Self-Selected Sample
A sample is self-selected when the inclusion or exclusion of sampling units is determined by whether the units themselves agree or decline to participate in the sample, either explicitly or implicitly.
There are three main routes through which self-selection enters into a sampling design. The first is nearly ubiquitous, and the latter two are more preventable.
When survey units are chosen by surveyors, but these units nonetheless elect not to participate (also called refusal-related nonresponse), self-selection occurs. Nonresponse can occur in probability or nonprobability sampling designs. If many such units elect not to participate, the representativeness of the resultant observed sample can be called into serious question as it may result in nonnegligible nonresponse bias. Self-selection can occur at the ...
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Reader's Guide
Ethical Issues In Survey Research
Measurement - Interviewer
Measurement - Mode
Measurement - Questionnaire
Measurement - Respondent
Measurement - Miscellaneous
Nonresponse - Item-Level
Nonresponse - Outcome Codes And Rates
Nonresponse - Unit-Level
Operations - General
Operations - In-Person Surveys
Operations - Interviewer-Administered Surveys
Operations - Mall Surveys
Operations - Telephone Surveys
Political And Election Polling
Public Opinion
Sampling, Coverage, And Weighting
Survey Industry
Survey Statistics
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Research Methods
