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Differences in difficulties associated with landmark identification and placement on darker complexions were noted.
There were no significant differences in difficulties with mask use between the P2 and surgical mask groups, but >50% reported concerns, the main one being that wearing a face mask was uncomfortable.
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"However, they will be reassured by the rigorous approach Ofqual has taken to addressing the concerns around the differences in difficulty between the different boards.
Instead, reaction times were recorded to control for differences in difficulty between mental rotation of objects from different categories.
The differences in difficulty levels across course types then works to dissuade individuals with relatively worse academic backgrounds from persisting in natural science, engineering, or economics majors.
This design ensures that any observed effect is due to the interruptions rather than any differences in difficulty across CT scans.
Thus, by examining the difficulty of item tiers, we can understand whether the tiers demonstrate differences in difficulty, and by extension, if one cognitive skill is easier or harder for students.
They found significant differences in difficulty between 3- and 4-, and between 3- and 5-option versions of the three tests adapted to produce the different option versions, but found no differences between the 4- and 5-option versions.
Our purpose was to examine the relationships among items in two-tier multiple-choice (TTMC) items, to compare if there were any systematic differences in difficulty according to tier, according to content, or as a combination of these.
If the tests were not constructed from banks of trialled items, then there may have been differences in difficulty that exerted a greater influence on overall pass-rates than that of the language component, as revealed in this study.
If many subjects had resorted to guessing in order to finish quickly, this would have reduced the effect that any inherent differences in difficulty between the two tests would have had on the results.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com