What are some examples of prospective cohort studies??
An example of a prospective cohort study would be an investigator who has access to a group of patients without known cancer and wants to examine the relationship between obesity and the development of breast cancer over time. The advantages of this type of study is that it is simple in design, can assess incidence,...
What is the difference between prospective and retrospective cohort studies??
“Prospective” means that it relates to the future. A backward-looking cohort study is also called a retrospective cohort study. “Retrospective” means that it relates to the past. To carry out prospective cohort studies, scientists identify a group of people to study and plan the research in advance, collecting data over time.
What is a cohort study in psychology??
Nevertheless, cohort studies are useful to provide evidence that suggests causality and information regarding the strength of the association between the risk factors and the outcome. Cohort studies can be either prospective or retrospective. The type of cohort study is determined by the outcome status.
How long does it take for prospective cohort studies to develop??
It takes a significant amount of time for a prospective cohort study to develop results that are useful for comparison purposes. If you were to look at the impact of asbestos exposure using this option, it could be more than 20 years before any useful data would become available.