Examlex
It is believed that AIDS has been able to spread rapidly because it has diffused according to the following pattern:
Validity
The extent to which a test or instrument measures what it is supposed to measure.
Predictive
Relating to the ability to foresee or anticipate future events or outcomes based on current data or trends.
Standardization
The process of developing and implementing technical standards to ensure consistency and compatibility between processes and products.
Predictive Validity
The extent to which a score on a scale or test predicts future performance on a related measure.
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