Research shows "dog people" and "cat people" really do have different personalities.

The people who make pet food commercials figured out that dog lovers are more energetic and outgoing, while cat lovers are more introverted and sensitive.

The study, which involved 600 college students at Carroll University in Waukesha, Wisconsin, also found cat lovers scored higher on intelligence.

So if you're trying to decide between a dog or a cat, I guess it all depends.  Would you rather have a quiet companion while you read a book, or know that every time you come home it's gonna be a celebration.

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