Select all that apply. Which of the following statements best describes a characteristic of an observational study? The researcher determines relationships among variables. The individuals are observed the exact way they act in real life. The researcher imposes, for example, a treatment on the sample population and then observes their response. It is the best method to learn about cause-effect relationships.
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Step 1: The first statement, "The researcher determines relationships among variables," is not the best characteristic of an observational study as it can apply to other types of studies as well. Show more…
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