Independent vs Dependent Variable

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What is an independent variable?

Back

An independent variable is the variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

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What is a dependent variable?

Back

A dependent variable is the variable that is tested and measured in a scientific experiment, and it is affected by the independent variable.

Front

In the relationship between the number of students (s) and the number of desks (d), which is the independent variable?

Back

The independent variable is the number of students (s).

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In the relationship between the number of T-shirts ordered (t) and the number of players (p), which is the independent variable?

Back

The independent variable is the number of players (p).

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In a music festival, if the amount of time reserved for the venue determines the number of bands, what is the independent variable?

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The independent variable is the amount of time reserved for the venue.

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In the relationship between the number of candles (c) and a person's age (a), which is the independent variable?

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The independent variable is the person's age (a).

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If Spencer bikes a longer distance and burns more calories, what is the independent variable?

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The independent variable is the distance Spencer bikes.

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How do you identify the independent variable in an experiment?

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The independent variable is identified as the factor that is manipulated or changed by the researcher.

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How do you identify the dependent variable in an experiment?

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The dependent variable is identified as the factor that is measured or observed in response to changes in the independent variable.

Front

What is the relationship between independent and dependent variables?

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The independent variable affects the dependent variable; changes in the independent variable result in changes in the dependent variable.