Identify the type of observational study (cross-sectional, retrospective, prospe

Question

Identify the type of observational study (cross-sectional, retrospective, prospective): 13. Psychology of Trauma: A researcher from Mt. Sinai Hospital in New York City plans to obtain data by following (to the year 2015) siblings of victims who perished in the World Trade Center terrorist attack of September 11, 2001. 14. Deer Encounters: A state Fish and Game official investigates the size of the deer population by collecting data from reports of damage caused by vehicles hitting deer in each of the last ten years.

Explanation / Answer

13. This is an example of prospective observational study. 14. This is an example of retrospective observational study.

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