- Entry
- Reader's guide
- Entries A-Z
- Subject index
Replacement
Replacement is a term used in two different contexts in surveys. With-replacement sampling refers to methods of sampling in which the unit selected in a particular draw is returned to the finite population and can be selected in other draws. The other context refers to the substitution (replacement) of a sampled unit with another unit as a result of difficulties in contacting or obtaining cooperation. The entry discusses both with-replacement sampling and replacement substitution.
With-Replacement Sampling
One approach to selecting an equal probability sample of n units from a finite population of N units is to draw one unit randomly from the,/V and then independently draw subsequent units until all n are selected. If the selected unit can be sampled more than once, then the method is ...
- Loading...
