A new medication has been found that can stop the spread of a disease significantly by a process that does not allow the virus to leave the infected person's body. Patients who do not take the medication have very high transmission rates. The Center for Disease Control and Prevention (CDC) randomly selected participants for a study and divided them into two groups. The first group received the medication and the second group did not. The CDC has concluded that the medication could halt the spread of the disease. Which statistical study did the CDC most likely use? a They most likely used a sample survey that asked patients who took the medication whether they came in contact with someone who had the disease. b They most likely used an observational study that observed patients, selected at random, to determine whether those patients who took the medication spread the disease to others. c They most likely used an experimental study under controlled circumstances on patients assigned at random to take or not take the medication to determine whether the medication stopped the spread of the disease. d They most likely used a convenience survey that asked patients, as they left the hospital, whether they spread the disease to other people.

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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A new medication has been found that can stop the spread of a disease significantly by a process that does not allow the virus to leave the infected person's body. Patients who do not take the medication have very high transmission rates. The Center for Disease Control and Prevention (CDC) randomly selected participants for a study and divided them into two groups. The first group received the medication and the second group did not. The CDC has concluded that the medication could halt the spread of the disease. Which statistical study did the CDC most likely use?

a	They most likely used a sample survey that asked patients who took the medication whether they came in contact with someone who had the disease.
b	They most likely used an observational study that observed patients, selected at random, to determine whether those patients who took the medication spread the disease to others.
c	They most likely used an experimental study under controlled circumstances on patients assigned at random to take or not take the medication to determine whether the medication stopped the spread of the disease.
d	They most likely used a convenience survey that asked patients, as they left the hospital, whether they spread the disease to other people.

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