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Unions support minimum wage laws because an increase in the minimum wage
Experiments
Scientific procedures undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
Natural Experiments
Observational study setups where the variables of interest change naturally, allowing researchers to study outcomes without direct manipulation.
Laboratory Experiments
Controlled testing environments where researchers manipulate variables to study effects in a lab setting.
Theories
Systematic frameworks for explaining phenomena, often based on principles and evidence from a specific field of study.
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