Examlex
Which of the following is a European Directives public procurement procedure?
Test-Retest Correlation
A measure of the consistency of a psychological test or assessment over time by administering the same test to the same individuals on two different occasions.
Median
The score that falls in the middle of all the scores on the test; also called the 50th percentile.
Predictive Validity
When a scale is related to a concrete outcome or behavior.
Discriminant Validity
The extent to which a construct is truly distinct from other constructs by empirical standards, often assessed through its lack of correlation with unrelated constructs.
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