If you want to learn how to evaluate yourself, it isn't a difficult concept to master. Whether it be personal or work related, honesty is always the best policy. If you are asked to evaluate yourself, then make sure to leave your co-workers out of it. The boss wants to hear about your job skills, not theirs. To learn more about how to evaluate yourself, you can look here: http://www.simpleevaluation.com/2011/05/sample-self-evaluation-comments/.