The report is the first systematic evaluation of the sentence equivalence item type introduced by the "GRE"® revised General Test. We adopt a validity framework to guide our investigation based on Kane's approach to validation whereby a hierarchy of inferences that should be documented to support score meaning and interpretation is…

Previous research on differences in the reliability, validity, and difficulty of essay tests given under different timing conditions has indicated that giving examinees more time to complete an essay may raise their scores to a certain extent, but does not change the meaning of those scores, or the rank ordering of students. There is no evidence…

We describe the item modeling development and evaluation process as applied to a quantitative assessment with high-stakes outcomes. In addition to expediting the item-creation process, a model-based approach may reduce pretesting costs, if the difficulty and discrimination of model-generated items may be predicted to a predefined level of…