Ken is a highly skilled electrician, and Stacey is his new apprentice. When unexpected problems occur as they work on complex wiring projects, the MOST critical difference between their approaches in successfully completing the job is:

Ken's automatic processing.              

Explanation:

Automatic processing: In psychology, the term "automatic processing" is described as a sort of "muscle memory" i.e, when an individual starts doing something that he or she has already done it many times, and then he or she can complete or fulfil that task successfully in the absence of giving any thought. However, automatic processing can be disruptive in order to begin to think related to the process once it has been started automatically.

In the question above, the given statement represents Ken's automatic processing as he is a highly skilled electrician.

answer; i believe the correct answer is enlightenment;