Use the Following Identify Whether Each of the Following Scenarios Describe a Randomized

Use the following
Identify whether each of the following scenarios describe a randomized comparative experiment or a matched pairs experiment.
-To study the impact of texting while driving, researchers have students drive around an obstacle course twice, once while texting and once without texting (the order of which was randomized). Their score for each turn is the number of obstacles they successfully maneuvered around.