Examlex
Structured query language (SQL) is a standardized first-generation query language found in most DBMSs.
Experimental Groups
Groups in an experiment that receive the treatment or intervention being tested, as opposed to the control group which does not.
Control Groups
In experimental research, a group of subjects that does not receive the experimental treatment, serving as a comparison to evaluate the effect of the treatment.
Independent Variable
In an experiment, the independent variable is the factor that is manipulated to see if it causes a change in the outcome or dependent variable.
Nicotine
A stimulant and addictive substance found in tobacco, responsible for the habit-forming nature of tobacco use.
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