Dining out any time soon? If so, pay attention to whether servers touch you or squat beside your table.

It could convince you to leave a better tip, according to a hospitality researcher.

Waiters and waitresses also can boost gratuities by writing “Thank you” on the check or drawing on it, according to Cornell University professor Michael Lynn’s research.

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A line of passengers waits at the Frontier Airlines ticketing counter at Hartsfield-Jackson Atlanta International Airport on Friday, Nov. 21, 2025. (Ben Hendren for the AJC)

Credit: Ben Hendren

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