基于分层三阶段抽样方法的大学生考试作弊次数调查与分析

The survey and analysis of the number of undergraduates' exam cheating based on stratified three-stage sampling method

针对大学生考试作弊的问题,对安徽省某地区某院校大学生的考试作弊次数进行了抽样调查分析.为提高正确应答率和保护被调查者的隐私,使用随机应答技术(RRT)分层三阶段抽样方法和数量特征敏感问题乘法模型.根据Cochran抽样理论,结合概率论与数理统计知识得出,该校学生在30科的考试中学生平均作弊次数为12次.由此得知,治理考试舞弊、严肃考风考纪已成为高校教学的当务之急.

Aim at the problem of the cheat in the examination of undergraduates,the number of exam cheating of undergraduates＇ in the Anhui province local normal colleges and universities is sampled and analyzed.To improve the correct response rate and protect the privacy of respondents,applying randomized response technique（RRT）stratified three-stage sampling method and quantitative characteristic sensitive multiplication model.According to the sampling theory of Cochran,combine with Probability and Mathematical Statistics,show that,the average number of exam cheating of undergraduates is 12 in 30examination subjects.So,controlling cheating in the examination and solemnizing exam discipline have become urgent affairs.