When Evaluating Staff, it is Important to Keep these Common Rater Errors in Mind
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As leaders go into a performance review window, it is important that you review these 6 rater biases when reviewing employees.
The Halo Effect
strong rating in one section, so you lean towards mimicking it for another section
The Central Tendency
rating in the middle of the road
The Leniency Effect
rating based on the notion of what you feel they "meant to do"
The Similarity Effect
rating based on the likelihood of past performance as their present performance
Consistency/Confirmation
seeking evidence based on your impression vs. fact and observation
Context Effect
giving a rating based on overall school observations vs. solely on the teacher