In this way the teacher is showing that they want to make improvements where needed. Teachers could put up a suggestion box, and they can hand out evaluation forms at different times of the year. This shows the students that continuous improvement is important.
On this Page. Overview. Depression is a serious medical illness and an important public health issue. Depression is characterized by persistent sadness and sometimes irritability (particularly in children) and is one of the leading causes of disease or injury worldwide for both men and women.
While major depressive disorder is the most common, other types of depression also exist based on additional specific symptoms. Clinical depression classifications include: 1  Major depressive disorder (MDD) â a period of two or more weeks in a depressed (low or sad) mood episode.ituational depression, however, is not a diagnostic depression classification and normally what the person is really experiencing is an adjustment disorder with depressive features. Adjustment disorders may include depression symptoms, but are short-term and are directly related to an outside stressor.