Why Are Techniques Like Cluster Sampling and Multistage Sampling Just

question 31

Multiple Choice

Why are techniques like cluster sampling and multistage sampling just as externally valid as simple random sampling?

• A)They all contain elements of random selection.
• B)They all measure every member of the population of interest.
• C)They all use lists of all population members.
• D)They all rely on large samples.

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