Imagine a dog who hates nail trims, tries to bite the veterinarian when getting vaccinated, and goes berserk when a stranger enters the house, focusing all of its attention on food at the bottom of a box instead of any of the other three conditions.
Imagine a dog who hates nail trims, tries to bite the veterinarian when getting vaccinated, and goes berserk when a stranger enters the house, focusing all of its attention on food at the bottom of a box instead of any of the other three conditions.