“项目鉴别指数”的概念、定义、翻译、参考文献-科学参考

单词	项目鉴别指数
释义	项目鉴别指数 Encyclopedia 理学【基本概念】释 item discrimination index项目鉴别指数高分组和低分组被试作答某题的得分率之差，是度量题目区分度的最简单指标之一，只能用于二级评分题目。又称鉴别度指数。
随便看	plane motion of rigid bodies plane moving mechanical parking system plane number plane of circular section plane of complex numbers plane of coordinates plane of emergence plane of human body plane of incidence plane of metro line plane of oscillation plane of perspectivity plane of polarization plane of projection plane of reference plane of reflection plane of refraction plane of section plane of similarity plane of support plane of symmetry plane of the sky plane-parallel atmosphere plane-parallel motion plane-parallel motion, laminar motion

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。