mirtverse: R环境中的AI就绪项目反应理论

Item response theory (IRT) is the statistical foundation of most modern tests: It links the responses people give to test items with the latent trait the test is meant to measure, and it underpins item banking, test assembly, computerized adaptive testing, score linking and fairness analyses (de Ayala, 2022; Embretson & Reise, 2000; Lord, 1980). The R environment (R Core Team, 2026) offers many IRT packages, and among them mirt (Chalmers, 2012) stands out for the breadth of models and estimation methods it supports. Its power comes with a cost, however: Choosing, checking, interpreting and rep