Skip to main content
. 2013 Jun 20;8(6):e66449. doi: 10.1371/journal.pone.0066449

Table 3. Pearson correlation coefficient between GDP per capita, spending on R&D as% of total GDP, number of universities, indexed journals and total number of research documents, citations per document, H-index in various science and social sciences subjects among Asian countries during the period 1996–2011.

Parameters Research Documents Citation per documents H-Index
GDP per capita US$ r = 0.050 r = 0.064 r = 0.189
p = 0.761 p = 0.694 p = 0.242
Spending on R&D r = 0.480 r = 0.429 r = 0.805
p = 0.002 p = 0.006 p = 0.0001
Universities r = 0.841 r = 0.063 r = 0.755
p = 0.0001 p = 0.699 p = 0.0001
Indexed journals r = 0.893 r = 0.085 r = 0.801
p = 0.0001 p = 0.602 p = 0.0001

r = Pearson correlation coefficient.

p = p-value.