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  1. Effective discrimination in mark schemes

    Anne Pinot de Moira

    Effective assessment is often measured in terms of mark re-mark reliability: the extent to which the same mark would be awarded to a candidate by two different examiners or, alternatively, by the same examiner on two different occasions....

  2. The effect of sample size on item parameter estimation for the partial credit model

    Qingping He and Christopher Wheadon

    Item Response Theory (IRT) models have been widely used to analyse test data and develop IRT-based tests. An important requirement in applying IRT models is the stability and accuracy of model parameters....