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Perform the indicated operations. Simplify as much as possible.
Lurking Variables
Variables that are not included as explanatory or dependent variables in a model but can affect the interpretation of the relationships being studied.
Fake Treatment
A placebo or sham treatment used in experimental research to test the efficacy of a real treatment.
Experiment
A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
Driving Ability
The capability of an individual to operate a vehicle competently, often assessed through tests and observed behaviors.
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