A study that compares matched individuals with and without a known medical condition is known as a ________.

Question

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A case-control study compares individuals with a known medical condition (cases) to those without the condition (controls) to determine potential risk factors. Matching is often used to control for confounding variables, such as age or gender. This type of study is commonly used in epidemiology research. Double-blind studies involve randomly assigning participants to receive either an experimental or control treatment, with neither the participants nor the researchers knowing who is receiving which treatment. Matched and control group studies may also be used in different types of research.

A Study That Compares Matched Individuals with and Without a Known