Writing the review
You've gathered all of the information you need, and now it's time to put pen to paper. It's time to write the employee review for each one of your team members. Start by looking at the calendar and getting honest. With no less than one week to go, sit down and start writing. Be sure to plan for about two hours of work per direct report. To begin, let me give you a useful strategy for writing each review. Most people want to start by filling in all of the quantitative ratings that need to be provided. Don't do that. Instead, I want you to look at each section of the review individually and start by writing the narrative statements that you're allowed or required to add.
I'm referring to the spaces for personal commentary that most evaluations allow for. Starting with each section's narrative is smart for two reasons. First, this type of writing asks you to act on your overall or summary feeling about the employee. It's about intuition and what your gut says. Second, forcing yourself to think about the person.Source: https://www.linkedin.com/learning/performance-review-foundations/writing-the-review