For her thesis project, Celine wants to better understand attitudes toward, opinions about, and experience with fad diets. If Celine wants her sample to represent all Americans, the best research approach would be to conduct
A. a case study, because she will learn in-depth information about one person that she can use to generate future hypotheses.
B. surveys, because she can gather a lot of information from a large sample that closely resembles the population.
C. correlational research, because she can explore relationships between variables of interest without manipulating them.
D. experimental research, because random assignment will increase her confidence that the effect she sees is due to her experiment.
Answer: B
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