Factors affecting the variability of IRT equating coefficients

Michela Battauz

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Factors affecting the variability of IRT equating coefficients

机译：影响IRT等效系数变异性的因素

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Knowing the effect of the factors that can influence the variability of the equating coefficients is an important tool for the development of the linkage plans. This paper explores the effect of various factors on the variability of item response theory equating coefficients. The factors studied are the sample size, the number of common items, the length of the chain, and the possibility of averaging the equating transformations related to different paths that connect the same two forms. Both asymptotic and simulations results are provided.

机译：知道可能影响等式系数变异性的因素的影响是开发链接计划的重要工具。本文探讨了各种因素对项目响应理论等价系数变异性的影响。研究的因素是样本大小，共有项目的数量，链的长度以及平均化与连接相同两种形式的不同路径相关的等价转换的可能性。提供了渐近和仿真结果。

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《Statistica neerlandica》 |2015年第2期|1-17|共17页
作者
Michela Battauz;
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作者单位

Department of Economics and Statistics University of Udine Udine Italy;

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原文格式 PDF
正文语种 eng
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关键词
accuracy; bisector; double linking; equating; multiple linking; Rasch; standard errors;

机译：精度;平分线;双链接;等式;多链接;Rasch;标准误;

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1. Approximating Bifactor IRT True-Score Equating With a Projective Item Response Model [J] . Applied Psychological Measurement . 2020,第3期

机译：用投影项目响应模型近似双移位器IRT真谱等式
2. Bi-Factor MIRT Observed-Score Equating for Mixed-Format Tests [J] . Lee Guemin, Lee Won-Chan Applied Measurement in Education . 2016,第3期

机译：混合格式测试的双向MIRT观察分数相等
3. A Comparison of IRT Observed Score Kernel Equating and Several Equating Methods [J] . Shaojie Wang, Minqiang Zhang, Sen You Frontiers in Psychology . 2020,第a期

机译：IRT观察评分核等式的比较和几种等式方法
4. Approximating polynomial step response by equating characteristic equation coefficients [C] . Author(s): Eugene J. Kreda Litton Itek Optical Systems Lexington MA USA. Active and Adaptive Optical Components . 1991

机译：通过使特征方程系数相等来逼近多项式阶跃响应
5. Spatial variability of travel time coefficients in travel demand models and its implication for transportation equilibrium [D] . Jung, Sungyong 1991

机译：出行需求模型中出行时间系数的空间变异性及其对运输平衡的启示
6. Approximating Bifactor IRT True-Score Equating With a Projective Item Response Model [O] . Kyung Yong Kim, Uk Hyun Cho 2020

机译：用投影项目响应模型近似双移位器IRT真实分数等式
7. A supplementary note on the joint maximum likelihood estimation of the IRT equating coefficients and abilities for the common-examinee design. [O] . Ogasawara Haruhiko, 小笠原春彦 2001

机译：关于IRT等于系数和共同考生设计能力的联合最大似然估计的补充说明。

Factors affecting the variability of IRT equating coefficients

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