Research Important studies on the behaviour and training methods of service animals were done in the 1920s and 1930s by Jakob von Uexküll and Emanuel Georg Sarris. They studied the value of service animals and introduced advanced methods of training. There have also been important studies into the discrimination experienced by people that use service and assistance animals.
research important studies on the behaviour and training methods of service animals were done in the 1920s and 1930s by jakob von uexküll and emanuel georg sarris they studied the value of service animals and introduced advanced methods of training there have also been important studies into the discrimination experienced by people that use service and assistance animals