Answer:
Your 43-year-old uncle has his own automobile repair shop. Whenever you have car problems, all you have to do is describe the noise that your car is making and he can accurately diagnose the problem on the phone. Psychologists would argue that this is an example of his expertise.
Step-by-step explanation:
Expertise refers to the mechanisms underlying the superior achievement of an expert i-e one who has acquired special skill in or knowledge of a particular subject through professional training and practical experience.
Hence according to the mentioned definition, psychologists would argue that this is an example of his expertise.