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Welcome to the website of Dr. Hilary Dyer FRSA

Independent Assessments

Independent assessments of children and young people with special educational needs (3-16) Assessments »

PDA Assessments & Diagnoses

Assessments and diagnoses of Pathological Demand Avoidance Syndrome (PDA)

PDA Assessments »

PDA Training for Schools

Pathological Demand Avoidance Syndrome (PDA) training, advice and support for schools

PDA Training »

Dr Hilary Dyer

Dr Hilary Dyer

Dr Hilary Dyer

Dr Hilary Dyer AFBPsS FRSA is a Specialist Consultant Educational Psychologist in Independent Practice. Based near Lichfield in Staffordshire, Dr Dyer travels to a youngster’s home and school to conduct assessments.

Dr Dyer is an acknowledged specialist in Pathological Demand Avoidance Syndrome. She assesses and diagnoses children and young people from 4 to 16 years who may be presenting with this condition. Her PDA assessments, diagnoses and reports have been very favourably evaluated by SEND Tribunal Judges, Paediatricians, and parents alike. Read recent testimonials here

Dr Dyer is also commissioned to conduct PDA assessments and diagnoses by Clinical Commissioning Groups in the NHS and by Local Authorities who require her acknowledged expertise in Pathological Demand Avoidance Syndrome.

Please note that Dr Dyer does not diagnose Autism Spectrum Disorders. Dr Dyer does not assess adults over 16.

Over 80% of her work is related to appeals by parents to the SEND Tribunal. She is an Expert Witness, trained by the Royal Society of Medicine, and provides medico-legal reports for Appeals and Hearings. Her reports have been favourably commended by the SEND Tribunal Judiciary. Read recent testimonials here.

Dr Hilary Dyer

Registered with the Health and Care Professions Council

Dr. Dyer has over 35 years’ experience in the field of Special Educational Needs; the last 15 as an Independent Educational Psychologist. Prior to this she was a University Lecturer in SEN for 10 years, and spent 10 years as a teacher in Special Education.

Hilary’s qualifications include a Professional Doctorate in Developmental and Educational Psychology (2001), a Masters in SEN, and a PCGE with Distinction.

Dr. Dyer is registered with the Health and Care Professions Council (HCPC) as an Educational Psychologist. She is also an Associate Fellow of the British Psychological Society.

Dr. Dyer’s work is underpinned and informed by high quality evidence based research. She is currently writing a book following her research with parents of children with Pathological Demand Avoidance Syndrome. Follow the progress of the book writing in the News section of the website.

PDFDr. Dyer’s CV contains more detailed information about her areas of knowledge, skills, expertise and experience.

Download a copy here or by clicking the PDF icon to the left.


‘Dear Hilary,

Happy New Year to you!

We all wanted to convey our heart-felt thanks to you for your unwavering help and support with I.

After 10 months of ‘negotiation’ etc with the LA, they agreed (after mediation) to a PB and EOTAS status.  We have settled on £6,780 to support us through to July. This will secure OT, SALT, Clinical Psychology and a day at (local care farm).

Please know that you have been instrumental in this result and we are so grateful.

Thank you!’

W,T, I & F, January 2018 

‘I’m so glad the change in Oscar is apparent. It was just a delight to watch your interactions with him.

The main things I noticed when we were in the Astra were:

  • You used no negatives – no, don’t, can’t etc.
  • Every sentence was formulated as a query when you discussed leaving the car.
  • You sounded calm and relaxed through the whole conversation
  • You explained rather than just stating

I have honestly never seen anyone interact with him in that way and I have since attempted to be much more considered in my approach. It was truly fascinating and I think I learnt more about PDA friendly interactions in those 15 mins than I ever have reading.’

Jude,  mother of Oscar Dec 2018

Reader note by Dr Hilary Dyer: I first diagnosed Oscar with PDA in February 2017.  Since then his parents have fought for and secured a Personal Budget, a bespoke curriculum for him, and EOTAS recorded on his EHCP at Section I.   I re-assessed him in late November 2018 and couldn’t believe the difference in this little boy, and the improvements were extraordinary !

Hi Hilary,

I’m really, really happy with the report Hilary. Thank you so much! I will read through it all again when the boys give me a chance but I’m really pleased with it and very grateful for all of your hard work on this.

Thank you so much for all of your help and support Hilary.

K, mum of C (September 2018)