Attrition in survey research corresponds most closely to which of the following problems in the use of unobtrusive measures (physical traces,archival records)?

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Attrition in survey research refers to the loss of participants or dropouts from a study over time. This is similar to the problem of selective survival in unobtrusive measures, where certain physical traces or archival records may have survived or been preserved while others have not. Both attrition and selective survival can lead to biased or incomplete results in research.

Attrition in Survey Research Corresponds Most Closely to Which of the Following