One developer used the Bradley-Terry statistical model to settle a surprisingly pressing question: which dog treat does his Greyhound actually prefer? According to a post on Hacker News, he ran a pairwise comparison experiment, offering his dog two treats at a time and recording the choices. After dozens of trials, Pur Luv dehydrated chicken emerged as the champion, though the duck-and-rawhide competitor came close enough that the result remains unsettled. The experiment also revealed an unexpected pattern: his dog consistently favored treats presented on the right side.

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