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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 mean scores in the normative sample did vary slightly between genders as well as varying by age, though the threshold scores for classifications do not change by these variations. [ 1 ]
CAS development began with an attempt to offer an alternative to the IQ test (Das, Kirby & Jarman, 1975, [1] 1979 [2]).Developed and published in 1997 by J.P. Das, PhD of the University of Alberta and Jack Naglieri, PhD, then at Ohio State University, the CAS has its theoretical bases both in the neuropsychology of Luria as well as in cognitive psychology.
[2] [3] Alternatively, the Montgomery-Åsberg Depression Rating Scale (MADRS) features ten items to be completed for the purpose of assessing the effects of drug therapy, [2] [4] Another scale is the Raskin Depression Rating Scale rating the severity of the patients' symptoms in three areas: verbal reports, behavior, and secondary symptoms of ...
The Differential Ability Scales (DAS) is a nationally normed (in the US), and individually administered battery of cognitive and achievement tests. Into its second edition (DAS-II), the test can be administered to children ages 2 years 6 months to 17 years 11 months across a range of developmental levels.
It is a self-administered paper-and-pencil test that is freely available in the public domain. [1] The SPAQ can be downloaded. [2] The questionnaire asks subjects to score the amounts of seasonal changes they have experienced in sleep, socialization, mood, weight, appetite and energy.
The Generalized Anxiety Disorder 7-item scale (GAD-7) is a widely used self-administered diagnostic tool designed to screen for and assess the severity of generalized anxiety disorder (GAD). [1] Comprising seven items, the GAD-7 measures the frequency of anxiety symptoms over the past two weeks, with respondents rating each item on a scale from ...
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.
Using the Likert scale the response choices are given the values 0, 1, 2, and 3 respectively. [7] [8] When a participant completes the questionnaire the values of their responses are then summed to give a final score between 0 and 180. Using the GHQ scale, the response choices are given values of 0, 0, 1, and 1 respectively. [7] [8] In this ...