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Independent and Dependent Variables

Independent and Dependent Variables. Independent and dependent variables are related to one another. Independent Variable.   The Independent part is what you, the experimenter, changes or enacts in order to do your experiment. Dependent Variable.

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Independent and Dependent Variables

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  1. Independent and Dependent Variables Independent and dependent variables are related to one another.

  2. Independent Variable •   The Independent part is what you, the experimenter, changes or enacts in order to do your experiment.

  3. Dependent Variable • The dependent variable is what changes when the independent variable changes - the dependent variable depends on the outcome of the independent variable.

  4. For instance: if you were measuring the growth rate of plants under full sunlight for 8 hours a day versus plants that only have 4 hours of full sunlight per day, the amount of time per day of full sunlight would be the independent variable - the variable that you control.  The growth rate of the plants would be adependent variable.

  5. Independent = input a.k.a. x-value Dependent = output a.k.a. y-value • Dependent variables go on y axis. Independent variables go on x axis.

  6. Time is almost always independent and that is why it nearly always on x axis. Time doesn't depend on anything in most experiments. But many things depend on it. Those will go on the y axis.

  7. Independent? Dependent?

  8. Independent? Dependent?

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