In general, 24 percent of people belong to a credit union. But among people who refuse to tip a server if they receive poor service, only 8 percent belong to a credit union.

Based on a survey of 177 people who refuse to tip a server if they receive poor service and 652 people in general.

44 percent of bad spellers prefer white noise when they sleep, compared with 30 percent of people in general.

Based on a survey of 183 people who don't spell well and 937 people in general.

In general, 31 percent of people can ski. But among people who are more scared of spiders than snakes, only 16 percent can ski.

Based on a survey of 237 people who are more scared of spiders than snakes and 554 people in general.

74 percent of people who bite their nails understand HTML, compared with 58 percent of people in general.

Based on a survey of 298 people who bite their nails and 815 people in general.

Among people who dislike their neighbors, only 35 percent think old people are cute. In general, 54 percent think old people are cute.

Based on a survey of 162 people who dislike their neighbors and 699 people in general.

67 percent of people who bruise easily are fiction-lovers, compared with 49 percent of people in general.

Based on a survey of 189 people who bruise easily and 653 people in general.

67 percent of vegetarians have dyed their hair, compared with 44 percent of people in general.

Based on a survey of 91 vegetarians and 954 people in general.

Among people who are more likely to bury than flush a beloved pet fish, 50 percent are cat lovers, compared with 34 percent of people in general.

Based on a survey of 161 people who are more likely to bury a beloved pet fish and 599 people in general.

In general, only 26 percent of people say they're good singers. But among people who say they're good at imitating foreign accents, 52 percent also say they're good singers.

Based on a survey of 229 people who say they're good at imitating foreign accents and 643 people in general.

67 percent of people who prefer to be the "O" in tic-tac-toe support capital punishment, compared with 40 percent of people in general.

Based on a survey of 86 people who prefer to be the "O" in tic-tac-toe and 588 people in general.

In general, only 45 percent of people have been involved in scouting. But among people who have worn braces, 56 have been involved in scouting.

Based on a survey of 435 people who have worn braces and 884 people in general.

60 percent of people who prefer white noise when they sleep also prefer carbonated beverages, compared with 48 percent of people in general.

Based on a survey of 209 people who prefer white noise when they sleep and 646 people in general.

In general, 29 percent of people describe themselves as good dancers. But among people who have never dyed their hair, only 16 percent say they're good dancers.

Based on a survey of 386 people who have never dyed their hair and 678 people in general.

44 percent of people who regularly check their horoscope also floss regularly; in general, only 28 percent of people floss regularly.

Based on a survey of 67 people who regularly check their horoscope and 715 people in general.

49 percent of social conservatives prefer Leno to Letterman, compared with 31 percent of people in general.

Based on a survey of 230 social conservatives and 1224 people in general.

15 percent of people who dislike mayonnaise are good dancers, compared with 29 percent of people in general.

Based on a survey of 193 people who dislike mayonnaise and 593 people in general.

In general, 48 percent of people can burp at will. But of those who don't enjoy camping, only 33 percent can burp at will.

Based on a survey of 175 people who don't enjoy camping and 500 people in general.

38 percent of piano players have fainted in public, compared with 22 percent of people in general.

Based on a survey of 107 piano players and 482 people in general.

75 percent of people who can't type without looking at the keyboard prefer thin-crust pizza to deep-dish, compared with 59 percent of people in general.

Based on a survey of 119 people who can't type without looking at the keyboard and 613 people in general.

26 percent of people who have never ridden a motorcycle are multilingual, compared with 40 percent of people in general.

Based on a survey of 278 people who have never ridden a motorcycle and 608 people in general.