Cross-Sectional Study
Definition
A study that analyzes data from a population at a single point in time.
Example
A researcher wishes to examine mental health issues among college students. He gathers data from a sample of students, assessing various aspects of mental health and academic performance. The results of the study provide a "snapshot" of the mental health status of college students, and are useful for identifying potential areas in which interventions are needed.
Why It Matters
Cross-sectional studies are important because they give us a quick look at what’s happening in a group of people at a specific moment in time. They’re useful for spotting trends, identifying problem areas, and guiding decisions about where support or resources might be needed — without waiting months or years for results.
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