A Friend of Yours Attributes the High Grades She Receives

Essay

A friend of yours attributes the high grades she receives on tests to the fact that she always drinks coffee while studying.You start thinking about how psychologists might design a study that would determine whether the caffeine in coffee can contribute to better academic performance.Describe an appropriate design for such a study,making sure to explain how you would operationalize your variables,the measurements you would use,and how you would control for possible alternative explanations of your results.