Examlex
The world's dependence on nonrenewable fossil fuels is affecting the economies of individual nations.
Developmental Trends
Patterns and sequences of development observed over time, which can include physical, cognitive, and social changes.
Causality
The relationship between cause and effect, where one event (the cause) is understood to lead to another event (the effect) as a result.
Longitudinal Studies
Research designed to observe the same subjects over a period of time, allowing for the study of changes and developments.
Cross-Sectional Studies
Research designs in which subjects of different ages are studied at one point in time.
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