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The reliability scores of the scales in terms of Cronbach's alpha scores rate the Depression scale at 0.91, the Anxiety scale at 0.84, and the Stress scale at 0.90 in the normative sample. The means and standard deviations for each scale are 6.34 and 6.97 for depression, 4.7 and 4.91 for anxiety, and 10.11 and 7.91 for stress, respectively.
Hamilton Rating Scale for Depression (HAM-D) Hospital Anxiety and Depression Scale (HADS) Kutcher Adolescent Depression Scale (KADS) Major Depression Inventory (MDI) [8] [9] Montgomery-Åsberg Depression Rating Scale (MADRS) Patient Health Questionnaire (PHQ) Mood and Feelings Questionnaire (MFQ) Weinberg Screen Affective Scale (WSAS) Zung Self ...
Some depression rating scales are completed by patients. The Beck Depression Inventory, for example, is a 21-question self-report inventory that covers symptoms such as irritability, fatigue, weight loss, lack of interest in sex, and feelings of guilt, hopelessness or fear of being punished. [11]
A number of researchers have explored HADS data to establish the cut-off points for caseness of anxiety or depression. Bjelland et al (2002) [3] through a literature review of a large number of studies identified a cut-off point of 8/21 for anxiety or depression. For anxiety (HADS-A) this gave a specificity of 0.78 and a sensitivity of 0.9.
Symptom and attitude tests are more often called scales. A useful psychological test/scale must be both valid, i.e., show evidence that the test or scale measures what it is purported to measure, [1] [4]) and reliable, i.e., show evidence of consistency across items and raters and over time, etc.
The Beck Anxiety Inventory (BAI) is a formative assessment and rating scale of anxiety. This self-report inventory, or 21-item questionnaire uses a scale (social sciences); the BAI is an ordinal scale; more specifically, a Likert scale that measures the scale quality of magnitude of anxiety. [1]
The Brief Psychiatric Rating Scale (BPRS) is a rating scale which a clinician or researcher may use to measure psychiatric symptoms such as depression, anxiety, hallucinations and unusual behaviour. The scale is one of the oldest, most widely used scales to measure psychotic symptoms and was first published in 1962. [1]
The Daily Assessment of Symptoms – Anxiety (DAS-A) questionnaire was specifically developed to detect reduction of anxiety symptoms in patients with generalized anxiety disorder (GAD) during the first week of treatment. [1] It is also meant to help those suffering from certain symptoms identify and recognize that they are experiencing anxiety.