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Stephen Kellett · Study
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Author
Stephen Kellett
45 works
· latest 2025
· 6 institutions
cluster: provisional
ORCID 0000-0001-6034-4495
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27
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37
Citations
3,195
Works here
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Most cited in this library
The dose-response effect in routinely delivered psychological therapies: A systematic review
2019 · 264 citations
Improving Access to Psychological Therapies (IAPT) in the United Kingdom: A systematic review and meta‐analysis of 10‐years of practice‐based evidence
2020 · 222 citations
A systematic review of therapist effects: A critical narrative update and refinement to review
2018 · 221 citations
Compulsive buying: A cognitive–behavioural model
2009 · 210 citations
Prevalence of Hoarding Disorder: A systematic review and meta-analysis
2019 · 204 citations
Works
45 shown
Cognitive analytic therapy‐guided self‐help for depression: A mixed methods evaluation
Psychology and Psychotherapy Theory Research and Practice
·
2025
·
4 authors
·
Open access
1
citations
Predicting optimal treatment allocation for cognitive analytic‐guided self‐help versus cognitive behavioural‐guided self‐help
British Journal of Clinical Psychology
·
2024
·
3 authors
·
Open access
1
citations
Types and mechanisms of idiographic change during guided self‐help for anxiety
Psychology and Psychotherapy Theory Research and Practice
·
2024
·
7 authors
·
Open access
2
citations
Practitioner competence and clinical outcomes during cognitive behavioural and cognitive-analytic guided self-help for anxiety
The Cognitive Behaviour Therapist
·
2024
·
6 authors
2
citations
Cognitive–behavioural versus cognitive–analytic guided self-help for mild-to-moderate anxiety: a pragmatic, randomised patient preference trial
The British Journal of Psychiatry
·
2023
·
9 authors
·
Open access
11
citations
Is clinical decision making in stepped-care psychological services influenced by heuristics and biases?
Behavioural and Cognitive Psychotherapy
·
2023
·
3 authors
·
Open access
1
citations
The acceptability of cognitive analytic guided self-help in an Improving Access to Psychological Therapies service
Behavioural and Cognitive Psychotherapy
·
2022
·
7 authors
5
citations
Associations between treatment adherence–competence–integrity (ACI) and adult psychotherapy outcomes: A systematic review and meta-analysis.
Journal of Consulting and Clinical Psychology
·
2022
·
7 authors
·
review
·
Open access
69
citations
Effectiveness of stress control large group psychoeducation for anxiety and depression: Systematic review and meta‐analysis
British Journal of Clinical Psychology
·
2021
·
5 authors
·
review
·
Open access
48
citations
Blending Cognitive Analytic Therapy With a Digital Support Tool: Mixed Methods Study Involving a User-Centered Design of a Prototype App
JMIR Mental Health
·
2021
·
5 authors
·
Open access
3
citations
Correction: Evaluation of a Mobile App to Enhance Relational Awareness and Change During Cognitive Analytic Therapy: Mixed Methods Case Series
JMIR Mental Health
·
2021
·
5 authors
·
other
·
Open access
3
citations
Predictors of relapse and recurrence following cognitive behavioural therapy for anxiety-related disorders: a systematic review
Cognitive Behaviour Therapy
·
2020
·
4 authors
·
review
62
citations
Evaluation of a Mobile App to Enhance Relational Awareness and Change During Cognitive Analytic Therapy: Mixed Methods Case Series
JMIR Mental Health
·
2020
·
5 authors
·
Open access
10
citations
A pragmatic patient preference trial of cognitive behavioural versus cognitive analytic guided self-help for anxiety disorders
Behavioural and Cognitive Psychotherapy
·
2020
·
5 authors
11
citations
Acceptability and Effectiveness of NHS-Recommended e-Therapies for Depression, Anxiety, and Stress: Meta-Analysis
Journal of Medical Internet Research
·
2020
·
6 authors
·
review
·
Open access
17
citations
Improving Access to Psychological Therapies (IAPT) in the United Kingdom: A systematic review and meta‐analysis of 10‐years of practice‐based evidence
British Journal of Clinical Psychology
·
2020
·
6 authors
·
review
·
Open access
222
citations
Usability, Acceptability, and Effectiveness of Web-Based Conversational Agents to Facilitate Problem Solving in Older Adults: Controlled Study
Journal of Medical Internet Research
·
2020
·
5 authors
·
Open access
67
citations
Dynamic prediction and identification of cases at risk of relapse following completion of low-intensity cognitive behavioural therapy
Psychotherapy Research
·
2020
·
3 authors
13
citations
Prevalence of Hoarding Disorder: A systematic review and meta-analysis
Journal of Affective Disorders
·
2019
·
3 authors
·
review
204
citations
e-Therapies in England for stress, anxiety or depression: how are apps developed? A survey of NHS e-therapy developers
BMJ Health & Care Informatics
·
2019
·
5 authors
·
Open access
15
citations
The dose-response effect in routinely delivered psychological therapies: A systematic review
Psychotherapy Research
·
2019
·
3 authors
·
review
264
citations
Identifying the Underlying Mechanisms of Change During Acceptance and Commitment Therapy (ACT): A Systematic Review of Contemporary Mediation Studies
Behavioural and Cognitive Psychotherapy
·
2018
·
5 authors
·
review
193
citations
A systematic review of therapist effects: A critical narrative update and refinement to review
Clinical Psychology Review
·
2018
·
3 authors
·
review
221
citations
Silver linings in the face of temptations: how mixed emotions promote self-control efforts in response to goal conflict
Motivation and Emotion
·
2018
·
3 authors
17
citations
Development and Evaluation of Cognitive Analytic Guided Self-Help (CAT-SH) for Use in IAPT Services
Behavioural and Cognitive Psychotherapy
·
2017
·
1 author
59
citations
When Feeling Mixed Can Be Meaningful: The Relation Between Mixed Emotions and Eudaimonic Well-Being
Journal of Happiness Studies
·
2017
·
3 authors
73
citations
A multi-service practice research network study of large group psychoeducational cognitive behavioural therapy
Behaviour Research and Therapy
·
2016
·
12 authors
·
Open access
39
citations
Treatments for compulsive buying: A systematic review of the quality, effectiveness and progression of the outcome evidence
Journal of Behavioral Addictions
·
2016
·
2 authors
·
review
·
Open access
94
citations
Efficacy of Cognitive Behavioral Therapy for Generalized Anxiety Disorder in Older Adults: Systematic Review, Meta-Analysis, and Meta-Regression
American Journal of Geriatric Psychiatry
·
2016
·
5 authors
·
review
157
citations
Testing the Generalizability of Impulse Control Problems in Compulsive Buying
Journal of Social and Clinical Psychology
·
2016
·
2 authors
20
citations
Feasibility of a ward‐based psychological intervention to improve staff and patient relationships in psychiatric rehabilitation settings
British Journal of Clinical Psychology
·
2015
·
6 authors
·
Open access
66
citations
Eliciting mixed emotions: a meta-analysis comparing models, types, and measures
Frontiers in Psychology
·
2015
·
3 authors
·
Open access
185
citations
Therapist effects and IAPT Psychological Wellbeing Practitioners (PWPs): A multilevel modelling and mixed methods analysis
Behaviour Research and Therapy
·
2014
·
4 authors
73
citations
The clinical effectiveness of stepped care systems for depression in working age adults: A systematic review
Journal of Affective Disorders
·
2014
·
3 authors
·
review
94
citations
Investigating goal conflict as a source of mixed emotions
Cognition & Emotion
·
2014
·
3 authors
81
citations
Cognitive analytic therapy: A review of the outcome evidence base for treatment
Psychology and Psychotherapy Theory Research and Practice
·
2014
·
2 authors
·
review
68
citations
The Role of Adult Attachment and Social Support in Hoarding Disorder
Behavioural and Cognitive Psychotherapy
·
2013
·
2 authors
65
citations
Interventions to increase attendance at psychotherapy: A meta-analysis of randomized controlled trials.
Journal of Consulting and Clinical Psychology
·
2012
·
4 authors
·
review
84
citations
Heterogeneity within compulsive buyers: A Q‐sort study
Psychology and Psychotherapy Theory Research and Practice
·
2011
·
3 authors
25
citations
Utility of the Rosenberg Self-Esteem Scale
American Journal on Intellectual and Developmental Disabilities
·
2009
·
3 authors
42
citations
Compulsive buying: A cognitive–behavioural model
Clinical Psychology & Psychotherapy
·
2009
·
2 authors
210
citations
Compulsive buying: a field study of mood variability during acquisition episodes
The Cognitive Behaviour Therapist
·
2008
·
2 authors
18
citations
Compulsive hoarding: A qualitative investigation of partner and carer perspectives
British Journal of Clinical Psychology
·
2007
·
3 authors
65
citations
Increasing attendance for psychotherapy: Implementation intentions and the self-regulation of attendance-related negative affect.
Journal of Consulting and Clinical Psychology
·
2007
·
3 authors
151
citations
The factor structure of the Brief Symptom Inventory: intellectual disability evidence
Clinical Psychology & Psychotherapy
·
2004
·
3 authors
64
citations