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Grade (un)reliability - the full story
Over the last few weeks, I've been working on a document that tells the full story about grade (un)reliability, including * why grade...
Visualising grade (un)reliability
On 27th November 2018, Ofqual published some important measures of the reliability of GCSE and A level examinations in 14 subjects -...
No, Pearson. 99.2% of your grades were not accurate
For many months now, the website of Pearson, the owners of the edexcel examination board, has been boasting that “99.2% of our grades...
Biting the poisoned cherry - why the appeals process for school exams is so unfair
In principle, the exam appeals process should right inadvertent wrongs; in practice, the process is deeply unfair, as is the process by...
Teachers behaving badly!
UK newspapers have recently reported two instances of "teachers behaving badly": the "leakage" of examination questions by examiners who...
How reliable are GCSE and A level grades?
Over the last several years, Ofqual, the regulator of school examinations in England and Wales, has been conducting an extensive research...
How to make GCSE and A level grades reliable
Grade misallocations real... ​ ​My blog How reliable are GCSE and A level grades? featured a chart, published by the exam regulator...
Why reducing emissions is a good thing to do, but not the right thing to do
Reducing emissions can never solve the problem of rising global temperatures. The only way to achieve this is by the direct extraction of CO
Are regulators doing the wrong thing?
Many recipients of a service - such as elderly care - can't judge whether the service provision is good or bad. And even if they can, th
A fairy tale for our times
A parable in which a young doctor, whose only wish is to look after her patients, is under pressure to run a financial budget too...
