Overview
Longitudinal studies are a powerful research method that allows scientists to observe changes over time by repeatedly measuring the same variables. This approach is particularly useful for understanding trends, causal relationships, and the long-term effects of interventions. By following the same s...
Key Terms
Example: A cohort study might track the health of individuals born in the same year.
Example: A panel study could survey the same group of voters before and after an election.
Example: Surveys and interviews are common data collection methods.
Example: A p-value of less than 0.05 is often considered statistically significant.
Example: Time series analysis can be used to forecast future sales based on past data.
Example: Researchers must obtain informed consent before starting a longitudinal study.