A psychologist designed an experiment to determine the effect of positive and negative emotion on health. In this experiment, emotion is a(n) variable, and health is a(n) variable.
Question
A psychologist designed an experiment to determine the effect of positive and negative emotion on health. In this experiment, emotion is a(n) variable, and health is a(n) variable.
Solution
In this experiment, emotion is an independent variable, and health is a dependent variable.
Here's why:
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Independent Variable: This is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. In this case, the psychologist is controlling the emotion (either positive or negative) to see what effect it has.
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Dependent Variable: This is the variable being tested and measured in a scientific experiment. The dependent variable is 'dependent' on the independent variable. In this case, the psychologist is measuring health, which is expected to change based on the type of emotion introduced (the independent variable).
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