Understanding Variables in Experiments

A dependent variable is the one that is manipulated or changed in an experiment.

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An independent variable is the variable that is being tested or measured in an experiment.

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In a scientific experiment, the dependent variable is what is observed or measured.

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A control variable is kept constant to avoid influencing the outcome of an experiment.

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Categorical variables can take on any numerical value.

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Quantitative variables are variables that can be measured numerically.

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Continuous variables can take on any value within a given range.

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Ordinal variables have categories with a natural order or ranking.

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Nominal variables have a natural ordering or ranking among categories.

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Discrete variables can take on only specific values, often integers.

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