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To learn about the TV-viewing habits of all the children attending Oakbridge School,Professor DeVries randomly selected and interviewed 50 of the school's students. In this instance,all the children attending the school are considered to be a(n)
Causal Research
A type of investigation aimed at determining cause-and-effect relationships.
Power Analysis
A statistical method used to determine the smallest sample size needed to detect an effect of a given size with a certain degree of confidence.
Response Category
Preset answers or categories provided for a question in surveys or questionnaires, guiding respondents in their answers.
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