Examlex
The ____________________ suggests we should take measures to prevent or reduce harm to the environment and human health even if some of the cause-and-effect relationships have not been fully established scientifically.
Laboratory Research
A method of scientific investigation conducted in a controlled environment allowing for precise measurement and manipulation of variables.
Independent Variable
A variable that is manipulated in an experiment to observe its effect on the dependent variable.
Dependent Variable
In experimental and statistical research, the variable being tested and measured, which is expected to change as a result of variations in the independent variable.
Control Group
In experiments, it refers to the group of participants who do not receive the experimental treatment or intervention, serving as a benchmark to measure how the other tested subjects do.
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