Long-standing concerns within the field of educational assessment consider the impact of assessment policy and practice as matters of equity, inequality and social justice. Yet educational assessment policy and practice continues to have powerful social consequences for key users such as children and young people. This paper re-positions these…

Reviews the approaches that have been used to detect cultural, content, predictive, and selection bias in mental tests. Argues that questions of bias are fundamentally questions of validity. Concludes that although much has been learned about the technical details of test bias, social policy questions remain to be resolved. (Author/GC)