Joe is a middle-aged auto mechanic. he is able to easily learn new repair techniques and can identify problems in cars very quickly. he is learning to use a computer for the first time at home, and his learning is very slow. according to hoyer, joe's ability to repair cars has become

I believe the answer is: Encapsulated

According to hoyer, encapsulated skills refers to a situation when we become an expert in doing a specific activities due to our experiences.
Encapsulated skills came from thousands of hours of training a certain skill over and over again to the point where it might be considered as a habbit.