A scientist conducts the following experiment.  She places rats in cages of different sizes and these cages are placed either in the light or the dark for one week.  Then each rat is placed in a maze and the time to complete the maze and claim a food reward is measured.  Which is the dependent variable in this experiment? Group of answer choices a. being in the dark b. the individual rat c. size of the cage d. time to complete the maze e. being in the light

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