5. Twenty volunteers with high cholesterol were selected for a trial to determine whether a new diet reduces cholesterol. The volunteers were given a low-carb, low-calorie diet. After 8 weeks of the...


5. Twenty volunteers with high cholesterol were selected for a trial to determine whether a new diet reduces cholesterol. The volunteers were given a low-carb, low-calorie diet. After 8 weeks of the diet, the average cholesterol of the volunteers dropped a significant amount. This study is an example of



  • (A) A controlled experiment.

  • (B) An uncontrolled experiment.

  • (C) A double blind experiment.

  • (D) A blocked design experiment.

  • (E) An observational study.




Jun 01, 2022
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