It's December, which means that year-end reviews are likely underway at your company. A common part of most year-end reviews is the employee self-assessment.

Breaking down your accomplishments and failures from an entire year can be daunting. We've put together our tips to help you make the most of your employee self-assessment.

For starters, don't be shy. This is your chance to let your boss know everything you've accomplished. There is no room for false modesty, here. It's OK to boast, as long as it's not at the expense of a colleague.