a.
To identify: The type of observational study.
This observational study is prospective.
Given information:
An observational study is retrospective if it considers only existing data.
It is prospective if the study design calls for data to be collected as time goes on.
Explanation:
Naturalists will collect data in the coming a ten-year period.
Thus, this observational study is prospective.
b.
To identify: The type of observational study.
This observational study is retrospective.
Given information:
An observational study is retrospective if it considers only existing data.
It is prospective if the study design calls for data to be collected as time goes on.
Explanation:
Researcher is studying a recorded data.
Thus, this observational study is retrospective.
c.
To identify: The type of observational study.
This observational study is retrospective.
Given information:
An observational study is retrospective if it considers only existing data.
It is prospective if the study design calls for data to be collected as time goes on.
Explanation:
Researcher is studying a recorded data.
Thus, this observational study is retrospective.
d.
To identify: The type of observational study.
This observational study is prospective.
Given information:
An observational study is retrospective if it considers only existing data.
It is prospective if the study design calls for data to be collected as time goes on.
Explanation:
Here, the study calls for data to be collected after the soldiers return from active duty.
Thus, this observational study is prospective.
e.
To identify: The type of observational study.
This observational study is retrospective.
Given information:
An observational study is retrospective if it considers only existing data.
It is prospective if the study design calls for data to be collected as time goes on.
Explanation:
Researcher is studying a recorded data.
Thus, this observational study is retrospective.
Chapter 10 Solutions
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