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Morris, Tim T.; Davies, Neil M.; Dorling, Danny; Richmond, Rebecca C.; Smith, George Davey – British Educational Research Journal, 2018
Value-added measures of educational progress have been used by education researchers and policy-makers to assess the performance of teachers and schools, contributing to performance-related pay and position in school league tables. They are designed to control for all underlying differences between pupils and should therefore provide unbiased…
Descriptors: Validity, Value Added Models, Genetics, Foreign Countries