This is how you train service dogs there is a session that you have to take for 12 days and the child and two guardians have to attend in order to start this process this evidence was sited from paw4ability (website). They are train to make their disability less painful and harmful/serious stated from paws4ability (website).
The dogs benfit people with disabilities. By opening closing door, flipping lights off and on , lead people that is blind that information is from types of service