After William's boss asked him to compile sales figures for the past three years, William pulled together the information and turned it over to his boss. After several days of not getting any feedback from his boss, William worried that he hadn't done a good job in presenting the information. William is demonstrating .

Low Self esteem

Explanation: A person with a low self esteem is characterized by the following : they lack confidence

Then feel unworthy and don't trust themselves and their own abilities.

Thinks a person who feel incompetent.

For example William is not confident in his own work and probably doesn't feel competent otherwise he would have felt that he did good in his work, the only delay may just be because the boss is busy.