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A study of the use of e-Assessment by Professional Bodies
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FreshMinds, commissioned by Pearson VUE, has undertaken a comprehensive study of the UK e-Assessment market, its size and dynamics with a particular focus on Professional Bodies and their use of computer-based testing (CBT). more... |
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Practice Effects and Program Features in Professional Regulatory Examinations
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This paper was presented at the annual American Educational Research Association Meeting, Chicago, Illinois, 2007.
This paper examines the notion that Candidates who retake examinations have been found to achieve higher scores. more... |
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Finding a Needle in a Haystack: Detecting Item Disclosure in Large-Scale Testing Programs
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This paper was presented at the annual American Educational Research Association Meeting, Chicago, Illinois, 2007.
This paper examines the threat that the Internet has over item discosure for large-scale high-stakes testing programmes, and the different types of methods which can be used to overcome these threats. more... |
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Optimizing Item Pool Characteristics to Control Item Exposure in a computerised Adaptive Test
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This paper was presented at the annual American Educational Research Association Meeting, Chicago, Illinois, 2007.
Item exposure rates are of major concern in the area of Computerised Adaptive Test (CAT). This paper examines the effects of item pool size and item difficulty distributions on exposure rates in order to achieve the best utilisation of items within a pool. more... |
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Investigating Displacement in the Winsteps Rasch Calibration Application
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This paper was presented at the annual American Educational Research Association Meeting, Chicago, Illinois, 2007.
The purpose of this study is to systematically investigate whether the displacement statistic, as calculated by the Winsteps Rasch calibration program (Linacre 2005), is reflective of actual item drift conditions or if it contains an element of statistical artifact. more... |