In the Context of Subjective Effects of Employee Appraisals,which of the Following

In the context of subjective effects of employee appraisals,which of the following best defines availability bias of appraisers?

A) It occurs when the appraisers place too much emphasis on their first impressions of the employees and are not likely to change it.
B) It is evident when the appraisers use one piece of known information to generalize about an employee's performance on matters where no information is available.
C) It is evident when the appraisers rely too much on memorable information to make judgments and ignore other fuller information.
D) It occurs when the appraisers make judgments about an employee in comparison to a typical image they have of a successful employee.