Question: For Questions 17 and 18, identify whether the variable described is an independent variable or a dependent variable for an experiment. Answer I for an

For Questions 17 and 18, identify whether the variable described is an independent variable or a dependent variable for an experiment. Answer I for an independent variable and D for a dependent variable.

A researcher records differences in attention between students who drink coffee and those who do not drink coffee. What type of research method is described in this example?

a. experimental

b. quasi-experimental

c. correlational

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