Question 9 (part 2) · LEK · Characteristics of scientific studies
In epidemiological analytical studies, a researcher can use the retrospective method. It can be said that it:
- A. is a cost and time-consuming method.
- B. begins with healthy people divided into groups according to different exposures.
- C. is not useful for testing diseases of low incidence.
- D. it begins with a group of diseased cases and looking for causal factors.
- E. gives the possibility of interference in the research process and the most reliable results.
Hint
In a retrospective analytical study, ask where the researcher starts - with the outcome or with the exposure.
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