The Beck Depression Inventory (BDI) is a 21-item, self-report rating inventory that measures characteristic attitudes and symptoms of depression). Individual questions of the BDI assess mood, pessimism, sense of failure, self-dissatisfaction, guilt, punishment, self-dislike, self-accusation, suicidal ideas, crying, irritability, social withdrawal, body image, work difficulties, insomnia , fatigue , appetite, weight loss, bodily preoccupation, and loss of libido.
This questionnaire consists of 21 points, each point contains of a number of statements. Please read the following carefully and select the one that best describes your health during the past two weeks, including today.