Vicki is an information systems manager and supervises ten employees. Vicki believes that one particular programmer, Ken is the best in the department developing new software and is a very likeable person. Based on this impression, Vicki gives Ken high performance ratings on the appraisal dimension of "Decision Making", "Getting along with Peers" and "Leadership Potential". What rating error has Vicki committed? Question 15 options: Halo error Horns error Bias error Validation error