You've probably noticed it at playdates or birthday parties—some kids light up when they see a dog, while others gravitate toward cats. It's easy to assume this is just random preference, but what if it actually reveals something about their personality? Turns out, there's real research on this. The catch? Most of it is about adults, not kids. The Adult Research Is Clear In 2010, psychologist Samuel Gosling at the University of Texas studied 4,565 people who identified as dog people, cat people, both, or neither. The personality differences were real and significant. Dog people were found to be: 15% more extroverted than cat people 13% more agreeable 11% more conscientious (organized, disciplined, achievement-oriented) Cat people were found to be: 12% more neurotic (meaning more emotionally sensitive or anxious, not "crazy"!) 11% more open to new experiences (creative, philosophical, nonconventional) A 2014 study at Carro...