A manager doing performance appraisals gives more weight to recent employee behaviors than to behaviors of six or nine months earlier. This shows that the manager's perception is affected by a(n) bias. distinction hindsight impact availability self-serving bias

Availability bias

Explanation:

A manager has a very critical responsibility to evaluate employees from time to time. In that regard, the manager should not be bias otherwise it can badly affect the overall performance of a firm or organisation. In the above example, the manager's perception is affected by availability bias; it is a problem in which managers feel that available data is sufficient to form a conclusion.