What is it about?
Using this free app, you can freely examine the reliability of a test and each question using Classical Test Theory (CTT) and Rasch analysis. The tool can also assess test bias, perform fancy equating, and check for consistency between raters.
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Why is it important?
As test developers and educational institutions, we have the responsibility to ensure that our tests are designed well. Using this app, you can engage in continual improvement of the test development process.
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This page is a summary of: autopsych: An R Shiny tool for the reproducible Rasch analysis, differential item functioning, equating, and examination of group effects, PLoS ONE, October 2021, PLOS, DOI: 10.1371/journal.pone.0257682.
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