An expert is a person so skilled at a task that others marvel. **Interestingly, experts at many types of activities share certain key characteristics.** First, they are intuitive. Expert doctors, for example, have so much knowledge that they may instantly know what's wrong with a patient without having to think it through. Also, experts perform many tasks automatically because they have repeated actions so many times. Basketball players who can score many three-point shots in row are a prime example of this. Perhaps the most important quality of experts is that they have more and better strategies for accomplishing a task than do non-experts. An expert painter, for example, has developed an efficient and effective way to paint so that no energy or time is wasted. For frustrated non-experts, one comfort is that expert behavior, with time and practice, can be learned. How many major supporting details are in the paragraph above