Examlex
What is the origin of the present topography of the Appalachian Mountains?
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.
Cause-and-Effect
A relationship where one event (the cause) makes another event happen (the effect).
Dependent Variable
In experimental research, it's the outcome or response that is measured to assess the effect of the independent variable.
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