Examlex
Define "psychoactive substance" and give examples of the different categories of psychoactive drugs. Discuss whether these drugs are psychologically or physiologically addictive.
Reliability
The consistency and dependability of a measurement, test, or result when repeated under the same conditions.
Validity
The degree to which a test or instrument measures what it is supposed to measure.
Validity
The degree to which an idea, conclusion, or measurement is grounded in reality and accurately reflects the actual world.
Repeated Studies
Research projects or experiments conducted more than once to verify findings and ensure reliability and validity of results.
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