A medical doctor is comparing two treatments for high cholesterol. She puts the names of 40 patients with high cholesterol into a box, and randomly draws the names of 20 patients. These 20 patients are given treatment 1. The doctor gives treatment 2 to the remaining 20 patients. What type of study design is this?
A) Observational study
B) Sample survey
C) Randomized experiment
D) Significant
Correct Answer:
Verified
Q13: Use the following information for questions:
A
Q14: A researcher conducts a study to determine
Q15: In an observational study, confounding means
A) having
Q16: Which of the following is true about
Q17: A study was conducted to compare the
Q19: Use the following information for questions:
Research
Q20: Use the following information for questions:
Research
Q21: An experiment is usually preferred to an
Q22: An observational study is done to see
Q23: Use the following information for questions:
For
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