%0 Journal Article
%T Information of IRT Multilevel Item
项目反应理论框架下多级评分项目的信息函数
%A Du Wenjiu
%A
杜文久
%J 心理学报
%D 2006
%I
%X The objective was to give out calculate formula of multilevel item information function,and give some examples of multilevel item information.Results was: 1) at first discuss the sample sky of the test item by a example;2) give out the probability function and information function of multilevel item;3) discuss the application of multilevel item information function in practice by a few examples.
%K IRT
信息函数
%K 多级评分项目
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=C94E3F05CFD5644C9DAA97BEB9148D4784B6B22E64D84F4E&jid=1EE72F392B87F45015B3CA6D9A7AFA6F&aid=6A3217C638F491FC&yid=37904DC365DD7266&vid=16D8618C6164A3ED&iid=CA4FD0336C81A37A&sid=5E25104E99903E8A&eid=3986B25773CB6C30&journal_id=0439-755X&journal_name=心理学报&referenced_num=0&reference_num=5