When the thought required for an action has become routine, and ...

[Alainaaa8]

When the thought required for an action has become routine, and it appears that most aspects of the task are performed instinctively, the performance of the task is
 
  automatic.
  optimized.
  compensated.
  efficient.

Question 2

Compared to novices, experts
 
  work more slowly.
  are less flexible.
  are more intuitive.
  exhibit each of the qualities listed in the responses.

[medine]

Answer to Question 1

automatic.

Answer to Question 2

are more intuitive.

[Alainaaa8]

Thanks for the timely response, appreciate it

[yeungji]

Excellent