Lecturer in Criminology (specialising in Substance Use), part of the Salvation Army Centre for Addiction Services and Research and the Scottish Centre for Crime and Justice Research. My PhD was development of a realist-informed intervention framework for greenspace programmes for improving mental health and supporting people with problem drug and alcohol use. My research interests include substance use, harm reduction, mental health, and the health benefits of greenspace and greenspace interventions
mental health, substance use, realist methods, and health benefits of greenspace.
Edinburgh Drug Consumption Room feasibility study
PI: Dr James Nicholls
Funded by: City of Edinburgh Council
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Learning lessons from rapid changes to a UK homeless service in response to Covid-19.
PI: Professor Tessa Parkes
Funded by: The Salvation Army
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Article
Nicholls J, Masterton W, Falzon D, McAuley A, Carver H, Skivington K, Dumbrell J, Perkins A, Steele S, Trayner K & Parkes T (2025) The implementation of safer drug consumption facilities in Scotland: a mixed methods needs assessment and feasibility study for the city of Edinburgh. Harm Reduction Journal, 22, Art. No.: 6. https://doi.org/10.1186/s12954-024-01144-1
Article
Masterton W, Carver H, Booth H, McCulloch P, Ball L, Mitchell L, Murdoch H, Pauly B & Parkes T (2024) A qualitative exploration of the relevance of training provision in planning for implementation of managed alcohol programs within a third sector setting. Drugs: Education, Prevention and Policy. https://doi.org/10.1080/09687637.2024.2311835
Policy Document
Needs assessment and feasibility study for a safer drug consumption facility in Edinburgh
Nicholls J, Falzon D, Masterton W, McAuley A, Dumbrell J, Steele S, Perkins A, Carver H, Trayner K, Skivington K, Duan Y & Parkes T (2024) Needs assessment and feasibility study for a safer drug consumption facility in Edinburgh. City of Edinburgh Council.
Article
Falzon D, Carver H, Masterton W, Wallace B, Sumnall H, Measham F, Craik V, Gittins R, Aston EV, Watson K, Hunter C, Priyadarshi S & Parkes T (2024) Planning and implementing community-based drug checking services in Scotland: a qualitative exploration using the consolidated framework for implementation research. Substance Abuse Treatment, Prevention, and Policy, 19, Art. No.: 7. https://doi.org/10.1186/s13011-023-00590-7
Article
Falzon D, Parkes T, Carver H, Masterton W, Wallace B, Craik V, Measham F, Sumnall H, Gittins R, Hunter C, Watson K, Mooney JD & Aston EV (2023) “It would really support the wider harm reduction agenda across the board”: A qualitative study of the potential impacts of drug checking service delivery in Scotland. Ray M (Editor) PLOS ONE, 18 (12), Art. No.: e0292812. https://doi.org/10.1371/journal.pone.0292812
Article
Carver H, Falzon D, Masterton W, Wallace B, Aston EV, Measham F, Hunter C, Sumnall H, Gittins R, Raeburn F, Craik V, Priyadarshi S, Rothney L, Weir K & Parkes T (2023) 'It’s not going to be a one size fits all': a qualitative exploration of the potential utility of three drug checking service models in Scotland. Harm Reduction Journal, 20, Art. No.: 94. https://doi.org/10.1186/s12954-023-00830-w
Article
Masterton W, Parkes T, Carver H & Park KJ (2022) Exploring how greenspace programmes might be effective in supporting people with problem substance use: a realist interview study. BMC Public Health, 22 (1), Art. No.: 1661. https://doi.org/10.1186/s12889-022-14063-2
Article
Challenges for drug checking services in Scotland: a qualitative exploration of police perceptions
Falzon D, Aston EV, Carver H, Masterton W, Wallace B, Sumnall H, Measham F, Fletcher E, Gittins R, Priyadarshi S & Parkes T (2022) Challenges for drug checking services in Scotland: a qualitative exploration of police perceptions. Harm Reduction Journal, 19, Art. No.: 105. https://doi.org/10.1186/s12954-022-00686-6
Article
Carver H, Parkes T, Masterton W, Booth H, Ball L, Murdoch H, Falzon D & Pauly BM (2022) The Potential for Managed Alcohol Programmes in Scotland during the COVID-19 Pandemic: A Qualitative Exploration of Key Areas for Implementation Using the Consolidated Framework for Implementation Research. International Journal of Environmental Research and Public Health, 19 (22), Art. No.: 15207. https://doi.org/10.3390/ijerph192215207
Review
Masterton W, Falzon D, Burton G, Carver H, Wallace B, Aston EV, Sumnall H, Measham F, Gittins R, Craik V, Schofield J, Little S & Parkes T (2022) A Realist Review of How Community-Based Drug Checking Services Could Be Designed and Implemented to Promote Engagement of People Who Use Drugs. International Journal of Environmental Research and Public Health, 19 (19), Art. No.: 11960. https://doi.org/10.3390/ijerph191911960
Article
Miler J, Carver H, Masterton W, Parkes T, Maden M, Jones L & Sumnall H (2021) What treatment and services are effective for people who are homeless and use drugs? A systematic 'review of reviews'. PLoS ONE, 16 (7), Art. No.: e0254729. https://doi.org/10.1371/journal.pone.0254729
Article
Parkes T, Carver H, Masterton W, Falzon D, Dumbrell J, Grant S & Wilson I (2021) "You know, we can change the services to suit the circumstances of what is happening in the world": a rapid case study of the COVID-19 response across city centre homelessness and health services in Edinburgh, Scotland. Harm Reduction Journal, 18, Art. No.: 64. https://doi.org/10.1186/s12954-021-00508-1
Article
Parkes T, Carver H, Masterton W, Falzon D, Dumbrell J, Grant S & Wilson I (2021) 'They already operated like it was a crisis, because it always has been a crisis': a qualitative exploration of the response of one homeless service in Scotland to the COVID-19 pandemic. Harm Reduction Journal, 18, Art. No.: 26. https://doi.org/10.1186/s12954-021-00472-w
Article
Parkes T, Carver H, Masterton W, Booth H, Ball L, Murdoch H, Falzon D, Pauly BM & Matheson C (2021) Exploring the Potential of Implementing Managed Alcohol Programmes to Reduce Risk of COVID-19 Infection and Transmission, and Wider Harms, for People Experiencing Alcohol Dependency and Homelessness in Scotland. International Journal of Environmental Research and Public Health, 18 (23), Art. No.: 12523. https://doi.org/10.3390/ijerph182312523
Article
Masterton W, Park K, Carver H & Parkes T (2021) Greenspace programmes for mental health: A survey study to test what works, for whom, and in what circumstances. Health and Place, 72, Art. No.: 102669. https://doi.org/10.1016/j.healthplace.2021.102669
Project Report
Parkes T, Carver H, Matheson C, Pauly B, McCulloch P, Browne T, Masterton W & Booth H (2021) Managed alcohol programmes: Scoping the potential of a novel intervention to help prevent infection (COVID-19) for people experiencing alcohol dependency and homelessness - Staff [COVID-19 MAPs Study Briefing - Staff]. Chief Scientist Office. University of Stirling.
Project Report
Parkes T, Carver H, Matheson C, Pauly B, McCulloch P, Browne T, Masterton W & Booth H (2021) Managed alcohol programmes: Scoping the potential of a novel intervention to help prevent infection (COVID-19) for people experiencing alcohol dependency and homelessness - Clients [COVID-19 MAPs Study Briefing - Clients]. Chief Scientist Office. University of Stirling.
Website Content
Preventing substance use among young people in Dundee: Lessons from the ‘Youth in Iceland Model’
Masterton W, Carver H & Parkes T (2021) Preventing substance use among young people in Dundee: Lessons from the ‘Youth in Iceland Model’. University of Stirling Public Policy Blog [Blog post] 30.04.2021. https://policyblog.stir.ac.uk/2021/04/30/preventing-substance-use-among-young-people-in-dundee-lessons-from-the-youth-in-iceland-model/
Research Report
Evidence Review Of Drug Treatment Services For People Who Are Homeless And Use Drugs
Miler J, Carver H, Masterton W, Parkes T, Jones L, Maden M & Sumnall H (2021) Evidence Review Of Drug Treatment Services For People Who Are Homeless And Use Drugs. Health Research Board. HRB Drug and Alcohol Evidence Review, 7. Dublin. https://www.drugsandalcohol.ie/33910
Newspaper / Magazine
Masterton W, Carver H & Parkes T (2020) Parks and green spaces are important for our mental health - but we need to make sure that everyone can benefit. The Conversation. 07.08.2020.
Article
Masterton W, Carver H, Parkes T & Park K (2020) Greenspace interventions for mental health in clinical and non-clinical populations: What works, for whom, and in what circumstances?. Health and Place, 64, Art. No.: 102338. https://doi.org/10.1016/j.healthplace.2020.102338