Somebody help me paraphrase this! has to be great! its for an assignment?

“Finally, participants completed two 7-min driving tasks, once with no distractions, and once while talking on a hand-held phone. These driving tasks were the same as the baseline task, however, the color of passing traffic and appearance of building and trees was modified to reduce task familiarity. Task order was counterbalanced across participants to control for order effects.” (p. 1109)