How to Write a Performance Review Free — Generator & Tips (2026)
By Rui Barreira · Last updated: 18 June 2026
A well-written performance review does two things: it gives the employee a clear picture of how they are performing, and it creates a documented record that HR and management can rely on. Getting both right requires structure, fairness, and specificity.
What a good performance review includes
Every review should cover the review period explicitly (so there is no ambiguity about the timeframe), a rating tied to defined criteria, at least two concrete accomplishments with business impact, at least one area for development, and a forward-looking recommendation. Vague reviews — "good attitude, works hard" — give employees nothing to act on and expose organisations to legal risk if a rating is ever challenged.
The SBI model for constructive feedback
Situation–Behavior–Impact (SBI) is the most reliable framework for giving feedback that lands well. Describe the Situation (when and where it happened), the observable Behavior (what the person actually did, not your interpretation of their motives), and the Impact on the team, project, or business. For example: "During the Q3 migration sprint (Situation), you proactively flagged a schema conflict before it reached staging (Behavior), which prevented a two-day rollback that would have delayed the launch (Impact)." This pattern is hard to argue with because it is factual, not characterological.
Avoiding bias in reviews
Recency bias — overweighting the last month of a review period — is the most common distortion. Counteract it by keeping a running log of notable events throughout the year. Halo and horn effects (letting one strong or weak trait colour the whole rating) are countered by rating each competency independently before writing the narrative. Avoid gendered language patterns: research consistently shows that women receive more feedback about personality traits ("collaborative", "aggressive") while men receive more feedback about outcomes. Focus on results and behaviours, not style.
Ratings versus narrative
A numerical rating provides calibration data across the organisation; the narrative provides the context that makes that number meaningful. Do not let them contradict each other. If you give a 4 but the narrative only mentions problems, the employee will ignore the number and focus on the criticism — or vice versa. Align the tone of the narrative to the rating before finalising.
Legal considerations
Performance reviews are legal documents. Keep them. Document performance issues in writing at the time they occur, not retrospectively. Never include references to protected characteristics (age, gender, disability, nationality, family status). If a review might support a termination or demotion, have HR review it before delivery. Retain records for at least the duration required by local employment law — typically three to seven years.
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Frequently Asked Questions
- What is the SBI model for performance feedback?
- SBI stands for Situation–Behavior–Impact. Describe the Situation (when/where), the observable Behavior (what the person did, not your interpretation), and the Impact on the team, project, or business. This pattern is hard to argue with because it is factual, not characterological.
- How do I avoid bias in reviews?
- Counter recency bias by keeping a running log of notable events throughout the year. Counter halo/horn effects by rating each competency independently before writing the narrative. Avoid feedback about personality traits — focus on results and behaviours.
- Are performance reviews legal documents?
- Yes. Keep them. Document performance issues in writing at the time they occur, not retrospectively. Never include references to protected characteristics (age, gender, disability). Retain records for the duration required by local employment law — typically 3–7 years.