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Reagan's policies benefited the poor tremendously as their wages and standard of living improved.
Interrater
Relates to the degree of agreement among independent observers or raters evaluating the same phenomenon.
Predictive Validity
The extent to which a score or measurement can accurately predict future performance or behavior.
Concurrent Validity
A measure of how well a particular test correlates with a previously validated measure.
Content Validity
The extent to which a test measures all aspects of the construct it is supposed to measure.
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