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The United States ranks _______________ in the world in terms of infant mortality rates.
Independent Variable
In experimental settings, the variable that is manipulated or changed to observe its effect on the dependent variable.
Dependent Variable
In an experiment, it is the variable being tested and measured, which is expected to change as a result of manipulations to the independent variable.
Experimenter
The person conducting an experiment, responsible for the setup, execution, and analysis of the experiment to test hypotheses and gather data.
Experimental Group
In experimental research, the group of participants that receives the treatment or intervention under study, contrasted with the control group.
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