Beck's Depression Inventory II

"The BDI-II is a widely used 21-item self-report inventory measuring the severity of depression in adolescents and adults.

The Beck Depression Inventory II (BDI-II) is widely used as an indicator of the severity of depression. The studies provide evidence for its reliability and validity across different populations and cultural groups. It has also been used in numerous treatment outcome studies and in numerous studies with trauma-exposed individuals.

The Beck Depression Inventory (BDI) assessment evaluates key symptoms of depression including mood, pessimism, sense of failure, self-dissatisfaction, guilt, punishment, self-dislike, self-accusation, suicidal ideas, crying, irritability, social withdrawal, indecisiveness, body image change, work difficulty, insomnia, fatigability, loss of appetite, weight loss, somatic preoccupation, and loss of libido."