@ Review Test Submission: Practice Quiz 3 - How Well Do We Know What We Know? Response lItis correct to conclude only that aging, maximum heart rate, and wrinkled skin are correlated or associated with each other. Just Feedback: Pecause they happen at the same time, does not mean one causes the other. Based on the relationships between them, we might say that the data suggest one might cause the other, but to determine causality we would need to do rigorous experiments to prove evidence that one causes another. Question 6 1 out of 1 points Aresearch study in which neither the subjects nor the investigators know which group is receiving a placebo and which group is receiving the real experimental treatment is called Selected Answer: ¢ E. double blind Correct Answer: @ E. double blind Response Feedback: It would be called a double blind study because both researchers and subjects are blinded to the identity of the groups. Question 7 1 out of 1 points Limitations of a study should be acknowledged by the authors in the Discussion section of the journal article. Selected Answer: & True Correct Answer: & True Question 8 1 out of 1 points All research studies have limitations of some sort. Selected Answer: & True Correct Answer: & True Question 9 1 out of 1 points All research studies are fatally flawed. Selected Answer: & False Correct Answer: & False 1 out of 1 points Question 10 > A large study of patients in a hospital in which patients agree to be given a placebo (group 1) or a drug (group 2) to see if the drug improves the health outcome would be what kind of study? Selected Answer: @ A, prospective, cross-sectional applied (clinical) study Correct Answer: @ A. prospective, cross-sectional applied (clinical) study Response Feedback: Prospective because is is planned before it is started. Cross-sectional because it compares two groups of different people. Applied (or clinical) because it does not study mechanism, but rather whether a treatment is effective or not. Tuesday, May 14, 2024 9:10:47 PM EDT < OK
