6. Staying accountable.
The best employees follow through on all the commitments they make to their teams.
Zenger and Folkman say it's not just forgetfulness when you fail to make good on your word — it's dishonesty, and it can make you seem less competent.
To hold yourself accountable for all your promises, it's important to identify your motivation, or a clear reason why the task should be done, writes Kevin Daum at Inc. You'll also want to be aware of the consequences both for completing the task and leaving it unfinished. Lastly, he suggests, make sure you have a one-page plan in place, complete with deadlines, for achieving your goal.