I chose Taco Bell as the restaurant chain to study. After visiting one of the locations, I realized Taco Bell has the following advantages:
A) All my friends are familiar with the menu which will reduce bias of my order affecting their order.
B) Menu items are close in price which reduces the bias of the price of my order affecting my friend's order (which happens—I don't order filet mignon if everyone else gets cheeseburgers).
C) The menu is complex enough with substitutions and combinations to necessitate some kind of ordering interface.
D) Sitting down at Taco Bell I can collect as many observations as I need to.
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