Beck's Depression Inventory. This depression inventory can be self-scored. The scoring scale is at the end of the questionnaire. Scoring: No diagnostic cutoff. Highest possible score is 33. The higher the score the more severe the depressive symptoms. Product OVER THE LAST WEEK, HOW HAVE YOU BEEN "ON AVERAGE" OR "USUALLY" REGARDING THE FOLLOWING. ITEMS: 1. Low mood, sadness, feeling blah or down, depressed, just can' Self-report instruments commonly used to assess depression in adolescents have limited or unknown reliability and validity in this age group.Initial assessments of depressive symptoms can help determine possible treatment options, and periodic assessment throughout care can guide treatment and Feeling down, depressed, irritable, or hopeless? Guidelines for Adolescent Depression in Primary Care. Version 2, 2010.