Walden university Epidemiology week3-6 quiz( Latest Guide

Walden university Epidemiology week3-6
quiz( Latest Guide)

, Walden university Epidemiology week3-6
quiz( Latest Guide)
• Question 1
0 out of 1 points
One strength that cross-sectional and ecological studies share is that:
Selected
Answer:
Temporal sequence is maintained
Correct
Answer:
They are good for early stage of knowledge
Answer
Feedback: That is incorrect. You will find a discussion of this topic in
Chapter 6 of your text.
• Question 2
1 out of 1 points
A cross-sectional study allows the demonstration of a time sequence between exposure
and disease.
Selected
Answer: Fals
e
Correct
Answer: Fals
e
• Question 3
1 out of 1 points
Controls are needed in a case-control study to evaluate whether the frequency of a factor
or past exposure among the cases is different from that among comparable persons who
do not have the disease under investigation.
Selected
Answer: Tru
e
Correct
Answer: Tru
e
• Question 4
1 out of 1 points
Case-control studies are among the best observational designs to study
diseases of:
Selected
Answer:
Low prevalence
Correct
Answer:
Low prevalence
Answer
Feedback: That's right. To review the information in greater detail, see
Chapter 6 of your text.
• Question 5
1 out of 1 points
Cohort studies enable the investigator to study cause and effect because the temporality
of exposure and disease is known.
Selected
Answer: Tru

, Walden university Epidemiology week3-6
quiz( Latest Guide)
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