Lasr week you set up an experiment to test two versions of the Uber Eats order page. Uber's food delivery platform displays gricery stores, restaurants and eateries by rank. The team wants to understand the kevel of detail on the order page that works better to improve click$-$ through rates from the order page to adding a food item to the cart on desktop.

What confiunding variables could be hidden in your results?

What else might we do to increase the chances of finding a difference?