Point Biserial Correlation
Point Biserial Correlation measures the relationship between getting a single test question right or wrong and a student’s overall performance on...
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Articles related to Analyzing Local Assessments, Measuring STAAR Growth, and Comparing STAAR Assessments located under the OnTarget Tab in OnDataSuite
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Rasch Model (Simple)
The Rasch Model is a sophisticated way of analyzing test results that puts both student ability and question difficulty on the same... -
Question Difficulty (P-Value)
Question Difficulty and P-Value: How They Connect In educational assessment, there are actually two different meanings of “p-value” that you might encounter....
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