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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 which answer does the pair correctly identify a variable in this experiment?

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Blacklash

Answer:

caffeine — independent variable                                    

Explanation:

Independent variable: In psychological research, the term independent variable is defined as the variable that is changing, altered, and manipulated by the experimenter or the researcher. The independent variable is responsible for affecting the dependent variable in an experiment i.e, any changes in the independent variable will cause a direct effect on the dependent variable.

In the question above, the pair that correctly identify a variable in this experiment is the caffeine — independent variable.

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