There is a negative correlation between the mathematics and reading gender gaps, that is, nations with a larger mathematics gap have a smaller reading gap and vice versa.
Substance dependence | Spearman's rank correlation coefficient | Pearson product-moment correlation coefficient | Repeal of Act for Securing Dependence of Ireland Act 1782 | National Council on Alcoholism and Drug Dependence | Physical dependence | Pearson's correlation coefficient r | Correlation coefficient | Correlation and dependence | Weighted correlation network analysis | Temperature dependence of liquid viscosity | Priesthood Correlation Program | Correlation trading | correlation does not imply causation | correlation coefficient | Canonical correlation |
In 1999, a study by the journal Copeia reported that there may be a correlation between the dams of beavers and how close the fishes' habitat are to these dams.