Those who drank the non-alcoholic beverage participated in the "control" condition.
Answer: Option C
Step-by-step explanation:
In the design of an experiment, treatment of an independent variable or manipulation lacks in the control condition. Individuals allocated with the control group to serve as the basis for comparison in experiment. For an experiment a control is priority because it permits the experiment to reduce the variations in rest of the variables excluding the one being tested already.
Here non-alcoholic drinks participators are involved in control situation and such experiments remove the psychological and pharmacological effects of alcohol administration on emotions and behaviors like tension, taking sexual risk, fear and violence.