Hayden, Nikita, Flynn, Samantha, Blumenfeld, F., Hastings, Richard P., Gray, Kylie M., Cullen, Stephen Michael, Cullen, Mairi Ann and Langdon, Peter E. (2023) Reducing the risk of criminal exploitation using multi-systemic therapy (the RESET Study) : study protocol for a feasibility study and process evaluation. Pilot and Feasibility Studies, 9 (1). 193. doi:10.1186/s40814-023-01409-9 ISSN 2055-5784.

Nwokolo, Eziafakaku Uchechukwu, Murphy, Glynis H. and Langdon, Peter E. (2023) Validation of the social communication questionnaire amongst Nigerian adolescents. Autism Research . doi:10.1002/aur.3038 ISSN 1939-3792. (In Press)

Cowell, Rebekah, Vostanis, Athanasios and Langdon, Peter E. (2023) Increasing face mask wearing in autistic individuals using behavior analytic interventions : a systematic review and meta-analysis. Journal of Autism and Developmental Disorders . doi:10.1007/s10803-023-06128-x ISSN 0162-3257. (In Press)

Nwokolo, Eziafakaku Uchechukwu, Murphy, Glynis H., Mensink, Anne‐Marie, Moonen, Xavier and Langdon, Peter E. (2023) Using the consensus group method to select the best screening tools for autism and intellectual disability for use with Nigerian adolescents. Journal of Policy and Practice in Intellectual Disabilities . doi:10.1111/jppi.12466 ISSN 1741-1130. (In Press)

Hassiotis, Angela, Kouroupa, Athanasia, Hamza, Leila, Marston, Louise, Romeo, Renee, Yaziji, Nahel, Hall, Ian, Langdon, Peter E., Courtenay, Ken, Taggart, Laurence, Morant, Nicola, Crossey, Vicky and Lloyd-Evans, Brynmor (2023) Clinical and cost evaluation of two models of specialist intensive support teams for adults with intellectual disabilities who display behaviours that challenge : the IST-ID mixed-methods study. BJPsych Open, 9 (4). e116. doi:10.1192/bjo.2023.74 ISSN 2056-4724.

Hewitt, Olivia Mary, Langdon, Peter E., Tapp, Katherine and Larkin, Michael (2023) A systematic review and narrative synthesis of inclusive health and social care research with people with intellectual disabilities : how are co‐researchers involved and what are their experiences? Journal of Applied Research in Intellectual Disabilities, 36 (4). pp. 681-701. doi:10.1111/jar.13100 ISSN 1468-3148.

Zarcone, Jennifer R., Brown, Ivan, Langdon, Peter E., Mullane, Michael and Scheithauer, Mindy (2023) Response to ABAI task force on the use of contingent electric skin shock. Perspectives on Behavior Science, 46 . pp. 349-354. doi:10.1007/s40614-023-00381-2 ISSN 2520-8969.

Langdon, Peter E., Bisson, Jonathan I., Rogers, Gemma, Swain, Sophie, Hiles, Steve, Watkins, Alan and Willner, Paul (2023) Evaluation of an adapted version of the International Trauma Questionnaire for use by people with intellectual disabilities. British Journal of Clinical Psychology, 62 (2). pp. 471-482. doi:10.1111/bjc.12421 ISSN 0144-6657.

Murphy, Glynis H., Sinclair, Neil, Melvin, Clare L. and Langdon, Peter E. (2023) Group CBT for men with intellectual disabilities and/or autism who have harmful sexual behaviour. British Journal of Clinical Psychology . doi:10.1111/bjc.12427 ISSN 0144-6657. (In Press)

Kapoor, Geetika, Vostanis, Athanasios, Mejía-Buenaño, Suzy and Langdon, Peter E. (2023) Using precision teaching to improve typically developing student’s mathematical skills via teleconferencing. Journal of Behavioral Education . doi:10.1007/s10864-023-09520-w ISSN 1053-0819. (In Press)

Kouroupa, Athanasia, Hassiotis, Angela, Hamza, Leila, Courtenay, Ken, Hall, Ian, Langdon, Peter E., Taggart, Laurence, Crossey, Vicky, Lloyd‐Evans, Brynmor and Morant, Nicola (2023) Stakeholder perspectives on intensive support teams for adults with intellectual disabilities who display behaviour that challenges in England. Journal of Applied Research in Intellectual Disabilities . doi:10.1111/jar.13129 ISSN 1468-3148. (In Press)

Killett, Anne, Langdon, Peter E., Ryan, Hayley, Shiggins, Ciara, Heywood, Rob, Jimoh, Oluseyi F., Redley, Marcus and Bunning, Karen (2023) Inclusion of adults with conditions that have the potential to affect capacity and or communication in research : triangulation from a mixed-methods study of current practice and values across multiple stakeholders. BMJ Open, 13 (4). e068366. doi:10.1136/bmjopen-2022-068366 ISSN 2044-6055.

Tapp, Katherine, Vereenooghe, Leen, Hewitt, Olivia, Scripps, Emma, Gray, Kylie M. and Langdon, Peter E. (2023) Psychological therapies for people with intellectual disabilities : an updated systematic review and meta-analysis. Comprehensive Psychiatry, 122 . 152372. doi:10.1016/j.comppsych.2023.152372 ISSN 0010-440X.

Adams, Danielle, Hastings, Richard P., Maidment, Ian, Shah, Chetan and Langdon, Peter E. (2023) Deprescribing psychotropic medicines for behaviours that challenge in people with intellectual disabilities : a systematic review. BMC Psychiatry, 23 . 202. doi:10.1186/s12888-022-04479-w ISSN 1471-244X. (In Press)

Vostanis, Athanasios, Thompson, Paul A., Padden, Ciara, Rizos, Konstantinos and Langdon, Peter E. (2023) Protocol : evaluating the application and effectiveness of precision teaching : a systematic review and meta‐analysis. Campbell Systematic Reviews, 19 (1). e1317. doi:10.1002/cl2.1317 ISSN 1891-1803.

Vostanis, Athanasios, Padden, Ciara, McTiernan, Aoife and Langdon, Peter E. (2023) Comparing the minimum celeration line and the beat your personal best goal-setting approaches during the mathematical practice of students diagnosed with autism. Journal of Behavioral Education, 32 . pp. 21-50. doi:10.1007/s10864-021-09432-7 ISSN 1053-0819.

Hewitt, Olivia Mary, Langdon, Peter E., Hales, Susie A. and Larkin, Michael (2023) The phenomenology of mental imagery in people with intellectual disabilities. Psychology and Psychotherapy, 96 (1). pp. 25-39. doi:10.1111/papt.12424 ISSN 1476-0835.

Taylor, Emma L., Thompson, Paul A., Manktelow, Nicholas, Flynn, Samantha, Gillespie, David, Bradshaw, Jill, Gore, Nick, Liew, Ashley, Lovell, Mark, Sutton, Kate, Richards, Caroline, Petrou, Stavros, Langdon, Peter E., Grant, Gemma, Cooper, Vivien, Seers, Kate and Hastings, Richard P. (2023) Mapping and identifying service models for community-based services for children with intellectual disabilities and behaviours that challenge in England. BMC Health Services Research . ISSN 1472-6963. (In Press)

Collins, J., Barnoux, Magali and Langdon, Peter E. (2023) A preliminary firesetting offence chain for adults with intellectual and other developmental disabilities. Journal of Intellectual and Developmental Disability, 48 (2). pp. 146-160. doi:10.3109/13668250.2022.2037186 ISSN 1366-8250.

Kooijmans, Roel, Langdon, Peter E. and Moonen, Xavier (2022) Assisting children and youth with completing self-report instruments introduces bias : a mixed-method study that includes children and young people's views. Methods in Psychology, 7 . 100102. doi:10.1016/j.metip.2022.100102 ISSN 2590-2601.

Kooijmans, R., Langdon, Peter E. and Moonen, X. (2022) Assisting children and youth with completing self-report instruments introduces bias : a mixed-method study that includes children and young people’s views. Methods in Psychology, 7 . 100102. doi:10.1016/j.metip.2022.100102 ISSN 2590-2601.

Hassiotis, Angela , Kouroupa, Athanasia, Hamza, Leila, Morant, Nicola, Hall, Ian, Marston, Louise, Romeo, Renee, Yaziji, Nahel, Jones , Rebecca, Courtenay, Ken, Langdon, Peter E., Taggart, Laurence, Crossey, Vicky and Lloyd-Evans, Brynmor (2022) Intensive support teams for adults with intellectual disabilities displaying challenging behaviour : the IST-ID mixed-methods study. Health and Social Care Delivery Research, 10 (33). doi:10.3310/CHDC1642 ISSN 2755-0060.

Triantafyllopoulou, Paraskevi, Clark-Hughes, Charlotte and Langdon, Peter E. (2022) Social media and cyber-bullying in autistic adults. Journal of Autism and Developmental Disorders, 52 . pp. 4966-4974. doi:10.1007/s10803-021-05361-6 ISSN 0162-3257.

Melvin, Clare L., Barnoux, Magali, Alexander, Regi, Roy, Ashok, Devapriam, John, Blair, Robert, Tromans, Samuel, Shepstone, Lee and Langdon, Peter E. (2022) A systematic review of in-patient psychiatric care for people with intellectual disabilities and/or autism : effectiveness, patient safety and experience. BJPsych Open, 8 (6). pp. 1-8. E187. doi:10.1192/bjo.2022.571 ISSN 2056-4724.

Nwokolo, E.U., Langdon, Peter E. and Murphy, Glynis H. (2022) Screening for intellectual disabilities and/or autism amongst older children and young adults : a systematic review of tools of use in Africa. Review Journal of Autism and Developmental Disorders . doi:10.1007/s40489-022-00342-6 ISSN 2195-7177. (In Press)

Vostanis, Athanasios, Padden, Ciara and Langdon, Peter E. (2022) Investigating the relationship between learning channel sets during the mathematical practice of autistic students. British Journal of Special Education, 49 (3). pp. 375-398. doi:10.1111/1467-8578.12408 ISSN 1467-8578.

Hewitt, Olivia, Steel, Craig, Hales, S. A., Hayden, Nikita, Gundeslioglu, Hatice, Tapp, Katherine and Langdon, Peter E. (2022) A systematic review and narrative synthesis of mental imagery tasks in people with an intellectual disability : implications for psychological therapies. Clinical Psychology Review, 96 . 102178. doi:10.1016/j.cpr.2022.102178 ISSN 0272-7358.

Collins, Josie, Langdon, Peter E. and Barnoux, Magali (2022) The adapted firesetting assessment scale : reliability and validity. Journal of Intellectual Disability Research, 66 (7). pp. 642-654. doi:10.1111/jir.12950 ISSN 0964-2633.

Bunning, Karen, Jimoh, Oluseyi Florence, Heywood, Rob, Killett, Anne, Ryan, Hayley and Langdon, Peter E. (2022) How are adults with capacity-affecting conditions and associated communication difficulties included in ethically sound research? A documentary-based survey of ethical review and cruitment processes under the research provisions of the Mental Capacity Act (2005) for England and Wales. BMJ Open, 12 (3). e059036. doi:10.1136/bmjopen-2021-059036 ISSN 2044-6055.

Bunning, Karen, Jimoh, Oluseyi Florence, Heywood, Rob, Killett, Anne, Ryan, Hayley, Shiggins, Ciara and Langdon, Peter E. (2022) How are adults with capacity-affecting conditions and associated communication difficulties included in ethically sound research? A documentary-based survey of ethical review and recruitment processes under the research provisions of the Mental Capacity Act (2005) for England and Wales. BMJ Open, 12 (3). e059036. doi:10.1136/bmjopen-2021-059036 ISSN 2044-6055.

Howell, Melanie, Bradshaw, Jill and Langdon, Peter E. (2022) Asking the teachers : a Delphi Study on the selection of skills and behaviours for an assessment of barriers to learning for pupils on the Autism Spectrum with intellectual disabilities. British Journal of Learning Disabilities, 50 (1). pp. 3-12. doi:10.1111/bld.12350 ISSN 1354-4187.

Collins, Josie, Barnoux, Magali and Langdon, Peter E. (2022) The development of the Adapted Firesetting Assessment Scale. Journal of Applied Research in Intellectual Disabilities, 35 (2). pp. 537-555. doi:10.1111/jar.12965 ISSN 1468-3148.

Langdon, Peter E., Marczak, Magdalena, Clifford, Clair and Willner, Paul (2022) Occupational stress, coping and wellbeing among registered psychologists working with people with intellectual disabilities during the COVID-19 pandemic in the United Kingdom. Journal of Intellectual and Developmental Disability, 47 (3). pp. 195-205. doi:10.3109/13668250.2021.1967588 ISSN 1366-8250.

Langdon, Peter E., Thompson, Paul A., Shepstone, Lee, Perez-Olivas, Gisela, Melvin, Clare L., Barnoux, Magali, Alexander, Regi, Roy, Ashok and Devapriam, John (2022) Psychiatric inpatient admissions and discharges of people with intellectual disabilities : a time series analysis of English national data. Journal of Applied Research in Intellectual Disabilities . doi:10.1111/jar.13051 ISSN 1468-3148.

Kooijmans, R., Mercera, G., Langdon, Peter E. and Moonen, X. (2022) The adaptation of self-report measures to the needs of people with intellectual disabilities : a systematic review. Clinical Psychology : Science and Practice, 29 (3). pp. 250-271. doi:10.1037/cps0000058 ISSN 0969-5893.

Patel, Varsha, Perez‐Olivas, Gisela, Kroese, Biza Stenfert, Rogers, Gemma, Rose, John, Murphy, Glynis H., Cooper, Vivien, Langdon, Peter E., Hiles, Steve, Clifford, Clair and Willner, Paul (2021) The experiences of carers of adults with intellectual disabilities during the first COVID‐19 lockdown period. Journal of Policy and Practice in Intellectual Disabilities, 18 (4). pp. 254-262. doi:10.1111/jppi.12382 ISSN 1741-1122.

Vostanis, Athanasios, Padden, Ciara, Chiesa, Mecca and Langdon, Peter E. (2021) A precision teaching framework for improving mathematical skills of students with intellectual and developmental disabilities. Journal of Behavioral Education, 30 . pp. 513-533. doi:10.1007/s10864-020-09394-2 ISSN 1053-0819.

Rogers, Gemma, Perez‐Olivas, Gisela, Stenfert Kroese, Biza, Patel, Varsha, Murphy, Glynis H., Rose, John L., Cooper, Vivien, Langdon, Peter E., Hiles, Steve, Clifford, Clair and Willner, Paul (2021) The experiences of mothers of children and young people with intellectual disabilities during the first COVID‐19 lockdown period. Journal of Applied Research in Intellectual Disabilities, 34 (6). pp. 1421-1430. doi:10.1111/jar.12884 ISSN 1468-3148.

Hewitt, Olivia, Langdon, Peter, Tapp, Katherine and Larkin, Michael (2021) A systematic review and narrative synthesis of inclusive research involving people with intellectual disabilities : implications for health research [search strategy]. [Online]. . Coventry, UK: University of Warwick ; CEDAR. (Unpublished)

Jimoh, Oluseyi Florence, Ryan, Hayley, Killett, Anne, Shiggins, Ciara, Langdon, Peter E., Heywood, Rob and Bunning, Karen (2021) A systematic review and narrative synthesis of the research provisions under the Mental Capacity Act (2005) in England and Wales : recruitment of adults with capacity and communication difficulties. PLoS One, 16 (9). e0256697. doi:10.1371/journal.pone.0256697 ISSN 1932-6203.

Howell, Melanie, Bailey, Tom, Bradshaw, Jill and Langdon, Peter E. (2021) The preliminary validity and reliability of the Assessment of Barriers to Learning in Education – Autism. Research in Developmental Disabilities, 116 . 104025. doi:10.1016/j.ridd.2021.104025 ISSN 0891-4222.

Hassiotis, Angela, Langdon, Peter E. and Courtenay, Ken (2021) UK Mental Health Act reform : implications for people with intellectual disabilities and autism. The Lancet Psychiatry, 8 (6). pp. 452-453. doi:10.1016/S2215-0366(21)00064-X

Langdon, Peter E. and Murphy, Glynis H. (2021) Working in community settings with people with learning disabilities and autistic people who are at risk of coming into contact with the criminal justice settings. London: Health Education England.

Hewitt, Olivia, Langdon, Peter, Steel, Craig, Larkin, Michael and Hayden, Nikita (2021) A systematic review and narrative synthesis of mental imagery tasks in people with an intellectual disability : implications for psychological therapies [search strategy]. [Online]. (https://wrap.warwick.ac.uk/156431). Coventry, UK: University of Warwick ; CEDAR. (Unpublished)

Hassiotis, Angela , Kouroupa, Athanasia, Jones, Rebecca, Morant, Nicola, Courtenay, Ken, Hall, Ian, Crossey, Vicky, Romeo, Renee, Taggart, Laurence, Langdon, Peter E., Ratti, Victoria, Kirchner, Vincent and Lloyd-Evans, Brynmor (2021) Clinical and cost evaluation of intensive support team (IST) models for adults with intellectual disabilities who display challenging behaviour : a comparative cohort study protocol. BMJ Open, 11 (3). e043358. doi:10.1136/bmjopen-2020-043358 ISSN 2044-6055.

Howell, Melanie, Bradshaw, Jill and Langdon, Peter E. (2021) A systematic review of behaviour related outcome assessments for children on the autism spectrum with intellectual disabilities in education settings. Review Journal of Autism and Developmental Disorders, 8 . pp. 67-91. doi:10.1007/s40489-020-00205-y ISSN 2195-7177.

Ryan, Hayley, Heywood, Rob, Killett, Anne, Langdon, Peter E., Shiggins, Ciara and Bunning, Karen (2021) Inclusion under the Mental Capacity Act (2005) : a review of research policy guidance and governance structures in England and Wales. Health Expectations, 24 (1). pp. 152-164. doi:10.1111/hex.13165 ISSN 1369-6513.

Alexander, Regi, Langdon, Peter E., O'Hara, Jean, Howell, Andreana, Lane, Tadhgh, Tharian, Reena and Shankar, Rohit (2021) Psychiatry and neurodevelopmental disorders : experts by experience clinical care and research. British Journal of Psychiatry, 218 (1). pp. 1-3. doi:10.1192/bjp.2020.237 ISSN 0007-1250.

Collins, Josie, Barnoux, Magali and Langdon, Peter E. (2021) Adults with intellectual disabilities and/or autism who deliberately set fires : a systematic review. Aggression and Violent Behavior, 56 . 101545. doi:10.1016/j.avb.2020.101545 ISSN 1359-1789.

Sadek, Susan A., Daniel, Matthew R. and Langdon, Peter E. (2021) Attentional bias toward negative and positive pictorial stimuli and its relationship with distorted cognitions, empathy, and moral reasoning amongst men with intellectual disabilities who have committed crimes. Aggressive behavior, 47 (1). pp. 120-130. doi:10.1002/ab.21908 ISSN 0096-140X.

Howell, Melanie, Bradshaw, Jill and Langdon, Peter E. (2020) ‘There isn’t a checklist in the world that’s got that on it’ : Special needs teachers’ opinions on the assessment and teaching priorities of pupils on the autism spectrum. Journal of Intellectual Disabilities . doi:10.1177/1744629520972901 ISSN 1744-6295.

Zarcone, J., Mullane, M. P., Langdon, Peter E. and Brown, I. (2020) Contingent electric shock as a treatment for challenging behavior for people with intellectual and developmental disabilities : support for the IASSIDD policy statement opposing its use. Journal of Policy and Practice in Intellectual Disabilities, 17 (4). pp. 291-296. doi:10.1111/jppi.12342 ISSN 1741-1122.

Hassiotis, Angela , Langdon, Peter E., Courtenay, Ken, Hall, Ian, Lloyd-Evans, Bryn, Romeo, Renee, Kouroupa, Athanasia, Crossey, Vicky and Taggart, Laurence George (2020) Expanding capacity in mental health research in intellectual disabilities. BJPsych Bulletin . pp. 1-4. doi:10.1192/bjb.2020.117

Langdon, Peter E., Marczak, Magdalena, Clifford, Clair and Willner, Paul (2020) Data for Occupational stress, coping and wellbeing amongst registered psychologists working with people with intellectual disabilities during the COVID-19 pandemic in the United Kingdom. [Dataset]

Melvin, Clare L., Langdon, Peter E. and Murphy, Glynis H. (2020) “They’re the hardest group to treat, that changes the least”. Adapted sex offender treatment programmes for individuals with Autism Spectrum Disorders : Clinician views and experiences. Research in Developmental Disabilities, 105 . 103721. doi:10.1016/j.ridd.2020.103721 ISSN 0891-4222.

Willner, P, Rose, J, Stenfert Kroese, B, Murphy, GH, Langdon, Peter E., Clifford, C, Hutchings, H, Watkins, A, Hiles, S and Cooper, V (2020) Effect of the COVID‐19 pandemic on the mental health of carers of people with intellectual disabilities. Journal of Applied Research in Intellectual Disabilities . doi:10.1111/jar.12811 ISSN 1468-3148.

Alexander, Regi, Ravi, Ambiga, Barclay, Helene, Sawhney, Indermeet, Chester, Verity, Malcolm, Vicki, Brolly, Kate, Mukherji, Kamalika, Zia, Asif, Tharian, Reena, Howell, Andreana, Lane, Tadhgh, Cooper, Viv and Langdon, Peter E. (2020) Guidance for the treatment and management of COVID-19 amongst people with intellectual disabilities. Journal of Policy and Practice in Intellectual Disabilities, 17 (3). pp. 256-269. doi:10.1111/jppi.12352 ISSN 1741-1122.

Melvin, Clare L., Langdon, Peter E. and Murphy, Glynis H. (2020) 'I feel that if I didn't come to it anymore, maybe I would go back to my old ways and I don't want that to happen' - adapted sex offender treatment programmes : views of service users with autism spectrum disorders. Journal of Applied Research in Intellectual Disabilities, 33 (4). pp. 739-756. doi:10.1111/jar.12641 ISSN 1468-3148.

Langdon, Peter E., Murphy, Glynis H. and Hastings, Richard P. (2020) A special issue and editorial in memory of Professor William R Lindsay. Journal of Applied Research in Intellectual Disabilities, 33 (4). pp. 649-653. doi:10.1111/jar.12737 ISSN 1468-3148.

Barnoux, Magali, Alexander, R., Bhaumik, Sabyasachi , Devapriam, J., Duggan, C., Shepstone, L., Staufenburg, E., Turner, D. R., Tyler, N., Viding, E. and Langdon, Peter E. (2020) The face-validity of an initial sub-typology of people with autism spectrum disorders detained in psychiatric hospitals. Autism, 24 (7). pp. 1-13. doi:10.1177/1362361320929457 ISSN 1362-3613.

Rose, J, Willner, P, Cooper, Viv, Langdon, Peter E., Murphy, Glynis H. and Stenfert Kroese, B (2020) The effect on and experience of families with a member who has Intellectual and Developmental Disabilities of the COVID-19 pandemic in the UK : developing an investigation. International Journal of Developmental Disabilities . doi:10.1080/20473869.2020.1764257 ISSN 2047-3869.

Buell, Susan, Langdon, Peter E., Pounds, G. and Bunning, Karen (2020) An open randomised controlled trial of the effects of linguistic simplification and mediation on the comprehension of 'easy read' text by people with intellectual disabilities. Journal of Applied Research in Intellectual Disabilities, 33 (2). pp. 219-231. doi:10.1111/jar.12666 ISSN 1468-3148.

Hassiotis, Angela , Walsh, Amy, Budgett, Jessica, Harrison, Isobel, Jones, Rebecca, Morant, Nicola, Courtenay, Ken, Crossey, Elisabeth Victoria, Hall, Ian, Romeo, Renee, Taggart, Laurence George, Langdon, Peter E., Ratti, Victoria, Kirchner, Vincent and Lloyd-Evans, Brymor (2020) Intensive support for adults with intellectual disability and behaviours that challenge : a survey of provision and service typologies in England. BJ Psych Open, 6 (2). e20. doi:10.1192/bjo.2020.2 ISSN 2056-4724.

Heywood, Rob, Ryan, Hayley, Killett, Anne, Langdon, Peter, Plenderleith, Yvonne, Shiggins, Ciara and Bunning, Karen (2019) Lost voices in research : exposing the gaps in the Mental Capacity Act 2005. Medical Law International, 19 (2-3). pp. 81-112. doi:10.1177/0968533219867365 ISSN 0968-5332.

Garrigan, Beverley, Adlam, Anna L.R. and Langdon, Peter E. (2018) Moral decision-making and moral development : toward an integrative framework. Developmental Review, 49 . pp. 80-100. doi:10.1016/j.dr.2018.06.001 ISSN 0273-2297.

Barnoux, M.F., Alexander, R., Bhaumik, S., Devapriam, J., Duggan, C. and Langdon, Peter E. (2018) The face validity of an initial sub‐typology of adults with autism spectrum disorders detained in hospital. Journal of Applied Research in Intellectual Disabilities, 31 (4). 5481. doi:10.1111/jar.12485 ISSN 1468-3148.

Vereenooghe, Leen, Flynn, Samantha, Hastings, Richard P., Adams, Dawn, Chauhan, Umesh, Cooper, Sally-Ann, Gore, Nick, Hatton, Chris, Hood, Kerry, Jahoda, Andrew, Langdon, Peter E., McNamara, Rachel, Oliver, Chris, Roy, Ashok, Totsika, Vasiliki and Waite, Jane (2018) Interventions for mental health problems in children and adults with severe intellectual disabilities : a systematic review. BMJ Open, 8 (6). e021911. doi:10.1136/bmjopen-2018-021911 ISSN 2044-6055.

Rai, Rahul, Tromans, Samuel, Kapugama, Chaya, Chester, Verity, Gunaratna, Ignatius, Langdon, Peter E. and Alexander, Regi T. (2018) A phenomenological approach to diagnosing psychosis in autism spectrum disorder and intellectual disability : a case series. Advances in Autism, 4 (2). pp. 39-48. doi:10.1108/AIA-01-2018-0004 ISSN 2056-3868.

Morrissey, Catrin, Langdon, Peter E., Geach, Nicole, Chester, Verity, Ferriter, Michael, Lindsay, William R., McCarthy, Jane, Devapriam, John, Walker, Dawn-Marie, Duggan, Conor and Alexander, Regi (2018) A systematic review and synthesis of outcome domains for use within forensic services for people with intellectual disabilities. BJPsych Open, 3 (1). pp. 41-56. doi:10.1192/bjpo.bp.116.003616 ISSN 2056-4724.

Daniel, Matthew R., Sadek, Susan A. and Langdon, Peter E. (2018) The reliabilty and validity of a revised version of the How I Think Questionnaire for men who have intellectual disabilities. Psychology, Crime & Law, 24 (4). pp. 379-390. doi:10.1080/1068316X.2017.1284217 ISSN 1068-316X.

Flynn, Samantha, Vereenooghe, Leen, Hastings, Richard P., Adams, Dawn, Cooper, Sally-Ann, Gore, Nick, Hatton, Chris, Hood, Kerry, Jahoda, Andrew, Langdon, Peter E., McNamara, Rachel, Oliver, Chris, Roy, Ashok, Totsika, Vasiliki and Waite, Jane (2017) Measurement tools for mental health problems and mental well-being in people with severe or profound intellectual disabilities : a systematic review. Clinical Psychology Review, 57 . pp. 32-44. doi:10.1016/j.cpr.2017.08.006 ISSN 0272-7358.

Doble, Brett, Langdon, Peter E., Shepstone, Lee, Murphy, Glynis H., Fowler, David, Heavens, David, Malovic, Aida, Russell, Alexandra, Rose, Alice, Mullineaux, Louise and Wilson, Edward C. F. (2017) Economic evaluation alongside a randomized controlled crossover trial of modified group cognitive–behavioral therapy for anxiety compared to treatment-as-usual in adults with Asperger syndrome. MDM Policy & Practice, 2 (2). doi:10.1177/2381468317729353 ISSN 2381-4683.

Melvin, Clare L., Langdon, Peter E. and Murphy, Glynis H. (2017) Treatment effectiveness for offenders with autism spectrum conditions : a systematic review. Psychology, Crime & Law, 23 (8). pp. 748-776. doi:10.1080/1068316X.2017.1324027 ISSN 1068-316X.

Alexander, R., Chester, V. and Langdon, Peter E. (2017) A systematic review and synthesis of outcome domains for use within forensic services for people with intellectual disabilities. European Psychiatry, 41 . S152 . (Suppl). doi:10.1016/j.eurpsy.2017.01.2008 ISSN 0924-9338.

Garrigan, Beverley, Adlam, Anna L.R. and Langdon, Peter E. (2017) Corrigendum to “The neural correlates of moral decision-making : a systematic review and meta-analysis of moral evaluations and response decision judgements” [Brain Cogn. 108 (2016) 88–97]. Brain and Cognition, 111 . pp. 104-106. doi:10.1016/j.bandc.2016.10.002 ISSN 0278-2626.

Morrissey, Catrin, Langdon, Peter E., Geach, Nicole, Chester, Verity, Ferriter, Michael, Lindsay, William R., McCarthy, Jane, Devapriam, John, Walker, Dawn-Marie, Duggan, Conor and Alexander, Regi (2017) A systematic review and synthesis of outcome domains for use within forensic services for people with intellectual disabilities. BJPsych Open, 3 (1). pp. 41-56. doi:10.1192/bjpo.bp.116.003616 ISSN 2056-4724.

Morrissey, Catrin, Geach, Nicole, Alexander, Regi, Chester, Verity, Devapriam, John, Duggan, Conor, Langdon, Peter E., Lindsay, Bill, McCarthy, Jane and Walker, Dawn-Marie (2017) Researching outcomes from forensic services for people with intellectual or developmental disabilities : a systematic review, evidence synthesis and expert and patient/carer consultation. NIHR Journals Library.

Vereenooghe, Leen, Gega, Lina and Langdon, Peter E. (2017) Intellectual disability and computers in therapy : views of service users and clinical psychologists. Cyberpsychology: Journal of Psychosocial Research on Cyberspace, 11 (1). doi:10.5817/CP2017-1-11 ISSN 1802-7962.

Weston, Lisa, Hodgekins, Joanne and Langdon, Peter E. (2016) Effectiveness of cognitive behavioural therapy with people who have autistic spectrum disorders : a systematic review and meta-analysis. Clinical Psychology Review, 49 . pp. 41-54. doi:10.1016/j.cpr.2016.08.001 ISSN 0272-7358.

Alexander, Regi, Langdon, Peter E., Chester, Verity, Barnoux, Magali, Gunaratna, Ignatius and Hoare, Sudeep (2016) Heterogeneity within autism spectrum disorder in forensic mental health : the introduction of typologies. Advances in Autism, 2 (4). pp. 201-209. doi:10.1108/AIA-08-2016-0021 ISSN 2056-3868.

Chester, Verity and Langdon, Peter E. (2016) The clinical utility of social information processing theory in assessing and treating offenders with autism spectrum disorder. Advances in Autism, 2 (4). pp. 154-171. doi:10.1108/AIA-07-2016-0019 ISSN 2056-3868.

Garrigan, Beverley, Adlam, Anna L.R. and Langdon, Peter E. (2016) The neural correlates of moral decision-making : a systematic review and meta-analysis of moral evaluations and response decision judgements. Brain and Cognition, 108 . pp. 88-97. doi:10.1016/j.bandc.2016.07.007 ISSN 0278-2626.

Rees, Joanna and Langdon, Peter E. (2016) The relationship between problem-solving ability and self-harm amongst people with mild intellectual disabilities. Journal of Applied Research in Intellectual Disabilities, 29 (4). pp. 387-393. doi:10.1111/jar.12187 ISSN 1360-2322.

Montgomery, Charlotte B., Allison, Carrie, Lai, Meng-Chuan, Cassidy, Sarah, Langdon, Peter E. and Baron-Cohen, Simon (2016) Do adults with high functioning autism or Asperger syndrome differ in empathy and emotion recognition? Journal of Autism and Developmental Disorders, 46 (6). pp. 1931-1940. doi:10.1007/s10803-016-2698-4 ISSN 0162-3257.

Langdon, Peter E., Murphy, Glynis H., Shepstone, Lee, Wilson, Edward C.F., Fowler, David, Heavens, David, Russell, Alexandra, Rose, Alice, Malovic, Aida and Mullineaux, Louise (2016) The people with Asperger syndrome and anxiety disorders (PAsSA) trial : a pilot multicentre, single-blind randomised trial of group cognitive–behavioural therapy. BJPsych Open, 2 (2). pp. 179-186. doi:10.1192/bjpo.bp.115.002527 ISSN 2056-4724.

Steverson, Tom, Adlam, Anna-Lynne R. and Langdon, Peter E. (2016) Development and validation of a modified multiple errands test for adults with intellectual disabilities. Journal of Applied Research in Intellectual Disabilities, 30 (2). pp. 255-268. doi:10.1111/jar.12236 ISSN 1468-3148.

McDermott, Emily and Langdon, Peter E. (2016) The moral reasoning abilities of men and women with intellectual disabilities who have a history of criminal offending behaviour. Legal and Criminological Psychology, 21 (1). pp. 25-40. doi:10.1111/lcrp.12051 ISSN 1355-3259.

Langdon, Peter E. (2015) Commentary on "The use of cognitive behaviour therapy to treat depression in people with learning disabilities : a systematic review". Tizard Learning Disability Review, 20 (2). pp. 65-68. doi:10.1108/TLDR-02-2015-0005 ISSN 1359-5474.

Crook, Nicola, Adams, Malcolm, Shorten, Nicola and Langdon, Peter E. (2015) Does the well-being of individuals with down syndrome and dementia improve when using life story books and rummage boxes? a randomized single case series experiment. Journal of Applied Research in Intellectual Disabilities, 29 (1). pp. 1-10. doi:10.1111/jar.12151 ISSN 1468-3148.

Hockley, O.J. and Langdon, Peter E. (2015) Men with intellectual disabilities with a history of sexual offending : empathy for victims of sexual and non-sexual crimes. Journal of Intellectual Disability Research, 59 (4). pp. 332-341. doi:10.1111/jir.12137 ISSN 0964-2633.

Hall, JC, Jobson, Laura and Langdon, Peter E. (2014) Measuring symptoms of post-traumatic stress disorder in people with intellectual disabilities : the development and psychometric properties of the Impact of Event Scale-Intellectual Disabilities (IES-IDs). British Journal of Clinical Psychology, 53 (3). pp. 315-332. doi:10.1111/bjc.12048 ISSN 0144-6657.

Mobini, Sirous, Mackintosh, Bundy, Illingworth, Jo, Gega, Lina, Langdon, Peter E. and Hoppitt, Laura (2014) Effects of standard and explicit cognitive bias modification and computer-administered cognitive-behaviour therapy on cognitive biases and social anxiety. Journal of Behavior Therapy and Experimental Psychiatry, 45 (2). pp. 272-279. doi:10.1016/j.jbtep.2013.12.002 ISSN 0005-7916.