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A consequence of the economic problem of scarcity is that
Concurrent Validity
The extent to which test scores correlate with scores on an established test of the same skill or knowledge area, taken at the same time.
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.
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