Examlex
Technological advances that allow a good to be produced at a lower cost will shift the demand curve rightward.
Internal Validity
The extent to which a study can prove that a cause-and-effect relationship exists between the tested variables, excluding the influence of external factors.
Nonmonotonic Relationship
A relationship between two variables where the direction of the effect changes over the range of the variable, meaning it can increase then decrease, or vice-versa.
Independent Variables
The factors that are manipulated or varied by researchers in an experiment to determine their effect on the dependent variable.
Dependent Variable
In experimental research, the variable that is being tested and measured, expected to change as a result of manipulations to the independent variable.
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