One famous study followed a cohort of nurses over their lives, collecting data and health histories as they aged. Which of the following would be the most appropriate categorization of this study?

Question

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Prospective studies monitor a group of individuals to determine if and when disease occurs. A cross-sectional study examines relationships between potential causal factors and disease at a specific time. A retrospective study compares individuals with a particular condition or disease with those who do not have the disease. A true experiment involves both an experimental group who receives an intervention and a control group who does not receive an intervention.

One Famous Study Followed a Cohort of Nurses Over Their