【摘要】 根据统计学原理和机器学习思想,提出试题库试题难度系数多级精确划分,并根据学生答题的正确率自适应调整的设想,同时给出相应的算法和程序实现。更多还原

【Abstract】 According to statistics principle and machine learning thought,the multistage precise divisions in the test questions difficulty coefficient is presented.The difficulty coefficient of test questions can be auto-adjusted according to the accuracy of students’ answers.Simultaneously the paper gives corresponding algorithm and procedure realization.更多还原