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Debeer, Dries; Janssen, Rianne – Journal of Educational Measurement, 2013
Changing the order of items between alternate test forms to prevent copying and to enhance test security is a common practice in achievement testing. However, these changes in item order may affect item and test characteristics. Several procedures have been proposed for studying these item-order effects. The present study explores the use of…
Descriptors: Item Response Theory, Test Items, Test Format, Models