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....
How to interpret P-Values Definition (Assessment Context): p-value = proportion of students who answered the item correctly. It ranges from 0 to 1: A low p-value (close to...