A team of pediatricians recently announced that pet birds are more likely to bite children under age 13 than people of any other age group. The team's finding was based on a study showing that the majority of all bird bites requiring medical attention involved children under 13. The study also found that the birds most likely to bite are cockatiels and parakeets.
Which of the following, if true, would most weaken the pediatricians' conclusion that birds are more likely to bite children under
...
Which of the following, if true, would most weaken the pediatricians' conclusion that birds are more likely to bite children under
...