Suppose you design a study to test this hypothesis. Your study participants are adults between the ages of 25 and 40 (mean age = 32). From the following choices, select the groups of individuals who would make the best participants for the control group in your study.
A. a group of 100 vaccinated adult males and a group of 100 vaccinated adult females
B. a group of 100 unvaccinated adult males and a group of 100 vaccinated adult males
C. a group of 50 vaccinated adult males and a group of 150 vaccinated adult females
D. a group of 100 unvaccinated adult males and a group of 100 unvaccinated adult females
Answer:D
Suppose you design a study to test this hypothesis. Your study participants are adults between the ages of 25 and 40 (mean age = 32). From the following choices, select the groups of individuals who would make the best participants for the control group in your study.
A. a group of 100 vaccinated adult males and a group of 100 vaccinated adult females B. a group of 100 unvaccinated adult males and a group of 100 vaccinated adult males C. a group of 50 vaccinated adult males and a group of 150 vaccinated adult females D. a group of 100 unvaccinated adult males and a group of 100 unvaccinated adult females