In the description of the following experiment, determine the experimental factor. During a study testing the effects of caffeine on memory, the research team grouped the volunteers enrolled for the test into Group A and Group B. Group A received 3 cups of liquid with caffeine before memorizing a list of words while Group B received water before memorizing a list of words. Select the correct answer below: whether or not a person has a high IQ O the effectiveness of the caffeine the liquid received by each group the group receiving the caffeine Next Previous