Final answer:
The statement uses an appeal to authority, as it relies on the expert opinions of veterinarians to convince the audience that a German Shepherd is suitable for active individuals.
Step-by-step explanation:
The statement "Veterinarians say that a German Shepherd will be the perfect match for people with active lifestyles" employs an appeal to authority. This type of appeal, also known as an authoritative appeal or ethos, uses the opinion or position of an authority figure, or expert, to persuade the audience. In this case, the appeal is to the expert opinion of veterinarians, suggesting that their professional insight and knowledge about dogs lends credibility to the claim that a German Shepherd is an ideal choice for individuals who lead an active lifestyle. This sort of persuasive technique is often used to convince an audience by indicating that the recommendation or claim being made is backed by experts or specialized knowledge. As seen in the training and domestication of dogs, expert knowledge plays a crucial role in understanding and shaping the behavior of animals. The detailed training service dogs receive, as described in your reference information, shows how a credible process influences the development of these animals into reliable companions for specific human needs. This reflects the importance of credibility and authority when conveying information or persuading an audience.