We’re often amused when dogs and their owners seem to look alike—both have lanky limbs or shaggy locks, say. A recent study has found that dogs resemble their owners in an entirely different way: their personalities actually tend to be similar.

His study had the owners of 1,681 dogs evaluate their own personalities, and their dogs’ personalities, on standardized questionnaires. He found that dogs and their owners share personality traits. A highly agreeable person is twice as likely to have a dog who is highly active and excitable—and less aggressive—than someone who is less agreeable. The study also found that conscientious owners rated their dogs as more responsive to training and neurotic owners rated their dogs as more fearful. By