Which of the following research situations is most likely to use a repeated-measures design? A researcher wants to study the effects of caffeine on people of different genders. A researcher wants to study the effect of classical music on IQ. A researcher wants to study the effects of a cholesterol-lowering drug on people with high cholesterol. None of these situations would use a repeated-measures design. Changed: your submitted answer was incorrect. your current answer has not been submitted.
