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Why is it nessesary to have an independent variable that is changed by the experimenter during an experiment
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Why is it nessesary to have an independent variable that is changed by the experimenter during an experiment

User Bhargav Kaklotara
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It's important to have a independent variable because if ever thing was the same you will get the same result. Plus you don't want to have same results because it's a experiment . Also you will need a independent variable to do a experiment .
User JamesRLamar
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