Examlex
_______________ describes the seriousness of a problem's effects.
Internal Validity
The extent to which changes in the independent variable caused changes in the dependent variable.
Independent Variable
A variable in an experiment that is manipulated or changed by the researcher to observe its effect on the dependent variable.
Dependent Variable
In an experimental setting, it is the variable being tested and measured, expected to change as a result of manipulations to the independent variable.
Internal Validity
The degree to which an experiment or study accurately measures or tests what it intends to, without the influence of external factors.
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