It's the bell curve, stupid!
Like an ultimate fact without any cause, the individual outcome of a measurement is, however, in general not comprehended by laws. This must necessarily be the case. Wolfgang Pauli A month or so back I met Professor Steve Higgins from Durham University's Centre for Evaluation and Monitoring. He presented at researchED's primary literacy conference in Leeds and what he had to say was revelatory. His talk was on the temptations and tension inherent in the EEF's Pupil Premium Toolkit. As most readers will know, the toolkit is a bit of a blunt instrument and presents interventions in terms of how many [...]