True competence is an accurate reputation that is based on your intelligence, your expertise and your knowledge. People create perceived confidence in themselves by using certain tactics, like dressing in the appropriate uniform: a white lab coat or a suit and tie.
Perceived competence is tricky. Hence, you have to be careful in how you explain your competence. If you launch into a laundry list of your accomplishments or of your education and titles, you might be perceived as a braggart. Take advantage of less direct or less self-proclaiming ways to show your prospects your competence. For example, you can hang your degrees on the wall, have someone else give a brief bio in her/his books introduction or have someone else offer her/his recommendation.
We consider others to be competent when we see them continually learning and advancing their training and education, being successful in what they do or having a strong track record with all the people they have worked with. Ultimately, genuine competency comes down to either you know it or you dont. Can you deliver what people are looking for? The dictionary definition of competence is the quality of being...