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Test-retest reliability of items with restricted variability was assessed using percentage agreement.
Items with restricted variability in responses had a high percentage agreement (92%-100%).
This was particularly necessary for items with restricted variability in responses for which it was not possible to compute an ICC.
Similar(57)
Items and scales with restricted variability and percent agreement greater than 80% were considered to have good reliability [ 27].
For HFS-B8, outfit was better than expected, and it was the least frequently strongly endorsed item with lower variability compared with other HFS-B items.
The single-item measures exhibited larger floor and ceiling effects because they consisted of only one item with a restricted number of response categories.
Unreliable items those with limited variability or high levels of missing data were eliminated.
This means that the LVQOL items show reasonable variability with respect to endorsement of response categories by patients from the whole disability continuum.
These items included documents with attachments or bindings with restricted openings.
"Thousands of residents were forced to evacuate their homes, leaving them with restricted access to essential daily items – including medical marijuana," the companies said in a press release.
Seven items had marked variability in responses; with the greatest number of incorrect answers they contributed the most strongly to the variability in overall scores.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com