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A scientist wants to know if giving caffeine to rats will help their ability to solve a maze. The scientist has 100 rats run the maze without giving them caffeine first. Then the scientist has 100 rats
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A scientist wants to know if giving caffeine to rats will help their ability to solve a maze. The scientist has 100 rats run the maze without giving them caffeine first. Then the scientist has 100 rats run the maze after they have been given a drink with caffeine.

What is the independent variable in this experiment?
What is the dependent variable in this experiment?

User Garren S
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dependent variable: rats ability to solve the maze (depends on caffeine)
independent variable: 100 rats (stays the same and is not affected)
User Jebik
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