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为了解城乡居民卫生知识掌握情况,各地疾病预防控制机构经常向城乡居民进行卫生问卷调查。为保证调查质量,除问卷调查时严格按照规定的要求进行外,在对问卷结果的处理时要求用双录入法,以避免1次数据录入时可能存在的错误。但这种双录入方法存在一个明显缺陷,就是当2次数据录入后结果存在
To understand the health knowledge of urban and rural residents to grasp the situation, disease prevention and control agencies around the urban and rural residents often carry out health questionnaire. In order to ensure the quality of the investigation, except for conducting the questionnaire in strict accordance with the stipulated requirements, the double entry method is required to deal with the questionnaire results so as to avoid possible mistakes during the data entry. However, there is an obvious flaw in this double entry method, that is, when the result of two data entry is present