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Direct linkWollack, James A. – Applied Measurement in Education, 2006
Many of the currently available statistical indexes to detect answer copying lack sufficient power at small [alpha] levels or when the amount of copying is relatively small. Furthermore, there is no one index that is uniformly best. Depending on the type or amount of copying, certain indexes are better than others. The purpose of this article was…
Descriptors: Statistical Analysis, Item Analysis, Test Length, Sample Size
