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Use the figure below to answer the following questions.
Figure 1A.2.1
-Refer to Figure 1A.2.1. The variables x and y
Actual Drug
Refers to a pharmaceutical compound that has a therapeutic effect when administered, as opposed to a placebo which has no pharmacological effect.
Independent Variable
In an experiment, the variable that is manipulated or changed by the researcher to observe its effects on the dependent variable.
Extraneous Variable
Any variable that is not intentionally studied in the experiment, which can affect the outcome and potentially confound the results if not controlled.
Dependent Variable
The variable being tested and measured in a scientific experiment, expected to change as a result of alterations in the independent variable.
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