A group of 200 patients who suffer from seizures is asked to participate in a study to determine the effectiveness of a new medication. The patients are divided randomly into two groups, one was given the actual medication and one received a placebo pill. After 5 months of treatment, 62% of the patients who took the medication had fewer seizures, while only 38% of those who took the placebo had fewer seizures. a. What is the treatment variable? b. What is the response (or outcome) variable? c. Was this an observational study or a controlled experiment? Explain how you know. d. Assuming the rest of the study was well-designed, use your answers to discuss whether it would be reasonable to conclude that taking the new medication caused fewer seizures.
A group of 200 patients who suffer from seizures is asked to participate in a study to determine the effectiveness of a new medication. The patients are divided randomly into two groups, one was given the actual medication and one received a placebo pill. After 5 months of treatment, 62% of the patients who took the medication had fewer seizures, while only 38% of those who took the placebo had fewer seizures. a. What is the treatment variable? b. What is the response (or outcome) variable? c. Was this an observational study or a controlled experiment? Explain how you know. d. Assuming the rest of the study was well-designed, use your answers to discuss whether it would be reasonable to conclude that taking the new medication caused fewer seizures.
Chapter3: Ways Of Knowing About Nutrition
Section: Chapter Questions
Problem 17RQ
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Transcribed Image Text:A group of 200 patients who suffer from seizures is asked
to participate in a study to determine the effectiveness of a
new medication. The patients are divided randomly into two
groups, one was given the actual medication and one
received a placebo pill. After 5 months of treatment, 62% of
the patients who took the medication had fewer seizures,
while only 38% of those who took the placebo had fewer
seizures.
a. What is the treatment variable?
b. What is the response (or outcome) variable?
c. Was this an observational study or a controlled
experiment? Explain how you know.
d. Assuming the rest of the study was well-designed, use
your answers to discuss whether it would be reasonable to
conclude that taking the new medication caused fewer
seizures.
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