But the most problematic correlation had to do with geography.
However, attempting to establish a degree of convergent validity presents the IELTS with the problematic issue of showing high correlation between sub-tests, although the constructs, traits, and skills identified as being tested are markedly different.
This situation has been described as 'appearing problematic' because there is a strong correlation between the ratio of OOP health expenditures to total health expenditures and the incidence of catastrophic health expenditures among households [ 21, 22, 25].
The results show a significant negative correlation between academic self-efficacy and problematic internet use, while the relation between problematic internet use and academic procrastination was not statistically significant.
More importantly, the high correlation between histone modifications is problematic for regression and some classification methods [ 47].
Once again patient selection in the use of cetuximab in NSCLC is problematic; in colorectal cancer there appears to be no correlation between EGFR expression and outcome.
Other, more detailed studies in mixed groups of critically ill patients designed to test whether the ScvO2 measurements could substitute for SvO2 demonstrated problematic large confidence limits [ 26] and poor correlation between the two values [ 27].
Thus, this may cause a stronger correlation between the different types of information regarding problematic individual behaviour as well as adverse family psychosocial characteristics.
Negative results are always problematic, as one cannot conclude that there will never be a correlation between growth rates and plateaus, just that we did not observe a correlation in this study.
Furthermore, the high correlation between energy intake and western dietary patterns may be problematic [ 8].
Coupled with the correlation between the two spectral components, comparing fit values directly is problematic.
