|Target audience||Adolescents (13 years and older) & Adults|
|Application||The Beck Depression Inventory – Second Edition (BDI-II) is a 21-item self-report instrument for measuring the severity of depression in adults and adolescents aged 13 years and older. During the last 35 years, the BDI has become one of the most widely accepted instruments for assessing the severity of depression in diagnosed patients and for detecting possible depression in normal population.|
|Composition||Each item of the BDI is rated on a 4-point scale of distress (0-3), in terms of severity. Maximum score is 63.|
|Scoring||The instrument can classify four different levels of depression:|
• Minimal depression
• Mild depression
• Moderate depression
• Severe depression
Subscales that have been identified are:
|General||The BDI-II has been rated to be a sufficient reliable, sensitive, and valid questionnaire. The questionnaire is sensitive to treatment effects.|
Beck, A.T., Steer, R.A., Brown, G.K. (1987). BDI-II Beck Depression Inventory – Second Edition. Manual. Administration, Scoring, and Procedures Manual. Bloomington: PsychCorp.
© 1996, 1987 Aaron T. Beck. All rights reserved.