Titlebook: Statistical Models for Test Equating, Scaling, and Linking; Alina A. Davier Book 2011 Springer Science+Business Media, LLC 2011 Measuremen

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Statistical Models for Vertical Linkingtical scales that are developmental in nature, encompassing two or more grades in schools. Separate tests designed to measure achievement on the same dimension at each grade level are linked through various procedures to enable the measurement of growth across the levels. Formal equating, having the

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An Empirical Example of Change Analysis by Linking Longitudinal Item Response Data From Multiple Tesf measurements but presume to measure the same underlying construct. Lord (1955a,1955b) provided one of the first examples of this kind where one test (.) was administered to 1,200 people, while two other tests (.. & ..) were each only administered to a different half of the group. The resulting dat

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How to Average Equating Functions, If You Mustf (1971) mentioned situations with multiple estimates of the same linear equating function for which averaging the different estimates may be appropriate. In the nonequivalent groups with anchor test (NEAT) equating design, several possible linear and nonlinear equating methods are available. These

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An Alternative Continuization Method: The Continuized Log-Linear Method, (c) continuization, (d) equating, and (e) calculating the standard error of equating. In this framework, the presmoothing step is usually done with log-linear smoothing. Step 2 is to transform smoothed distribution into two marginal distributions for the target population (sometimes called synthet