What Is Rater Effect?

12/16/2020. Rater biases are conscious or unconscious tendencies that affect how supervisors rate their employees.

What is an example of rater bias?

Rater biases can come about consciously or unconsciously. They are tendencies that affect how managers rate their employees unrelated to actual performance, they are also called "Idiosyncratic Rater Effects." Here are some of the more common examples: Averaging ratings closer to the middle because "no one is perfect"

What is rater bias and error?

Rater bias refers to an error in judgment that can occur when an individual allows their pre-existing biases to affect the evaluation of another. This is a common issue when it comes to employee performance reviews and is a hazard of any rating system that is difficult to eliminate but not impossible to manage.