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Help pleas I dont understand

Help pleas I dont understand-example-1
User Jandersen
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The amount of time each group took to build the boat because in the study, it is something the scientists cannot control. It is also a result of the other three factors, which are all independent.
User Mptevsion
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The *independent* variable is the one that you always can control. However, the dependent variables are not since they **depend** on another.
User Ben Myers
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