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The Children's Depression Inventory (CDI and CDI2) is a psychological assessment that rates the severity of symptoms related to depression or dysthymic disorder in children and adolescents. [1] The CDI is a 27-item scale that is self-rated and symptom-oriented. [ 1 ]
The following diagnostic systems and rating scales are used in psychiatry and clinical psychology.This list is by no means exhaustive or complete. For instance, in the category of depression, there are over two dozen depression rating scales that have been developed in the past eighty years.
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]
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.
"The Hamilton Rating Scale for Depression" (PDF). Archived from the original (PDF) on 2007-11-20 (49.0 KB) Clinically Useful Psychiatric Scales: HAM-D (Hamilton Depression Rating Scale). Accessed March 6, 2009. Hamilton Depression Rating Scale - Original scientific paper published in 1960 in Psychiatry out of Print website. Accessed June 27, 2008.
For example, the Depression scale has items involving physical, emotional, and cognitive content (as opposed to only questions about mood or interests). Each scale also assesses a range of severity for that scale; for example, the Suicidal Ideation scale has items that range from vague ideas about suicide to distinct plans for self-harm.
Multiple convenience and random samples, as well as research studies in both clinical and nonclinical sample [22] [1] [23] Internal consistency (Cronbach's alpha, split half, etc.) Good Cronbach's alpha reported at .88 for measuring depression [22] Inter-rater reliability: Good Kappas range from .64-.81 for depression. [24] Kappa for anxiety is ...
This is because some questions are better at reflecting actual achievement of students, and some test questions are better at differentiating between the best students and the worst students. (Many questions will do both.) A criterion-referenced test will use questions which were correctly answered by students who know the specific material.