Examlex
Which of the following best describes the "invisible hand" concept?
Validity
The extent to which a test measures what it claims to measure.
Reliability
The consistency and stability of a measurement over time.
Laboratory Observation
A research method where subjects are observed in a controlled environment to ensure accuracy and control over variables.
Artificial Setting
An environment created or controlled by researchers to simulate conditions for experiments, often differing significantly from natural or real-world settings.
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