Examlex
Scientists use the metric system chiefly because it is more accurate than the English system.
Aerobic Work-Out
Exercise that involves or improves oxygen consumption by the body, promoting cardiovascular health.
Operational Definition
A clear, precise criteria for measuring a variable or concept within an experiment, ensuring that the variable is quantifiable and the experiment replicable.
Empirically Tested
Evaluated or tested based on observations or experience rather than theory or pure logic.
Experimental Method
A scientific approach to research in which an investigator manipulates one or more variables to determine their effect on a certain outcome.
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