Confounding Variable occurs when the independent variable and an uncontrolled variable are correlated, so one cannot determine which of the variables is responsible for the observed effect.
A variable that is independent is precisely what it sounds like. It is a stand-alone variable that is unaffected by the other variables you are attempting to assess. Age, for instance, could be an independent variable.
The variable that the researcher modifies or manipulates in an experiment is known as the independent variable. The measured reaction is the dependent variable.
The elements or circumstances you control in an experiment are known as independent variables. Your claim is that there is a direct relationship between this variable and the dependent variable.
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