Information on differences between respondents and nonrespondents may be obtained from the sample itself,or it may be possible to estimate the differences from other sources.

Question

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Information on the differences between respondents and nonrespondents can be obtained from the sample itself, such as demographic characteristics or response patterns. Additionally, it may be possible to estimate differences through other sources such as administrative records or external data sources.

Information on Differences Between Respondents and Nonrespondents May Be Obtained