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Peer reviewedBennett, Randy Elliot; And Others – Applied Psychological Measurement, 1991
Convergent validity of expert-systems scores for 4 complex constructed-response mathematical formats was assessed for 249 examinees from the Graduate Record Examinations (GRE) General Test in June 1989. The hypothesized five-factor model fit the data well, but an alternative with two dimensions (GRE-quantitative and constructed-response)…
Descriptors: College Entrance Examinations, Constructed Response, Educational Assessment, Expert Systems
Download full textGraf, Edith Aurora; Peterson, Stephen; Steffen, Manfred; Lawless, René – ETS Research Report Series, 2005
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…
Descriptors: Psychometrics, Accuracy, Item Analysis, High Stakes Tests
