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Nady [450]
3 years ago
15

A researcher is conducting an experiment to see if the consumption of espresso vs. coffee increases heart rate in females living

in NYC. The researcher separates the females by borough and then selects females living only in Brooklyn to be in the study. What type of sampling procedure is this?
Social Studies
1 answer:
balu736 [363]3 years ago
7 0

Answer:

This is called cluster sampling procedure.

Explanation:

In this type of procedure, a group of elements is considered instead of individual units. This proceddure is usually based on geography, and it's useful due to its efficiency regarding cost and time.

There are a few disadvantages, though: it might not be diverse enough to be significant, and it's possible that some elements of other groups (in this case, other districts) share some features.

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