On the other hand, in most studies, only a very small number of replicate experiments are performed, making statistical testing an intrinsically difficult task.
Second, we run tests to ensure that the variance of the error terms is not unevenly distributed, or heteroskedastic, as this makes statistical tests less efficient.
Where multiple comparisons are being made for statistical testing (e.g. data from adjacent ROIs), the critical P-value was corrected by the Holm Bonferroni method.
These findings may not be suitably reflected by statistical comparisons, as our relatively small number of investigative sites resulted in large standard deviations which made formal statistical testing somewhat challenging.
For the SWLS scale, the results were also presented in another form, with division into categories of quality of life and acceptance of disease, using the chi-squared independence statistical test making statistical conclusions (Table 7).
I did not test this correlation for joining time in the large group, since group members rarely moved all together, and the number of values with a similar number of followers was too weak to make the statistical testing of this correlation possible.
A limitation of this study, given the number of comparisons made and statistical tests performed, is the issue of multiple testing.
Adjustments for measurement error must be made before statistical tests can be used to empirically compare environmental data with model predictions.
Student's t-test was used to make statistical comparisons.
Similar patterns were apparent in the majority of the investigated organisms holding a sufficient number of IS elements and pseudogenes make statistical relevant (p < 0.05) differences (Wilcoxon test), such as N. punctiforme, all Frankia species except Frankia ACN, and most Cyanothece.
