Bias
Bias is a constant, systematic form or source of error, as opposed to variance, which is random, variable error. The nature and the extent of bias in survey measures is one of the most daunting problems that survey researchers face. How to quantify the presence of bias and how to reduce its occurrence are ever-present challenges in survey research. Bias can exist in myriad ways in survey statistics. In some cases its effect is so small as to render it ignorable. In other cases it is nonignorable and it can, and does, render survey statistics wholly invalid.
Survey researchers often rely upon estimates of population statistics of interest derived from sampling the relevant population and gathering data from that sample. To the extent the sample ...
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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
