The nurse implemented an immunization program for influenza for members of a parish. Following the implementation of the program, the nurse gathered data on the incidence of flu. What is this an example of?
1. A retrospective study
2. A controlled study
3. A prospective study
4. An experimental study
Correct Answer: 3
A prospective study starts with an event and then monitors the outcomes. A retrospective study starts with an event and then looks at past records to determine the possible causes or past rates of occurrence. A controlled study is not covered in the text. An experimental study is often conducted to determine the effectiveness of a particular therapeutic modality.
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Fill in the blank(s) with correct word
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