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R. Kirk Steinhorst · C. Randall Byers·刊期 1989-01 · 卷 7(1)·Journal of Business & Economic Statistics已编入正刊
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对 Freedman 无应答案例研究的另一种解释
Further analysis of the response–nonresponse data presented by Freedman (1986) shows evidence of a nonresponse bias. Covariates can be useful in comparing respondents with nonrespondents; however, we argue that they were not effective in this case. Follow-up sampling would provide stronger evidence concerning the similarity of the two groups.