英语词汇item discrimination index怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	item discrimination index
释义	item discrimination index 简明释义试题鉴别指数网络释义 1 ?试题鉴别指数 ... item discrimination 项目辨别度 item discrimination index 试题鉴别指数 item moderation 试题调整 ... 2 ?指数，项目鉴别指数（item discrimination index）项目区分度指标。当效标测量为连续变量时，分布在两端的高分组（H）和低分组（L）在每个项目卜的通过率之差。
随便看	half girth half-glass door half glass door half glasses half-glasses half-glazed door half glazed partition half-god halfgod half gone half goods half-graben half graben half-grabens half graphite brick half green half green half-greens half-groat half gross half groupoid half-grown half-halt half-halts half-hard

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。