Dr Katrina Bayliss

Chartered Clinical Psychologist

Dr Bayliss

Dr Katrina Bayliss is an experienced Chartered Clinical Psychologist who specialises in cognitive and capacity assessments in criminal and family law.

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Dr Katrina Bayliss has been working in the field of mental health since 2007 and, since qualifying, and is specialised in the area of older adults in the NHS, specifically, mental health and neuropsychology/dementia. Dr Bayliss also has a background in intellectual difficulties and these combined interests have led to expertise in cognitive and capacity assessment. Dr Bayliss works privately with children, adolescents and parents covering the full range of issues pertinent to mental health, social, behavioural and parenting difficulties. Her broad experience enables Dr Bayliss to provide the full range of assessments in family and criminal law.

Dr Bayliss’ area of expertise are – Child and Adolescent Mental Health, Adult and Older Adult Mental Health, Neuropsychological assessment and intellectual disabilities and Mental Heath.

Experience of giving evidence

Dr Bayliss has prepared over 100 reports for both family and criminal proceedings. Dr Bayliss has also provided evidence in court.

Specialist assessments offered

  • Wechsler Adult Intelligence Scale (WAIS-IV) to measure cognitive ability in adults.
  • The Wechsler Intelligence Scale for Children (WISC) to measure cognitive ability in children.
  • Wide Range Achievement Test 5 (WRAT-5) to assess and monitor the reading, spelling, and maths skills in ages 5-85+
  • ADHD adult assessment


Bayliss, K.M. (2018). Confirmatory Factor Analysis and further validation of the Comprehensive assessment of Acceptance and Commitment Therapy processes (CompACT). In Press. University of Nottingham.

Holmes, K. M., & O’Loughlin, N. (2014). The experiences of people with learning disabilities on social networking sites. British Journal of Learning Disabilities, 42(1), 1-5.

Holmes, K.M. (2013). Psychological Interventions for Parkinson’s Disease: A Literature Review. Presented at XX World Congress for Parkinson’s Disease and Related Disorders, Geneva, Switzerland.


Dr Bayliss works both online and in person. She can typically offer an appointment within 2 weeks.

Qualifications and memberships


2014-2018 – University of Nottingham – Doctorate in Clinical Psychology

2010-2013 – Open University – MSc Psychological Research Methods

2003-2006 – Northumbria University – BSc (Hons) Psychology


HCPC Registered

BPS Chartership

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