Querschnittsstudien
Querschnittsstudien, also known as cross-sectional studies, are a type of observational research that analyze data from a population, or a representative subset, at one specific point in time. This method involves collecting information from various individuals or groups simultaneously to examine the prevalence of certain characteristics or exposures and their relationships with outcomes. Unlike longitudinal studies, which follow participants over time, querschnittsstudien provide a snapshot.
The primary advantage of querschnittsstudien is their efficiency and cost-effectiveness in gathering data. They are useful
However, a significant limitation of querschnittsstudien is their inability to establish causality. Because data is collected