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The key difference between Mokken scales and Rasch scales is that the latter assumes that all items have the same item response function. In Mokken scaling the Item Response Functions differ for different items. [5] Mokken scales can come in two forms: first as the Double Monotonicity model, where the items can differ in their difficulty.
The HADS is a 14-item scale, with seven items relating to anxiety and seven relating to depression. [2] Zigmond and Snaith created this outcome measure specifically to avoid reliance on aspects of these conditions that are also common somatic symptoms of illness, for example fatigue and insomnia or hypersomnia .
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.
Subscale scores add all scores on the items in the subset and divided by the total number of items in the subset. Subscale score cutoffs for the disorders are as follows: ADHD inattentive type: Teacher score of 2.56, parent score of 1.78. ADHD hyperactive/impulsive type: Teacher score of 1.78, parent score of 1.44.
The Wechsler Memory Scale (WMS) is a neuropsychological test designed to measure different memory functions in a person. Anyone ages 16 to 90 is eligible to take this test. The current version is the fourth edition (WMS-IV) which was published in 2009 and which was designed to be used with the WAIS-
The scale is a 90-item inventory that has a 10 subscales measuring interpersonal Relationship dimension, the Personal Growth, and the System Maintenance. [2] [3] The Relationship dimension includes measurements of cohesion, expressiveness, and conflict. Cohesion is the degree of commitment and support family members provide for one another ...
Each item yields a score of 0 to 6; the overall score thus ranges from 0 to 60. [4] Higher MADRS score indicates more severe depression. Usual cutoff points are: 0 to 6: normal [5] /symptom absent [4] 7 to 19: mild depression [4] [5] 20 to 34: moderate depression [5] 35 to 60: severe depression. [5]
The scale measures aspects of the level of intervention required by carers (for example, verbal prompting), observations related to feeding (for example, spillage) and behavioural aspects (for example, refusal to eat). The items are scored on a three-point Likert type scale from ‘0’ (never) to ‘3’ (often) observed items on the scale. In ...