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目前民意调查主要采用抽样调查方法,会产生抽样误差和非抽样误差。从多次民意调查实践来看,非抽样误差对调查结果的影响可能超过抽样误差,成为制约调查数据准确性的主要因素。笔者认为应在民意调查各环节实施有效的预防和控制,减少非抽样误差的影响,防止调查结果偏差过大。本文讨论了民意调查中各环节对非抽样误差的控制方法。
At present, public opinion surveys mainly use sampling methods, which can produce sampling errors and non-sampling errors. According to the practice of many opinion surveys, the influence of non-sampling errors on the survey results may exceed the sampling error and become the main factor that restricts the accuracy of survey data. The author believes that all aspects of opinion polls should be implemented in effective prevention and control to reduce the impact of non-sampling errors to prevent bias in the survey results too large. This article discusses the control of non-sampling errors at various stages of opinion polls.