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Exact(10)
Depending on the item, between 59 and 358 subjects were included.
The 'medium' level reflects reported consumption of the item between 6 and 10 times in one week.
Overall stability rate of items were given by the proportion of subjects showing no response shift on the item between test and retest.
To establish a noticeable DIF between subsamples, the difference in difficulty of the item between the two groups (DIF contrast) should be at least 0.5 logits.
If DIF is present, then the observed group differences at least partially reflect something other than the latent variable, such as different interpretations of the item between different groups.
The other DIF item for social class P2 ' extent pain interferes with normal work' showed non-uniform DIF, with similar responses to the item between the groups over most of the low to mid range, but across the mid-range those in the lower social class group reported more limitations than those in the higher social class group.
Similar(50)
In Alternative Model 1, we divided the items between the two factors of lesson planning and reacting to student statements.
There is also a complication concerning the items between which causal connection must in law be shown to exist.
The reliability of the SLEDAI-2 K was demonstrated with an agreement for each of the items between 81.7 % and 100%% [ 3].
We found significant differences in this item between the SpR attitude groups (F = 7.649; p < 0.0001).
This makes the credit provider jointly liable with the retailer for anything you buy, provided the item costs between £100 and £30,000.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com