Shermis, a professor at the University of Akron in Ohio, supervised the Hewlett Foundation's contest on automated essay scoring and wrote a paper about the experiment.
This paper analyses the meaning of the concepts in IRT such as information, item information function, scoring information function and their relations.
本文分析了信息函数、项目信息函数、评分信息函数等IRT中的重要概念的意义及其之间的联系。
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After a study of the scoring of three types of oral test items, we have explored in this paper the question of how to make the scoring objective.