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Cross-Sectional Studies

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What are some strengths and weaknesses of cross-sectional studies? Please specify when they are useful and when they are not.

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Cross-sectional studies are observational in nature. You are looking at a specific disease/condition at a specific point in time. For instance, how many people are considered obese in the U.S.? The information wouldn't tell you if there is a trend, but simply what the facts are. You could, however, determine if it is higher in certain groups (youth vs. adult), genders, or locations. It often examines the prevalence of a particular phenomena.

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Solution Summary

This 271 word solution provides a very brief summary of what a cross-sectional study is and gives an explanation of this methodology's strengths and weaknesses, and includes one source.