Which of the following is the primary difference between a major depressive episode and major depressive disorder?
A major depressive episode lasts from 1 day up to 2 weeks, whereas major depressive disorder must last at least 1 month.
Major depressive disorder involves symptoms tied to mood changes following the death of a loved one, whereas a major depressive episode is focused on daily stressors.
A major depressive episode involves persistent sad or low mood, but major depressive disorder can also involve mania.
A major depressive episode is not a psychological diagnosis, whereas major depressive disorder is.