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教学离不开考试，考后总要进行试卷分析，分析试卷最常见的数据有难度值、区分度、平均分等。难度值就是试卷或试题的难易程度。试卷难度值等于平均分除以该卷满分值，论文式试题难度值等于该题平均分除以该题满分值，客观性试题难度值等于该题通过人数除以总人数。难度值在0－
Teaching is inseparable from the exam. After the exam, it is always necessary to conduct a test paper analysis. The most common data of the exam paper are the difficulty, differentiation, and average score. The difficulty level is the degree of difficulty of the test paper or test question. The difficulty score of the test paper is equal to the average score divided by the full value of the roll. The difficulty score of the essay question is equal to the average score of the question divided by the full question value of the question. The difficulty score of the objective question is equal to the number of people passing the question divided by the total number. Difficulty value is 0-