The type of observational study
-Researchers collect data by interviewing athletes who have won olympic gold medals from 1992 to 2008.
A) Prospective
B) Retrospective
C) Cross-sectional
D) None of these

Question

The type of observational study 
-Researchers collect data by interviewing athletes who have won olympic gold medals from 1992 to 2008.
A) Prospective
B) Retrospective
C) Cross-sectional
D) None of these

Quizplus · Accepted Answer

This study is retrospective because it involves looking back at past events, specifically interviewing athletes about their experiences from 1992 to 2008.

The Type of Observational Study