Unit
Sampling, variance, analysis, reporting, and dissemination units cover most of the unit types of interest in survey methodology. Sampling units can be primary, secondary, tertiary, and beyond—also known as first-stage, second-stage, and so on. These refer to a hierarchy of smaller and smaller geographic or organizational structures that have been exploited in the sample design to improve efficiency. In face-to-face surveys of the general population, the stages are typically county (or count group), block (or cluster of neighboring blocks), housing unit (or other quarters), and person. In student surveys, the stages are typically school district, school, classroom, and student. In random-digit dialing surveys, the stages are typically just household and person, although sometimes a 100-bank is also a stage.
Variance units are often the same ...
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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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