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Cheng (2010) mentioned that there are four elements of an item in which difficulty may reside: the content to be assessed, the stimulus (the accompanying things that come with the question, e.g. tables or diagrams), the task to be performed, and the expected response.
The best evidence available is from a meta-analysis of 50,760 patients in which difficulty at laryngoscopy occurred in 5.8% (95% CI 4.5 – 7.5) of subjects [ 10].
Similar(56)
Officials could not cite specific examples in which difficulties in obtaining a subpoena had slowed a terrorism investigation.
Due to the symmetric distribution of velocity components of this scheme, the convergence rate and numerical accuracy are not affected by grid orientation, in contrast to a scheme proposed in the literature in which difficulties arise when the grid lines turn 90° from the Cartesian coordinates.
In cases in which difficulties existed in fibroblast identification, we recurred to coloration for vimentin and smooth muscle actin.
24 We have entered a contentious and underexplored area of research in which difficulties will continue to emerge.
We expanded these to help us better understand the circumstances in which difficulties occurred and might be managed.
Here we present a case in which difficulties in ascertaining the organellar mtDNA sequence from modern samples hindered their comparison to ancient DNA sequences.
Although just one of a wide range of patient-safety measures, narrative supervision helps create a safer culture in which difficulties are discussed, questions asked and hierarchies flattened.
As well, individuals could draw a greater benefit from examples in which difficulties were overcome by perseverance rather than from examples of easier tasks carried out by expert models.
The cross-sectional study design does not allow for the possible detection of progression of pre-cancerous cases but because of ethical issues, we could not postpone the treatment, especially as this study was conducted in a low-resource setting in which difficulties in recalling the women are usually much higher and loss in follow-up is expected to be high.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com