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The Effect of Nonignorable Missing Data in Computerized Adaptive Test on Item Fit Statistics for Polytomous Item Response Models

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Paper presented at the annual meeting of the National Council on Measurement in Education By Shudong Want, Hong Jiao and Yun Xiang

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Construct Validity and Measurement Invariance of Computerized Adaptive Testing: Application to Measures of Academic Progress (MAP) Using Confirmatory Factor Analysis

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There are many challenges to providing validity evidence for CAT tests because of its uniqueness compared to fixed form tests. This study, using real data, provides empirical evidence of construct...

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Westfield – Instituting Program Level Change

Indiana

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The Westfield-Washington Schools is located above the state capitol in Hamilton County, Indiana. This largely affluent and high-performing community has a K-12 population of 6,100, with six elementary (K-4) schools...

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An Investigation of Instructional Effects on Student Growth in Mathematics with Repeated Measures Using Computerized-Adaptive Tests

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This paper was presented at the 2012 National Council on Measurement in Education (NCME) Annual Conference. By Liru Zhang and Shudong Wang

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