[Rasch] Secondary to: Test equating using TCCs and Item anchor files

Imogene Rothnie irothnie at usyd.edu.au
Wed Aug 3 13:49:39 EST 2011


PS : further to my last email what procedures are commonly used for
testing the SIGNIFICANCE of difference in test difficulties and student
performance combined over two linked tests with different student
cohorts.

Thanks

Imogene

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