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Questions related from Roger Keller Celeste
Some research topics are very specific within their fields, but research agencies general need to have broad statements and need to support all areas. If we look closely to the amount of grants in...
08 August 2016 7,860 4 View
Bradford's law of scattering tell us that, it we rank journals according to the number of articles in a specific field, the top 1/3 can be considered "core journals". This only describes core...
02 February 2015 5,749 3 View
Here an example of a paper that has been withdraw because it had already been...
12 December 2014 8,751 0 View
It is easy to go to epidemiological book to see how to plan a cohort study. The traditional design is not at issue nowadays (we do not have groups formed based on exposure), but many old problems...
10 October 2014 6,986 2 View
If it is because people with some illness tend to become concerned with their condition, then I could rephrase to: why does being concerned with health affect your quality of life? Is it because...
07 July 2014 4,512 4 View
I work with effects of contexts like the place of residence, and use different softwares that fit multilevel models (R, Stata, MLWin, Mplus). Almost any software does this analysis, nowadays (SAS,...
11 November 2013 4,443 8 View
This is one of the most used instruments to measure oral health related quality of life but it has been used in many different ways. Some researchers used only the frequency score, others multiply...
09 September 2013 9,673 2 View
A recent article (below) has challenged the "multidimensionality" of a popular instrument. Actually, people are used to calculate just one overall score, implying just one factor, so it does not...
09 September 2013 2,012 9 View
Since Titmus and Esping-Andersen, we have always categorized three types of welfare regimes among developed countries. Could we expand this to Asian, Afrian and Latin-america countries? Would such...
12 December 2012 621 2 View
There is a newspaper material explaining the above cited...
01 January 1970 1,022 3 View