At Folger University,Drs.Chase and Sanborn are conducting an experiment on the effects of caffeine on memory.Participants are randomly assigned to a caffeine or a no-caffeine group; later their recall of items on a word list is assessed.In this experiment,word recall is the _____ variable.

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The word recall is the variable that is being measured and assessed, making it the dependent variable. The independent variable is caffeine, as it is being manipulated by the researchers. The experimental variable refers to the overall experiment being conducted, while the control variable refers to a constant variable that is held constant to ensure the experiment's validity.