This model can objectively transform subject examinatorial grade into the knowledge grasp degree.Student mental character also can be analysed through it.It can mine more valid informations.

• 该模型能客观、准确地将学生平时科目测试成绩转化为对科目知识掌握程度的定性评价，并且能够对学生心理素质及发挥的稳定性进行分析，挖掘出更多有价值的信息。