数学科考试质量评价（续完）国家教委考试中心任子朝（续上期）３信度信度是指使用同一试卷对考生重复测验时，或两个平行试卷对考生测验时所得测验分数的一致性和稳定性程度．由于测量误差的存在，考生分数Ｘ包含着误差Ｅｓ在测量理论中，把任何一个测验成绩都看成是真分... Quality Evaluation of Mathematics Examinations (Continued) National Education Commission Examination Center Ren Zichao (Continued from the previous issue) 3 Reliability is the consistency of the test scores obtained when candidates repeat the test using the same test paper, or when two parallel test papers test the candidate. The degree of stability. Due to the presence of measurement errors, the candidate’s score X contains the error Es in the measurement theory, and any test score is considered as a true score...