What Is Dass-21 Questionnaire?

What Is Dass-21 Questionnaire? The Depression, Anxiety and Stress Scale – 21 Items (DASS-21) is a set of three self-report scales designed to measure the emotional states of depression, anxiety and stress. Each of the three DASS-21 scales contains 7 items, divided into subscales with similar content. Is DASS 21 a screening tool? Overall, the