Item Response theory (IRT), as the base of CAT, is a theory of measurement based on mathematical model.
项目反应理论是CAT的基础，项目反应理论是一种建立在某种数学模型基础上的测量理论。
True score theory and item response theory are the two great theoretical patterns of psychological test.
真分数理论和项目反应理论是心理测验的两大理论模式。
Yu J Y. Item Response Theory Application (in Chinese). Nanjing: Jiangshu Education Publishing House, 1992
余嘉元。项目反应理论及其应用。南京：江苏教育出版社，1992。
Based on the item response theory, computerized adaptive testing (CAT) is the product of the needs of The Times.
基于项目反应理论的计算机化自适应考试(CAT)就是符合时代需要的产物。
The workshop will start with a review of item response theory, both parametric and non-parametric approaches will be introduced.
课程将从项目反应理论开始，并介绍相关的参数方法和非参数方法。
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。
IRT true score equating and IRT observed score equating in common-item non-equivalent group design based on the item response theory were compared.
研究采用锚测验非等组设计，对IRT真分数等值和IRT观察分数等值两种方法进行了比较研究。
Item response theory (IRT) and cognitive psychology are two different research areas. It can offer more item information if we combine them together.
项目反应理论和认知心理学是两个不同的研究领域，把它们结合起来可以得到更多的题目信息。
This paper is divided into three chapters, the content is as follows: chapter I simply introduces the model of the item response theory and some useful methods of parameter estimation.
本论文共分三章，主要内容安排如下：第一章简单介绍了项目反应理论模型和几种常见的参数估计的方法。
To solve those problems listed above, it's usually necessary to design and apply the Item Response Theory based Computerized Adaptive testing based on the actual testing project itself.
要解决这些难点，往往要与实际应用的项目的具体情况相结合，选择适合项目本身的设计与实现。
The effective factors of computer lesson test paper's quality are analyzed based on the Item Response Theory and a evaluation model for the quality of lesson's test paper is established.
本文在试卷（项目）反应理论论点的基础上，剖析影响计算机基础课程试卷质量的因素，建立试卷质量评价指标模型。
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。
Available studies show that the "item response theory" -inspired CAT (computerized adaptive test) enjoys advantages such as greater accuracy and higher efficiency over other methods of testing.
理论研究表明基于题目反应理论的自适应测试具有准确、高效的特点。
Item Response Theory takes the hypothesis that every test item has its own features such as difficulty, discrimination and others, which are not related to the sample and neither to other items.
条目反应理论认为，每个测验条目有其自身固有的特征，比如难度、区分度等，这些特征与样本无关，也与其它条目无关。
The paper gives a brief introduction to these three theories: classical test theory, generalizability theory and item response theory, and discusses in detail their different views of reliability.
本文分别对这三种理论即经典测验理论、可概括性理论和项目反应理论作了简要介绍，着重分析这三种理论的信度观。
The paper gives a brief introduction to these three theories: classical test theory, generalizability theory and item response theory, and discusses in detail their different views of reliability.
本文分别对这三种理论即经典测验理论、可概括性理论和项目反应理论作了简要介绍，着重分析这三种理论的信度观。
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