The NFER blog

Evidence for excellence in education


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Validity and baseline assessment

By Marian Sainsbury, assessment expert, former Primary teacher, and NFER research associate

Much of the recent controversy about baseline assessment has centred on arguments about its validity. However, this term is widely used and abused with little attention to its real meaning – for example, the phrase ‘statistically invalid’ in a recent letter to the Guardian is literally meaningless. Continue reading