item response theory

基本解释

Item response theory is considered as one of the best hypothesis to detect the DIF compared with the classical measurement theory.
与经典测量理论相比，在测查项目功能差异时，运用项目反应理论有较强的前提假设和优越性。
The test information is an important concept in the Item Response Theory. It could be used to predict and evaluate the quality of one test.
测验信息量是项目反应理论中的一个重要概念，它可以用来预测和评价一个测验的误差大小。
The results indicated that in knowledge tests classical measurement theory is obviously disadvantageous, but item response theory is advantageous and has its broad prospect in application.
结果表明，在理论测验中，经典测量理论有明显不足之处，而项目反应理论则具有明显的优越性和广阔的应用前景。