Examlex
Pakistan has one of the poorest public transit systems in the world. what social institution should improve public transit?
Independent Variable
The variable in an experiment that is manipulated or changed by the researcher to determine its effect on the dependent variable.
Placebo
A substance with no therapeutic effect, often used as a control in testing new drugs.
Control Group
In an experiment, a group of subjects that does not receive the treatment being tested and is used as a benchmark to measure how the other tested subjects do.
Dependent Variable
In scientific research, the variable that is tested and measured; it is 'dependent' on the independent variable.
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