Introduction to Item Response Theory (IRT)

This brief note gives a primer on Item Response Theory score analysis which is a form of logistic regression. It relates to 2 published papers:

Brown, G. T. L., & Abdulnabi, H. (2017). Evaluating the quality of higher education instructor-constructed multiple-choice tests: Impact on student grades. Frontiers in Education, 2(24). https://doi.org/10.3389/feduc.2017.00024 

Brown, G. T. L., Denny, P., San Jose, D. L., & Li, E. (2021). Setting standards with multiple-choice tests: A preliminary intended-user evaluation of SmartStandardSet. Frontiers in Education, 6(735088). https://doi.org/10.3389/feduc.2021.735088