawa, Y., & Furukawa, T. (2022) · Journal of Medical Internet Research · doi:10.2196/35940 · Cited by 19

The Potential of a Mindfulness-Enhanced, Integrative Neuro-psychotherapy Program for Treating Fatigue Following Stroke: A Preliminary Study

Hofer, H., Grosse Holtforth, M., Lüthy, F., Frischknecht, E., Znoj, H., & Müri, R. M. (2014) · Mindfulness · doi:10.1007/s12671-012-0167-5 · Cited by 17

Predictors for excellent versus partial response to prolonged exposure therapy: Who needs additional sessions?

Zang, Y., Su, Y., McLean, C. P., & Foa, E. B. (2019) · Journal of Traumatic Stress · doi:10.1002/jts.22412 · Cited by 14

Too Much or Not Enough of a Good Thing?: Reconciling Differing Perspectives on the Optimal Dose of Mindfulness Meditation and Advancing a Dose-Response Research Agenda

Bowles, N. I., Davies, J. N., Strohmaier, S., Galante, J., & Van Dam, N. T. (2026) · Journal of Contemplative Studies · doi:10.57010/caxs3076 · Cited by 14

Optimizing an Acceptance and Commitment Therapy Microintervention Via a Mobile App With Two Cohorts: Protocol for Micro-Randomized Trials

Kroska, E. B., Hoel, S., Victory, A., Murphy, S. A., McInnis, M. G., Stowe, Z. N., & Cochran, A. (2020) · JMIR Research Protocols · doi:10.2196/17086 · Cited by 12

Two randomized controlled trials of the efficacy of acceptance and commitment therapy‐based educational course for body shape dissatisfaction

Selvi, K., Parling, T., Ljótsson, B., Welch, E., & Ghaderi, A. (2021) · Scandinavian Journal of Psychology · doi:10.1111/sjop.12684 · Cited by 12

Factors Affecting Change in Private Psychotherapy Patients of Senior Psychoanalysts: An Effectiveness Study

Friedman, R. C., Garrison, W. B., Bucci, W., & Gorman, B. S. (2005) · The Journal of the American Academy of Psychoanalysis and Dynamic Psychiatry · doi:10.1521/jaap.2005.33.4.583 · Cited by 10

Changes in the interpersonal characteristics of a client who "recovered" from anxiety and depression following interactionist interpersonal therapy

Shields, C., Murrell, S. A., & Salsman, N. (2006) · Clinical Case Studies · doi:10.1177/1534650103261222 · Cited by 2

The role of social support in the effectiveness of counseling for international students

Tan, H., Castonguay, L. G., Janis, R. A., Hayes, J. A., Magruder, S. A. N., Chun-Kennedy, C. L., & Scofield, B. E. (2026) · Cogent Mental Health · doi:10.1080/28324765.2026.2653852