Which variable is measured to determine the effect of the independent variable?

Which variable is measured to determine the effect of the independent variable?

• A. Control Variable
• B. Dependent Variable
• C. Independent Variable
• D. Constant

Answer: (B)

The key idea is that the variable you measure to see what happens when you change something else is the dependent variable. It shows the outcome of the experiment and depends on the independent variable, which is the one you deliberately change. For example, if you test how different amounts of sunlight affect how tall a plant grows, the plant height is the dependent variable while sunlight exposure is the independent variable. Control variables are kept constant to avoid influencing the results, and a constant is simply a value that doesn’t change. So the measured outcome you look at to determine the effect is the dependent variable.

The key idea is that the variable you measure to see what happens when you change something else is the dependent variable. It shows the outcome of the experiment and depends on the independent variable, which is the one you deliberately change. For example, if you test how different amounts of sunlight affect how tall a plant grows, the plant height is the dependent variable while sunlight exposure is the independent variable. Control variables are kept constant to avoid influencing the results, and a constant is simply a value that doesn’t change. So the measured outcome you look at to determine the effect is the dependent variable.