Stack ranking is a performance evaluation method that measures employees against one another and forces them into categories of top, middle, and bottom performance.
Positives of stack ranking include that it celebrates high-performers and reduces potential bias. Potential downfalls of stack ranking include unhealthy competition, an absence of core values assessment, it can create an anxious workplace, there is often a lack of consideration of additional performance factors, and it can lead to high turnover costs.
Best practices include transparency and fairness, clear performance expectations, and communication.