Examlex
What is a common rock that can be dissolved by water and weak acids?
Longitudinal
A type of study or analysis that follows the same subjects over a period of time to observe changes or outcomes.
Cross-Sectional Study
A research method that involves observing a defined population at a single point in time or over a short period, making it possible to examine correlations and infer potential causations.
Cohort Differences
Variations in characteristics, experiences, or developments among groups of people who were born around the same time and share similar cultural or historical contexts.
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