Wednesday, April 20, 2016

Multiple-Choice Rosetta Stone

The process of setting standardized test scores in the past has been as much politics and money as it has been effective assessment for student, teacher and test development. Power Up Plus contained features that managed cheating as well as compared classroom designed tests with Item response theory (IRT) tests used by state departments of education (where cheating could be as common as in the classroom).

A number of these features were of interest in auditing the Rasch IRT model that took a very liberal view of student mark data. It provided the basis for several states to obtain amazing annual yearly improvement results. 

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