When using IRT models in Educational Achievement Testing, the model is as a rule too simple to catch all the relevant dimensions in the test. It is argued that a simple model may nevertheless be useful but that it can be complemented with additional analyses. Such an analysis, called profile analysis, is proposed and applied to the reading data of…

Even as the Internet and i-devices have changed so many parts of people's lives, educational testing has not changed substantially in decades. Though researchers and educators have for years raised ample concerns about existing tests, assessments have barely evolved. Further, despite years of expanded testing and greater school accountability,…