In survey research, the design effect is a number that shows how well a sample of people may represent a larger group of people for a specific measure of interest (such as the mean). This is important when the sample comes from a sampling method that differs from simply picking people using a simple random sample.
In survey research, the design effect is a number that shows how well a sample of people may represent a larger group of people for a specific measure of interest (such as the mean). This is important when the sample comes from a sampling method that differs from simply picking people using a simple random sample.
Source: Wikipedia "Design effect" · CC BY-SA 4.0
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