Perturbation Methods
Perturbation methods are procedures that are applied to data sets in order to protect the confidentiality of survey respondents. The goal of statistical disclosure control (SDC) is to provide accurate and useful data— especially public use data files—while also protecting confidentiality. Various methods have been suggested, and these may be classified two ways: (1) methods that do not alter the original data but reduce the amount of data released; and (2) methods that alter individual values while maintaining the reported level of detail. The first set of methods may be described as data coarsening; the second set of methods may be described as statistical perturbation methods.
Perturbation methods have the advantage of maintaining more of the actual data collected by survey respondents than data coarsening. Variables ...
Looks like you do not have access to this content.
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
- All
- A
- B
- C
- D
- E
- F
- G
- H
- I
- J
- K
- L
- M
- N
- O
- P
- Q
- R
- S
- T
- U
- V
- W
- X
- Y
- Z