Multiple Choice
Prevalence of an illness refers to
A) the proportion of the population that has a disease at a specific time.
B) the number of new cases of a disease in a year.
C) the percentage of new cases of a disease in a year.
D) the percentage of total deaths caused by a disease in one year.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Wendi is a long-time smoker, which carries
Q11: Discuss the disadvantages and advantages of placebos.
Q14: Researchers want to examine whether writing about
Q15: Retrospective studies begin with a group of
Q16: Small correlations,for example 0.08 or 0.10,<br>A) may
Q22: Which of these conditions is likely to
Q36: Placebos have been known to help<br>A) reduce
Q68: Placebos can be beneficial in treating many
Q79: A statistical technique for combining the results
Q82: The number of new cases of AIDS