Dyslexia Delphi Study has now been finalised and published

After a period of peer review, the draft Dyslexia Delphi Study papers released last year, have now been finalised. The researchers have undertaken some minor changes and the completed papers have now been published in the Journal of Child Psychology and Psychiatry and the Dyslexia Journal.

1. Carroll, J.M., Holden, C., Kirby, P., Thompson, P.A., Snowling, M.J. and (2025), Toward a consensus on dyslexia: findings from a Delphi study. J Child Psychol Psychiatr. https://doi.org/10.1111/jcpp.14123
   
2. Holden, C., Kirby, P., Snowling, M.J., Thompson, P.A. and Carroll, J.M. (2025), Towards a Consensus for Dyslexia Practice: Findings of a Delphi Study on Assessment and Identification. Dyslexia, 31: e1800. https://doi.org/10.1002/dys.1800

The Dyslexia Delphi Study aimed to establish ‘areas of consensus among a wide range of experts’ and to reduce ‘confusion and misinformation’ about how dyslexia should be defined. The BDA are happy to adopt the definition of dyslexia given within these papers and this will be reflected within our resources over time.

It is important to note that the definition identifies the same or similar underlying cognitive indicators of dyslexia, alongside recognition of its impact on individuals. For this reason, there is no suggestion that anyone diagnosed under the previous definition would not continue to meet the criteria for a diagnosis.