Examlex
Random assignment of subjects to treatment and control groups helps ensure that experimental and control groups do not differ from each other in important ways at the beginning of a research study.
Government
The group of people with the authority to govern a country or state, making and enforcing laws and policies.
Authority
The authority or ability to issue commands, take decisions, and ensure compliance.
Enforce Decisions
The process by which authoritative rulings or policies are implemented and ensured to be followed through by the relevant parties.
Air Quality
The condition of the air within our surroundings, measured by the presence and concentration of pollutants, which can affect human health and the environment.
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