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Direct linkMoses, Tim – Journal of Educational Measurement, 2013
The purpose of this study was to evaluate the use of adjoined and piecewise linear approximations (APLAs) of raw equipercentile equating functions as a postsmoothing equating method. APLAs are less familiar than other postsmoothing equating methods (i.e., cubic splines), but their use has been described in historical equating practices of…
Descriptors: Equated Scores, Accuracy, Simulation, Comparative Analysis
Download full textKim, Sooyeon; Moses, Tim – ETS Research Report Series, 2014
The purpose of this study was to investigate the potential impact of misrouting under a 2-stage multistage test (MST) design, which includes 1 routing and 3 second-stage modules. Simulations were used to create a situation in which a large group of examinees took each of the 3 possible MST paths (high, middle, and low). We compared differences in…
Descriptors: Comparative Analysis, Difficulty Level, Scores, Test Wiseness
