To the Editor: Regarding "Survey Finds Rudeness a Problem for Travelers" (Travel Advisory, Dec. 21), an additional stress that would lead to rude behavior by air travelers is being stranded at the airport.
However, there is a research gap regarding surveys and the digital documentation of Chinese classical gardens.
Research into factors affecting prevalence determination has shown that mobility, clustering, and seasonality should all be taken into account regarding survey design.
We also discuss how DGHR's methodological choices regarding survey sample and question design affect their inferences, including what we can infer about the prevalence and magnitude of earnings management.
Improvement in screening question performance should be based on findings of empirical research regarding survey ascertainment of sensitive or stigmatized risk behaviors.
See Additional file 2 for details regarding survey questions.
Details regarding survey procedures have been published [ 14].
Another example is a question regarding survey respondents' difficulties in using the toilet.
Lack of generalizability is particularly problematic regarding survey responses from Greece and Italy as only certain regions of these countries were surveyed.
The second point I find relevant to discuss regarding survey design is the proportion of the area effectively surveyed.
