For many years, dog owners were told they needed to be the "alpha" of the household. You may have heard advice like: Eat before your dog. Walk through doorways first. Never let your dog win tug. Roll your dog onto their back if they misbehave. Show your dog who's boss. This advice became extremely popular and was based on something called Alpha Theory. The surprising part? The scientist who helped create the theory later admitted it was wrong. Where Did Alpha Theory Come From