Gray, K. M. ORCID: https://orcid.org/0000-0001-6518-4240, Apanasionok, M. M. ORCID: https://orcid.org/0000-0002-3861-3801, Scripps, E. ORCID: https://orcid.org/0000-0001-6140-2976, Bunning, K. ORCID: https://orcid.org/0000-0002-7396-9205, Burke, C. ORCID: https://orcid.org/0000-0002-5562-8896, Filipczuk, M. ORCID: https://orcid.org/0009-0001-5051-9842, Hastings, R. P. ORCID: https://orcid.org/0000-0002-0495-8270, Liew, A. ORCID: https://orcid.org/0000-0002-3825-225X, McNamara, R. ORCID: https://orcid.org/0000-0002-7280-1611, Nisar, A. ORCID: https://orcid.org/0000-0002-1996-3603, Playle, R. ORCID: https://orcid.org/0000-0002-2989-1092, Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 and Langdon, P. E.. ORCID: https://orcid.org/0000-0002-7745-1825 (2024) Specific phobias in children with moderate to severe intellectual disabilities: SPIRIT, an adaptation and feasibility study. Health Technology Assessment, 28 (64). pp. 1-118. ISSN 2046-4924 doi: https://doi.org/10.3310/lrwd7852

Almuwaiziri, F., Trakulphadetkrai, N. V. ORCID: https://orcid.org/0000-0002-0706-7991 and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2023) Visualisation to support children with attention-deficit/hyperactivity disorder learning to solve mathematical word problems: a randomised controlled trial. British Journal of Special Education, 50 (2). pp. 314-324. ISSN 1467-8578 doi: https://doi.org/10.1111/1467-8578.12466

Hazir, O., Harris, R. ORCID: https://orcid.org/0000-0001-8606-5515 and Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316 (2023) The mentor-tutor partnership in Turkish special education initial teacher training: an exploration of collaboration and agency. The Cambridge Journal of Education, 53 (2). pp. 135-154. ISSN 1469-3577 doi: https://doi.org/10.1080/0305764X.2022.2086216

Sookman, D., Phillips, K. A., Anholt, G. E., Bhar, S., Bream, V., Challacombe, F. L., Coughtrey, A., Craske, M. G., Foa, E., Gagne, J.-P., Huppert, J. D., Jacobi, D., Lovell, K., McLean, C. P., Neziroglu, F., Pedley, R., Perrin, S., Pinto, A., Pollard, C. A., Radomsky, A., Riemann, B., Shafran, R., Simos, G., Sochting, I., Summerfeldt, L. J., Szymanski, J., Treanor, M., van Noppen, B., van Oppen, P., Whittal, M., Williams, M. T., Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316, Yadin, E. and Veale, D. (2021) Knowledge and competency standards for specialized cognitive behavior therapy for adult obsessive-compulsive disorder: phase two series by the International Accreditation Task Force of The Canadian Institute for Obsessive Compulsive Disorders (CIOCD, www.ciocd.ca). Psychiatry Research, 303. 113752. ISSN 0165-1781 doi: https://doi.org/10.1016/j.psychres.2021.113752

Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316, Loucas, T. ORCID: https://orcid.org/0000-0001-8130-6690, Sin, J., Jeremic, M., Aslett, G., Knight, M., Fincham Majumdar, S. and Liu, F. ORCID: https://orcid.org/0000-0002-7776-0222 (2021) A randomised controlled feasibility trial of music-assisted language telehealth intervention for minimally verbal autistic children - the MAP study protocoL. Pilot and feasibility studies, 7. 182. ISSN 2055-5784 doi: https://doi.org/10.1186/s40814-021-00918-9

Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316 (2019) The effect of weekends and clock changes on the sleep patterns of children with Autism: A study of historical records. Journal of Sleep And Sleep Disorder Research, 1 (3). pp. 21-28. ISSN 2574-4518 doi: https://doi.org/10.14302/issn.2574-4518.jsdr-19-2950

Shafran, R., Zysk, E. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2019) CBT for a fear of morphing: a case illustration. In: Dimidjian, S. (ed.) Evidence-­Based Practice in Action. Guilford Press, New York, pp. 244-256. ISBN 9781462539765

Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316, Lewis, S., Marcham, L. and Palicka, A. (2018) Treatment of dog phobia in young people with autism and severe intellectual disabilities: an extended case series. Contemporary Behavioral Health Care, 3 (1). pp. 1-5. ISSN 2058-8690 doi: https://doi.org/10.15761/CBHC.1000125

Vogt, C., Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316, Susi, K. and Harrison, S. (2018) Differences in measurements of hyperactivity between objective testing using infrared motion analysis (QbTest) and behavioural rating scales when comparing problems in alerting functions and response inhibition during the clinical assessment of ADHD. Psychological disorders and research, 1 (2). pp. 3-6. doi: https://doi.org/10.31487/j.PDR.2018.02.002

Keyes, C., Nolte, L. and Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316 (2018) The battle of living with obsessive compulsive disorder: a qualitative study of young people's experiences. Child and Adolescent Mental Health, 23 (3). pp. 177-184. ISSN 1475-3588 doi: https://doi.org/10.1111/camh.12216

Zysk, E., Shafran, R. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2018) The origins of mental contamination. Journal of Obsessive-Compulsive and Related Disorders, 17. pp. 3-8. ISSN 2211-3649 doi: https://doi.org/10.1016/j.jocrd.2017.08.007

Zysk, E., Shafran, R. and Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316 (2018) A single-subject evaluation of the treatment of morphing fear. Cognitive and Behavioral Practice, 25 (1). pp. 168-181. ISSN 1077-7229 doi: https://doi.org/10.1016/j.cbpra.2017.03.003

Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2018) Modifying cognitions in the treatment of OCD in young people. In: Storch, E., McGuire, J. and McKay, D. (eds.) Clinician’s Guide to Cognitive-Behavioral Therapy for Childhood Obsessive-Compulsive Disorder. Elsevier, San Diego, CA. ISBN 9780128114278 doi: https://doi.org/10.1016/B978-0-12-811427-8.00007-1

Bestbier, L. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2017) The immediate effects of deep pressure on young people with autism and severe intellectual difficulties: a case series demonstrating individual differences. Occupational therapy international, 2017. 7534972,. ISSN 1557-0703 doi: https://doi.org/10.1155/2017/7534972

Burton, P., Palicka, A. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2017) Treating specific phobias in young people with autism and severe learning difficulties. The Cognitive Behaviour Therapist, 10. e21. ISSN 1754-470X doi: https://doi.org/10.1017/S1754470X17000241

Zysk, E., Shafran, R., Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316 and Melli, G. (2016) Development and validation of the Morphing Fear Questionnaire (MFQ). Clinical Psychology & Psychotherapy, 23 (6). pp. 533-542. ISSN 1063-3995 doi: https://doi.org/10.1002/cpp.1987

Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316 and Shafran, R. (2015) Obsessive–compulsive disorder in young people. BJPsych Advances, 21 (3). pp. 196-205. ISSN 2056-4678 doi: https://doi.org/10.1192/apt.bp.113.011759

Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316 (2015) The classification of involuntary musical imagery: the case for earworms. Psychomusicology: Music, Mind and Brain, 25 (1). pp. 5-13. ISSN 0275-3987 doi: https://doi.org/10.1037/pmu0000082

Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2014) Effective interventions: 25 years outside the mainstream. In: Linfoot, G., Shattock, P. and Todd, L. (eds.) 25th Anniversary International Research Conference on Autism. ESPA research, Sunderland. ISBN 0952849852

Schafer, G., Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 and Smith, P. (2013) Which words are hard for autistic children to learn? Mind and Language, 28 (5). pp. 661-698. ISSN 1468-0017 doi: https://doi.org/10.1111/mila.12038

Beaman, C. P. ORCID: https://orcid.org/0000-0001-5124-242X and Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316 (2013) Individual differences in mental control predict involuntary musical imagery. Musicae Scientiae, 17 (4). pp. 398-409. ISSN 2045-4147 doi: https://doi.org/10.1177/1029864913492530

Hewitt, P., Watts, C., Hussey, J., Power, K. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2013) Does a structured gardening programme improve well-being In young-onset dementia? A preliminary study. British Journal of Occupational Therapy, 76 (8). pp. 355-361. ISSN 0308-0226 doi: https://doi.org/10.4276/030802213X13757040168270

Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316, Perrin, S. and Salkovskis, P. (2013) Obsessive Compulsive inventory for children (Child OCI): the assessment of Obsessive Compulsive Disorder. In: Lis, A., Di Riso, D., Mazzeschi, C. and Chessa, D. (eds.) La valutazione dell'adattamento psicologico del bambino.I self-report. Raffaele Cortina, pp. 193-198. ISBN 9788860305664

Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2012) Body focused repetitive behaviours of drivers in traffic queues: a study of motivational operations. psycho.philica.com. 349. ISSN 1751-3030

Bolton, D., Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316, Perrin, S., Atkinson, L., Gallop, C., Waite, P. ORCID: https://orcid.org/0000-0002-1967-8028 and Salkovskis, P. (2011) Randomized controlled trial of full and brief cognitive-behaviour therapy and wait-list for paediatric obsessive-compulsive disorder. Journal of Child Psychology and Psychiatry, 52 (12). pp. 1269-1278. ISSN 1469-7619 doi: https://doi.org/10.1111/j.1469-7610.2011.02419.x

Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2011) Autism spectrum disorders: from genes to environment. Intech, pp412. ISBN 9789533075587

Vogt, C. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2011) Early identification of stimulant treatment responders, partial responders and non-responders using objective measures in children and adolescents with hyperkinetic disorder. Child and Adolescent Mental Health, 16 (3). pp. 144-149. ISSN 1475-3588 doi: https://doi.org/10.1111/j.1475-3588.2010.00593.x

Lawrence, P. J. P. and Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316 (2011) Pathways to inflated responsibility beliefs in adolescent obsessive-compulsive disorder: a preliminary investigation. Behavioural and Cognitive Psychotherapy, 39 (2). pp. 229-234. ISSN 1352-4658 doi: https://doi.org/10.1017/S1352465810000810

Beaman, C. P. ORCID: https://orcid.org/0000-0001-5124-242X and Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316 (2010) Earworms ("stuck song syndrome"): towards a natural history of intrusive thoughts. British Journal of Psychology, 101 (4). pp. 637-653. ISSN 0007-1269 doi: https://doi.org/10.1348/000712609X479636

Freeman, K., Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316, Farran, E. and Brown, J. (2010) Williams Syndrome: the extent of agreement between parent and self report of psychological difficulties. European Journal of Psychiatry, 24 (3). pp. 167-175. ISSN 0213-6163

Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2010) Nail biting: clinical aspects. In: Aboujaoude, E. and Koran, L.M. (eds.) Impulse Control Disorders. Cambridge University Press, Cambridge, pp. 144-156. ISBN 9780521898706

Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316 (2010) Onychophagia (nail biting): clinical aspects. In: Impulse Control Disorders. Cambridge University Press, pp. 144-156.

Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316, Salkovskis, P.M., Forrester, E., Turner, S., White, H. and Allsopp, M. (2010) A randomised controlled trial of cognitive behavioural treatment for obsessive compulsive disorder in children and adolescents. European Child and Adolescent Psychiatry, 19 (5). pp. 449-456. ISSN 1018-8827 doi: https://doi.org/10.1007/s00787-009-0077-9

Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2009) Intensive approaches for childhood fears. In: Beinart, H., Kennedy, P. and Llewelyn, S. (eds.) Clinical Psychology in Practice. Wiley-Blackwell, pp. 95-105. ISBN 9781405167673

Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 and Waite, P. (2009) Introduction to obsessive compulsive disorder. In: Waite, P. ORCID: https://orcid.org/0000-0002-1967-8028 and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (eds.) Obsessive Compulsive Disorder: Cognitive Behaviour Therapy with Children and Young People (CBT with Children, Adolescents and Families). CBT with Children, Adolescents and Families. Routledge/Taylor & Francis Group, London. ISBN 9780415403894

Salkovskis, P. M., Waite, P. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2009) Issues and future directions in childhood OCD. In: Waite, P. ORCID: https://orcid.org/0000-0002-1967-8028 and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (eds.) Obsessive Compulsive Disorder: Cognitive Behaviour Therapy with Children and Young People (CBT with Children, Adolescents and Families). CBT with Children, Adolescents and Families. Routledge, London. ISBN 9780415403894

Waite, P. ORCID: https://orcid.org/0000-0002-1967-8028 and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316, eds. (2009) Obsessive compulsive disorder: cognitive behaviour therapy with children and young people. CBT with children, adolescents and families. Routledge, London, UK. ISBN 9780415403894

Altgassen, M., Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316, Bolte, S. and Kliegel, M. (2009) Time-based prospective memory in children with autism spectrum disorder. Brain Impairment, 10 (1). pp. 52-58. ISSN 1839-5252 doi: https://doi.org/10.1375/brim.10.1.52

Knott, F. ORCID: https://orcid.org/0000-0002-5334-7206, Lewis, C. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2007) Sibling interaction of children with autism: development over 12 months. Journal of Autism and Developmental Disorders, 37 (10). pp. 1987-1995. ISSN 0162-3257 doi: https://doi.org/10.1007/s10803-006-0347-z

Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316, Rose, R. and Chisholm, S. (2007) What is the function of nail biting: an analog assessment study. Behaviour Research and Therapy, 45 (5). pp. 989-995. ISSN 0005-7967 doi: https://doi.org/10.1016/j.brat.2006.07.013

Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2006) Evaluating effects of aromatherap massage on sleep in children with autism: a pilot study. Evidence-based Complementary and Alternative Medicine, 3 (3). pp. 373-377. ISSN 1741-4288

Altgassen, M., Kliegel, M. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (2005) Pitch perception in children with autistic spectrum disorders. British journal of developmental psychology, 23 (4). pp. 543-558.

Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316, Salkovskis, P. M., Forrester, E. A. and Allsopp, M. A. (2002) Changes in symptoms of OCD and appraisal of responsibility during cognitive behavioural treatment: a pilot study. Behavioural and Cognitive Psychotherapy, 30 (01). pp. 69-78. ISSN 1352-4658

Martin, N. T., Gaffan, E. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (1999) Experimental functional analyses for challenging behavior: a study of validity and reliability. Research in developmental disabilities, 20 (2). pp. 125-146.

Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 and Allsopp, M. (1999) Obsessional Compulsive Disorder in adolescent populations: experiences of offering a combined pharmacological--psychological approach. Child Psychology and Psychiatry Review, 4 (04). pp. 162-169.

Cassidy, E., Allsopp, M. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (1999) Obsessive compulsive symptoms at initial presentation of adolescent eating disorders. European child & adolescent psychiatry, 8 (3). pp. 193-199. ISSN 1435-165X

Stevens, T., Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 and Gaffan, E. (1999) Structured teaching for special school staff: a comparison of two training packages. Journal of Applied Research in Intellectual Disabilities, 12 (4). pp. 308-322.

Martin, N., Gaffan, E. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (1998) Behavioural effects of long-term multi-sensory stimulation. British Journal of Clinical Psychology, 37 (1). pp. 69-82. ISSN 2044-8260 doi: https://doi.org/10.1111/j.2044-8260.1998.tb01280.x

Allsopp, M. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (1996) Intrusive thoughts in a non-clinical adolescent population. European Child & Adolescent Psychiatry, 5 (1). pp. 25-32.

Knott, F. ORCID: https://orcid.org/0000-0002-5334-7206, Lewis, C. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (1995) Sibling interaction of children with learning disabilities: a comparison of autism and Down's syndrome. Journal of Child Psychology and Psychiatry, 36 (6). pp. 965-976. ISSN 0021-9630

Van Colle, S. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (1994) Starting out in music therapy process research. In: Gilroy, A. and Lee, C. (eds.) Art and Music: Therapy and Research. Routledge, London, pp. 85-100. ISBN 0415100453

Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (1993) Brief report: vocabulary development in an autistic boy. Journal of autism and developmental disorders, 23 (1). pp. 185-191.

Hawkins, C. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (1992) Nightmares, life events and behaviour problems in preschool children. Child: care, health and development, 18 (2). pp. 117-128.

Allsopp, M. and Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316 (1992) Self-reports and psychiatric state: one state or many? Personality and Individual Differences, 13 (5). pp. 609-613. ISSN 0191-8869

Allsopp, M. and Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316 (1991) Self-report measures of obsessionality, depression and social anxiety in a school population of adolescents. Journal of adolescence, 14 (2). pp. 149-156. ISSN 0140-1971 doi: https://doi.org/10.1016/0140-1971(91)90027-O

Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (1990) Language acquisition in autistic children: a research note. The European Journal of Psychiatry.

Williams, T. I. ORCID: https://orcid.org/0000-0003-0072-3316 (1989) A social skills group for autistic children. Journal of Autism and Developmental Disorders, 19 (1). pp. 143-155. ISSN 0162-3257 doi: https://doi.org/10.1007/BF02212726

Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 and Shapland, J. (1988) The code of practice: strengthening the legalist philosophy? International Journal of Law and Psychiatry, 11 (1). pp. 1-12.

Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (1985) An evaluation of the effects of a hospital unit on the development of multiply handicapped children. Child: Care, Health and Development, 11 (1). pp. 1-12. ISSN 0305-1862 doi: https://doi.org/10.1111/j.1365-2214.1985.tb00444.x

Shapland, J. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (1983) Legalism revived: new mental health legislation in England. International journal of law and psychiatry, 6 (3). pp. 351-369.

Shapland, J. and Williams, T. ORCID: https://orcid.org/0000-0003-0072-3316 (1983) Mental disorder and the law: effects of the new legislation. Issues in Criminological and Legal Psychology, 4. British Psychological Society, Leicester, pp68. ISBN 0901715220