To study shyness in dogs, Dr. Kaynine puts dogs that get excited when you try to pet them in one group and dogs who lick your hand when you try to pet them in another. Dr. Kaynine is using a method of research known as the:

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The Answer of To study shyness in dogs, Dr. Kaynine puts dogs that get excited when you try to pet them in one group and dogs who lick your hand when you try to pet them in another. Dr. Kaynine is using a method of research known as the:

To Study Shyness in Dogs, Dr