A subjective performance evaluation typically relates to intangible employee qualities and is based on subjective feedback from the manager as opposed to objective, measurable feedback.
People who have many episodes of major depression may also have periods of persistent but milder depressed mood. During a major depressive episode, thinking can get out of step with reality. The person has psychotic symptoms such as false beliefs (delusions) or false perceptions (hallucinations). Some people who have episodes of major depression also have episodes of relatively high energy or irritability.
There are several different types of clinical depression (mood disorders that include depressive symptoms): 1  Major depression is an episode of change in mood that lasts for weeks or months. It is one of the most severe types of depression.