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Sagot :
Final answer:
Observational studies involve data collection without researcher manipulation.
Explanation:
Observational studies involve gathering data without researcher manipulation, making them nonexperimental. Researchers in observational studies do not influence the population being observed. For example, in a survey or observational study on voter preferences, the researchers do not alter the variables of interest but simply observe and collect data.
Learn more about types of statistical studies here:
https://brainly.com/question/36197616
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