Which of the following is an example of the use of a secondary data source

A: a researcher assigns different foods to two treatment groups and records the cholesterol levels of different participants after 3 months

B: A researcher interviews people about their eating habits and compares their answers and cholesterol levels

C: a researcher watches people in the cafeteria and records their eating habits then asks them to have their cholesterol tested and report the results.

D: a researcher searches the internet and finds information that relates eating habits and cholesterol levels.

Question

Mathematics

Guest

14 July, 12:07

Which of the following is an example of the use of a secondary data source

A: a researcher assigns different foods to two treatment groups and records the cholesterol levels of different participants after 3 months

B: A researcher interviews people about their eating habits and compares their answers and cholesterol levels

C: a researcher watches people in the cafeteria and records their eating habits then asks them to have their cholesterol tested and report the results.

D: a researcher searches the internet and finds information that relates eating habits and cholesterol levels.

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Answers (1)

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Leandro Watts · Answer 1

I would think D, because the researcher is looking for information that's already been published. Everyone else is observing and then writing their findings