Question

multiple choice question
an independent variable ______.

causes the change to another variable
may or may not exist in the researchers hypothesis
depends on the influence of another variable
is independent of any other variables and needs to be analyzed on its own merits
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Explanation:

An independent variable is defined as the variable that is manipulated or changed in a study to observe its effect on another variable (the dependent variable). It is the presumed cause of changes in the dependent variable. The other options are incorrect: hypotheses in research typically center around testing relationships involving independent variables, so they do exist in the hypothesis; a variable that depends on another is a dependent variable; and independent variables are studied for their relationship to other variables, not just on their own.

Answer:

O causes the change to another variable