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The items of the mental component had item-rest correlations.40 ≤ r ≤ .62.62
Figure 1a and b display the distributions of two sample items of the mental component, Fig. 1c the score for mental component.
Only two items of the mental health and functionality domain did not comply with the requirements for adequate functioning of rating scale categories.
When items of the mental health domains were analyzed further, the group 1 patients had higher scores on all the items, including role limitation, vitality, mental health, and social functioning.
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Then cross-loading of this item on the mental symptoms scales would be specified and evaluated in the combined model.
In addition, there were significant differences between the two groups on every item of the mental health component.
The third item of the mental component assesses social contact – the score had only a moderate correlation to the SF-36 scale "Social Functioning".
The SIDAM test performance part consists of a range of cognitive tests which constitute a short neuropsychological battery with 55 questions including all items of the Mini-Mental State Examination (MMSE; [ 17]) which were used to measure cognitive function.
Such a pattern was demonstrated for the items of the Mini-Mental-Status Examination [ 23, 24], repeating of words is task with an early ceiling effect and delayed recall of memorized words is a task with an early floor effect.
An illustration of ordinal item analysis confirmed that all 14 positively worded items of the Warwick-Edinburgh Mental Well-being Scale (WEMWBS) met criteria for the monotone homogeneity model but four items violated double monotonicity with respect to a single underlying dimension.
Similarly, the two items from the mental health dimension of SF-12 had 6 response categories in the current study and 5 in the reference sample.
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CEO of Professional Science Editing for Scientists @ prosciediting.com