Kellett, Stephen

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

Robinson, L., Delgadillo, J., & Kellett, S. (2020) · Psychotherapy Research

Psychotherapy Techniques and ApplicationsDigital Mental Health Interventions

Cited by 264

A systematic review of therapist effects: A critical narrative update and refinement to review

Johns, R. G., Barkham, M., Kellett, S., & Saxon, D. (2019) · Clinical Psychology Review

Psychotherapy Techniques and ApplicationsMeta-analysis and systematic reviews

Cited by 222

Improving Access to Psychological Therapies (IAPT) in the United Kingdom: A systematic review and meta‐analysis of 10‐years of practice‐based evidence

Wakefield, S., Kellett, S., Simmonds‐Buckley, M., Stockton, D., Bradbury, A., & Delgadillo, J. (2021) · British Journal of Clinical Psychology

Psychotherapy Techniques and ApplicationsMental Health Treatment and Access

Cited by 222

Identifying the Underlying Mechanisms of Change During Acceptance and Commitment Therapy (ACT): A Systematic Review of Contemporary Mediation Studies

Stockton, D., Kellett, S., Berrios, R., Sirois, F., Wilkinson, N., & Miles, G. (2019) · Behavioural and Cognitive Psychotherapy

Mindfulness and Compassion InterventionsPsychotherapy Techniques and Applications

Cited by 193

Efficacy of Cognitive Behavioral Therapy for Generalized Anxiety Disorder in Older Adults: Systematic Review, Meta-Analysis, and Meta-Regression

Hall, J., Kellett, S., Berrios, R., Bains, M. K., & Scott, S. (2016) · The American Journal of Geriatric Psychiatry

Anxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesPsychotherapy Techniques and Applications

Cited by 157

Increasing attendance for psychotherapy: Implementation intentions and the self-regulation of attendance-related negative affect.

Sheeran, P., Aubrey, R., & Kellett, S. (2007) · Journal of Consulting and Clinical Psychology

Psychotherapy Techniques and ApplicationsBehavioral Health and Interventions

Cited by 151

Interventions to increase attendance at psychotherapy: A meta-analysis of randomized controlled trials.

Oldham, M., Kellett, S., Miles, E., & Sheeran, P. (2012) · Journal of Consulting and Clinical Psychology

Psychotherapy Techniques and ApplicationsMental Health Treatment and Access

Cited by 84

Therapist effects and IAPT Psychological Wellbeing Practitioners (PWPs): A multilevel modelling and mixed methods analysis

Green, H., Barkham, M., Kellett, S., & Saxon, D. (2014) · Behaviour Research and Therapy

Psychotherapy Techniques and ApplicationsDigital Mental Health Interventions

Cited by 74

Usability, Acceptability, and Effectiveness of Web-Based Conversational Agents to Facilitate Problem Solving in Older Adults: Controlled Study

Bennion, M. R., Hardy, G. E., Moore, R. K., Kellett, S., & Millings, A. (2020) · Journal of Medical Internet Research

Digital Mental Health InterventionsSocial Robot Interaction and HRI

Cited by 68

Cognitive analytic therapy: A review of the outcome evidence base for treatment

Calvert, R., & Kellett, S. (2014) · Psychology and Psychotherapy: Theory, Research and Practice

Psychotherapy Techniques and ApplicationsPersonality Disorders and Psychopathology

Cited by 68

Compulsive hoarding: a qualitative investigation of partner and carer perspectives

Wilbram, M., Kellett, S., & Beail, N. (2008) · British Journal of Clinical Psychology

Obsessive-Compulsive Spectrum DisordersFamily Caregiving in Mental Illness

Cited by 65

The role of adult attachment and social support in hoarding disorder

Medard, E., & Kellett, S. (2014) · Behavioural and Cognitive Psychotherapy

Obsessive-Compulsive Spectrum DisordersPerfectionism, Procrastination, Anxiety Studies

Cited by 65

Predictors of relapse and recurrence following cognitive behavioural therapy for anxiety-related disorders: a systematic review

Lorimer, B., Kellett, S., Nye, A., & Delgadillo, J. (2021) · Cognitive Behaviour Therapy

Anxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesPsychotherapy Techniques and Applications

Cited by 62

The acceptability, effectiveness, and durability of cognitive analytic therapy: Systematic review and meta‐analysis

Hallam, C., Simmonds‐Buckley, M., Kellett, S., Greenhill, B., & Jones, A. (2021) · Psychology and Psychotherapy: Theory, Research and Practice

Psychotherapy Techniques and ApplicationsAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

Cited by 54

Cognitive analytic therapy at 30

Ryle, A., Kellett, S., Hepple, J., & Calvert, R. (2014) · Advances in Psychiatric Treatment

Psychotherapy Techniques and ApplicationsPersonality Disorders and Psychopathology

Cited by 52

The role of practitioner resilience and mindfulness in effective practice: A practice-based feasibility study

Pereira, J.-A., Barkham, M., Kellett, S., & Saxon, D. (2017) · Administration and Policy in Mental Health and Mental Health Services Research

Psychotherapy Techniques and ApplicationsMindfulness and Compassion Interventions

Cited by 49

Cognitive Analytic Therapy for Bipolar Disorder: A Pilot Randomized Controlled Trial

Evans, M., Kellett, S., Heyland, S., Hall, J., & Majid, S. (2017) · Clinical Psychology & Psychotherapy

Bipolar Disorder and TreatmentPersonality Disorders and Psychopathology

Cited by 48

Developing a competence framework for cognitive analytic therapy

Parry, G., Bennett, D., Roth, A. D., & Kellett, S. (2021) · Psychology and Psychotherapy: Theory, Research and Practice

Psychotherapy Techniques and ApplicationsCounseling Practices and Supervision

Cited by 33

The effectiveness of brief cognitive analytic therapy for anxiety and depression: A quasi‐experimental case—control study

Wakefield, S., Delgadillo, J., Kellett, S., White, S., & Hepple, J. (2021) · British Journal of Clinical Psychology

Psychotherapy Techniques and ApplicationsAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

Cited by 26

Stress Control as a Large Group Psychoeducational Intervention at Step 2 of IAPT Services: Acceptability of the Approach and Moderators of Effectiveness

Burns, P., Kellett, S., & Donohoe, G. (2016) · Behavioural and Cognitive Psychotherapy

Psychotherapy Techniques and ApplicationsDigital Mental Health Interventions

Cited by 20

The treatment of chronic post‐traumatic nightmares using psychodynamic‐interpersonal psychotherapy: A single‐case study

Kellett, S., & Beail, N. (1997) · British Journal of Medical Psychology

Psychoanalysis and Psychopathology ResearchPosttraumatic Stress Disorder Research

Cited by 18

INCREASING THE EFFECTIVENESS OF LARGE GROUP FORMAT CBT VIA THE APPLICATION OF PRACTICE-BASED EVIDENCE

Kellett, S., Newman, D., Matthews, L., & Swift, A. (2004) · Behavioural and Cognitive Psychotherapy

Psychotherapy Techniques and ApplicationsAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

Cited by 14

Testing a Low-Intensity Single-Session Self-Compassion Intervention for State Body Shame in Adult Women: A Dismantling Randomized Controlled Trial.

Turk, F., Kellett, S., & Waller, G. (2023) · Behavior Therapy

Eating Disorders and BehaviorsMindfulness and Compassion Interventions

Cited by 13

Sustaining Attendance at a Mental Health Service: A Randomized Controlled Trial

Avishai, A., Oldham, M., Kellett, S., & Sheeran, P. (2018) · Journal of Consulting and Clinical Psychology

Psychotherapy Techniques and ApplicationsBehavioral Health and Interventions

Cited by 13