What was the hypothesis of the study? How were the cases selected for the study? How many cases were selected for the study? Describe the inclusion or exclusion criteria for the selection of cases and controls?

Epidemiological study

Do some research and find an article online that describes an epidemiological study (case-control, cohort, ecological, or cross-sectional study).

Answer the questions below. For each question, cite your research that supports your answer.

1. What was the hypothesis of the study?
2. How were the cases selected for the study?
3. How many cases were selected for the study?
4. Describe the inclusion or exclusion criteria for the selection of cases and controls?

Your paper should:

• be 1-2 pages in length.
• properly cite research sources in APA format.
• be free of spelling and grammar errors.