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The Care and Feeding of Innovative Items |
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This paper was presented at the Annual Meeting of the National Council on Measurement in Education, Denver, Colorado, 2010.
This paper examines practical considerations for new and existing programs that are beginning to use innovative items.
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Finding Stolen Items and Improving Item Banks |
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This paper was presented at the Annual Meeting of the American Educational Research Association, San Diego, California, 2009.
This paper presents initial research into the use of methods for identification of stolen items, classification and referencing, and the identification of enemy and duplicate items. |
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Automated Test Assembly Heuristics: Algorithms for the Rest of Us |
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This paper was presented at the Annual Meeting of the National Council on Measurement in Education, San Diego, California, 2009
This paper examines the operational side of automated test assembly, with particular attention paid to characteristics of smaller programs.
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Variable Pass Rates Resulting from Equating Short Tests |
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This paper was presented at the Annual Meeting of the American Educational Research Association, San Diego, California, 2009.
This paper examines the factors that can affect pass rates on equated forms using simulated data.
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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... |