Examlex
Discuss the two main reasons why governments levy taxes.
Discriminant Validity
A measure of the degree to which a test or tool is capable of distinguishing between different constructs or phenomena.
Construct Validity
The extent to which a test accurately measures the theoretical, non-observable construct or trait it is intended to assess.
Correlation
A statistical measure that describes the extent to which two variables change together.
Concurrent Validity
Refers to the extent to which the results of a particular test or measurement correspond to those of a previously established measurement for the same construct.
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