Personal profile
Research interests
I am Director of the NIHR-funded Bath Mental Health Research Group, which focuses on children and young people aged 12-25. I am a Clinical Psychologist by background specialising in the development and evaluation of psychological therapies for psychosis. I have a special interest in Cognitive-Behavioural Therapy, Mindfulness and research in acute/inpatient psychiatric settings.
Education/Academic qualification
Clinical Psychology, Doctor of Philosophy, Mindfulness-Based Crisis Interventions (MBCI) for psychosis within acute inpatient psychiatric settings; A feasibility randomised controlled trial, King's College London
1 Jan 2015 → 31 Dec 2017
Award Date: 1 Apr 2018
Clinical Psychology, Doctor of Clinical Psychology, Jumping to conclusions or over-conservatism? Reasoning bias and belief conviction in obsessive-compulsive disorder, King's College London
1 Oct 2005 → 30 Sept 2008
Award Date: 30 Sept 2008
Experimental Psychology, Bachelor of Arts, University of Oxford
1 Oct 2001 → 1 Jun 2004
Award Date: 1 Jul 2004
External positions
Clinical Psychologist, Avon and Wiltshire Mental Health Partnership NHS Trust
1 Aug 2020 → 1 Aug 2023
Honorary Researcher, King's College London
1 Jul 2018 → 30 Jun 2021
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Collaborations and top research areas from the last five years
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Bath NIHR Mental Health Research Group
Jacobsen, P. (PI), Betts, J. (CoI), Brown, C. (CoI), Button, K. (CoI), Fairchild, G. (CoI), Freeman, T. (CoI), Halligan, S. (CoI), Hines, L. (CoI), Lambert, J. (CoI), Loades, M. (CoI), Russell, A. (CoI), Stallard, P. (CoI), Sunderland, P. (CoI) & Taylor, E. (CoI)
National Institute for Health Research
1/01/25 → 31/12/29
Project: Central government, health and local authorities
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Bath Centre for Mindfulness and Community (BCMC) – Making Links with other European Centres of Excellence for Mindfulness
Jacobsen, P. (PI)
12/06/23 → 16/06/23
Project: Research-related funding
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Supporting reproducible data analysis in psychology
Jacobsen, P. (PI) & Loades, M. (CoI)
1/01/23 → 31/07/23
Project: Research council
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Silvercloud smoking cessation
Jacobsen, P. (PI) & Ainsworth, B. (CoI)
1/10/21 → 31/03/25
Project: UK charity
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Attentional bias in paranoia: a systematic review and meta-analysis
Eid, L., Hampshire, C., Vamvakas, G., Jacobsen, P., Stahl, D. & Yiend, J., 28 Jan 2026, (Acceptance date) In: BJPsych Open.Research output: Contribution to journal › Review article › peer-review
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Including people with lived experience in the development of the self-Dehumanisation in Psychosis Scale (DiPS): a reflective account
Jenkins, T. A., Bale, A., Alush, L., Brooks, E., Carter, I., Roberts, E., Jacobsen, P. & Chadwick, P., 13 Jan 2026, In: Journal of Patient Reported Outcomes. 10, 7.Research output: Contribution to journal › Article › peer-review
Open Access -
A Digital Mental Health Intervention for Paranoia (the STOP App): Qualitative Study on User Acceptability
Eid, L., Kenny, A., Taher, R., Jacobsen, P., Hsu, C.-W. & Yiend, J., 7 Aug 2025, In: JMIR Human Factors. 12, e70181.Research output: Contribution to journal › Article › peer-review
Open Access -
A transdiagnostic app–based cognitive bias modification intervention for paranoia (STOP: “Successful Treatment of Paranoia”): Protocol for a mixed–methods process evaluation embedded in a randomized controlled trial
Hampshire, C., Dack, C., Eid, L., Fialho, C., Kenny, A., Scott, H., Taher, R., Taylor, T., Yiend, J. & Jacobsen, P., 22 Dec 2025, In: JMIR Research Protocols. 14, 13 p., e81167.Research output: Contribution to journal › Article › peer-review
Open Access -
'Flexibility is the name of the game’: Clinicians’ views of optimal dose of psychological interventions for psychosis and paranoia
Fialho, C., Abouzahr, A., Jacobsen, P., Shergill, S., Stahl, D. & Yiend, J., 30 Jun 2025, In: SSM - Mental Health. 7, 100442.Research output: Contribution to journal › Article › peer-review
Open Access1 Link opens in a new tab Citation (SciVal)
Datasets
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Dataset for "What Should Inpatient Psychological Therapies be for? Qualitative Views of Service Users on Outcomes"
Morgan, C. (Creator), Jacobsen, P. (Creator), Hiscocks, R. (Contributor), Clarkson, L. (Contributor), Hopkins, I. (Contributor), Berry, K. (Contributor), Tyler, N. (Contributor) & Wood, L. (Contributor), University of Bath, 12 Oct 2023
DOI: 10.15125/BATH-01265
Dataset
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Dataset for "Mindfulness for voices: An experimental analogue study"
Jacobsen, P. (Creator), Muddle, S. (Creator), Jones, B. (Creator) & Chadwick, P. (Creator), Open Science Framework (OSF), 23 Apr 2023
Dataset
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Dataset for "What is the effect of presenting evidence of the mental vs physical health benefits of quitting smoking on motivation to stop smoking? An online randomised controlled experiment"
Sawyer, K. (Creator), Hanafi, A. (Creator), Freeman, T. (Creator), Burke, C. (Creator), Adams, S. (Creator), Aveyard, P. (Creator), Jacobsen, P. (Creator) & Taylor, G. (Creator), University of Bath, 3 Jul 2025
DOI: 10.15125/BATH-01424
Dataset
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Dataset for validation of the self-Dehumanisation in Psychosis Scale (DiPS): measuring feelings of self-dehumanisation in people who experience psychosis
Jenkins, T. (Creator), Jacobsen, P. (Supervisor) & Chadwick, P. (Supervisor), University of Bath, 22 Dec 2025
DOI: 10.15125/BATH-01494
Dataset
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Dataset for Integrating Online Stop Smoking Support with Online Talking Therapies
Roy, D. (Creator), Blackwell, A. (Creator), Daryan, S. (Creator), Jacobsen, P. (Creator) & Taylor, G. (Creator), University of Bath, 5 Dec 2025
DOI: 10.15125/BATH-01513
Dataset
Prizes
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Experimental Psychology Society (EPS)
Jacobsen, P. (Recipient), Jul 2024
Prize: Election to learned society
Activities
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ACBM Annual Conference 2024
Jacobsen, P. (Speaker)
23 Jul 2024Activity: Academic conferences and events (excluding conference publications) › Conference presentation / attendance
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Internal examiner for DClinPsy Thesis (Gunasekara)
Jacobsen, P. (Examiner)
Oct 2025Activity: External examination and supervision › Internal doctoral examination
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International Conference on Mindfulness Asia Pacific 2019
Jacobsen, P. (Speaker)
11 Feb 2019 → 13 Feb 2019Activity: Academic conferences and events (excluding conference publications) › Conference presentation / attendance
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External Examiner for DClinPsy thesis (Gellett, UEL)
Jacobsen, P. (Examiner)
Jul 2025Activity: External examination and supervision › External examination
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Mindfulness (Journal)
Jacobsen, P. (Peer reviewer)
Jun 2020Activity: Publication peer-review and editorial roles › Publication peer review