Examlex
What percent of students who are deaf or hard of hearing have hearing parents?
Experimental Group
In an experiment, the group that is exposed to the treatment, that is, to one version of the independent variable.
Independent Variable
A factor in a scientific study that is manipulated or changed to observe its effects on the dependent variable.
Cause-Effect Relationships
The principle stating that every effect in the natural world has a specific cause, and every cause leads to a specific effect.
The Experiment
A methodological approach in research to test hypotheses and establish causation by manipulating variables and observing the effects on a subject or system.
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