Examlex
At what temperature is the same numerical value obtained in Celsius and Fahrenheit?
Validity
The extent to which a concept, conclusion or measurement is well-founded and likely corresponds accurately to the real world.
Random Assignment
A procedure that ensures each subject in an experiment has an equal probability of being in either the experimental or the control group, guaranteeing the equivalence of these groups.
Experimental Groups
In research, these are groups where the subjects are exposed to the treatment or condition being tested to measure its effect.
Control Groups
In experimental research, a group of subjects that does not receive the treatment or intervention being tested, serving as a benchmark to measure the effect of the treatment.
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