运用Rasch模型分析生物学作业与教学目标的相符性

Rasch模型作为客观等距量尺的测量工具，用来测量现行的课程作业与教学目标的相符性具有较好的适切性．选取现行课程标准生物学的一个课时内容，将浙江省配套的生物学作业与教学目标进行比对，通过Rasch模型测量生物学作业与教学目标相符性的关系，为教育决策者及命题者提供一种判断作业题目难度恰当与否的方式．

Analysis on the Conformance of Biological Coursework and Instructional Objectives by Rasch Model

As a tool of objective isometric measuring scale, Rasch model is applicable to measuring the conformance of the current coursework and instructional objectives. This paper is to select the content of a class in the current standard biology course and compare the biology coursework in Zhejiang province with the instructional objectives. Through measuring the conformance of the biology coursework and instructional objectives based on Rasch model, it can provide educational policy makers and quiz setters with a way to weighing whether the difficulty level of the coursework is appropriate or not.