Answer to Question 1
The flu doesn't meet an important criterion associated with successful use of the N of 1 RCT. The flue is neither stable nor chronic; it can't be evaluated over time because it doesn't last long enough. A group design would be better because a researcher can evaluate different treatments over the relatively short course of the flu, without worrying that the symptoms would disappear before different treatments could be evaluated.
Answer to Question 2
A qualitative independent variable is one for which the various levels or conditions differ by category; the differences across group isn't one of more or less. On the other hand, a quantitative independent variable differs along a continuum, so you can say that one condition involves more or less of something.
Model of a nursing clinical decision support system
This engraving of the Boston Massacre (1770) became the most reprinted depiction of the event, and p
Jeremy Deller, A Good Day for Cyclists (painted by Sarah Tynan).
To help make good electrical contact with the terminals without doing any harm, select the ...
Good body mechanics for lifting heavy objects.
Good hand and body mechanics when applying thumb pressure to the back.