Dr Chris Wheadon is a psychometrician, and the founder of No MoreMarking Ltd, which seeks through the website nomoremarking.com to popularise the use of Comparative Judgement approaches in Assessment. His specialist area is Item Response Theory which he explored through his PhD, ’An Item Response Theory Approach to the Maintenance of Standards in Public Examinations in England.’

Over the years Chris has worked as a senior advisor on many projects of national significance in England for the examinations regulator in England, Ofqual, including the design of the National Reference Test and the re-design of GCSE Maths.

Prior to this he was the senior psychometrician at the examination board AQA. Chris is a visiting lecturer in psychometrics at Oxford University.