ValutareResearch Brief
Why Ratings Fail
The psychology and statistics behind unreliable performance ratings.
62%of rating variance comes from the rater
14%of employees say reviews inspire them to improve
7 pages
What you'll learn
- Why 62% of rating variance comes from the rater, not the ratee
- The cognitive biases that contaminate every rating system
- What calibration sessions actually accomplish (and don't)
- Alternative approaches backed by organizational psychology
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