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Marianna [84]
2 years ago
13

Susan calls every 10th name in the student phone book to ask them to participate in her study. this is an example of ___________

___. question 1 options:
Social Studies
1 answer:
Karo-lina-s [1.5K]2 years ago
3 0
The answer to this question is <span>stratified sampling
In stratified sampling, the researchers will divide the population into several groups. Then, they will acquire data from all the groups that proportionally adjusted to each numbers of the group in order to minimize sample selection bias within the research
</span>
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C. factor analysis.

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Factor analysis examines joint variations concerning latent unobserved variables.

In other words, factor analysis is used to identify questions in any survey that reflect abstract variables or broader dimensions known as factors that are independent of one another.

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