to Treat at whether a new surgical approach to treating Alzheimer\'s disease res
ID: 3049376 • Letter: T
Question
to Treat at whether a new surgical approach to treating Alzheimer's disease results in improved memory functioning. The surgical procedure involves implanting a thin tube, called a is designed to drain toxins from the fluid-filled space that cushions the brain. Eleven patients had shunts implanted and were followed for a year, receiving quarterly tests of 's disease. After memory function. Another sample of Alzheimer's patients was used as a comparison group. Those in the comparison group received the standard care for analyzing the data from this study, the investigators concluded that the "results suggested the treated patients essentially held their own in the cognitive tests while the patients in the control group steadily declined. However, the study was too small to produce conclusive statistical evidence. (a) What were the researchers trying to learn? What question motivated their research? e The researchers wanted to know whether the new surgical approach improved physical functioning in Alzheimer's patients. The researchers wanted to know whether the new surgical approach improved memory functioning in Alzheimer's patients. O The researchers wanted to know whether the new surgical approach reduced physical functioning in Alzheimer's patients. O The researchers wanted to know whether the new surgical approach reduced memory functioning in Atzheimers patients. (b) Do you think that the study was conducted in a reasonable way? What additional information would you want in order to evaluate this study? (Select all that apply.) whether the patients knew which treatment they were receiving a the names of each of the patients 0 how the patients scored on the last test how the patients scored on the first test D what degrees the doctors had Type here to search 2/24/2018Explanation / Answer
A) (b) Researchers are testing the improved memory functioning
B) (c),(d),(f) Score of first and last test, and also the ramdom selection of the patients.
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