Rarely is role playing viewed as the effective and useful coaching tool that it is. When set up and used correctly, role playing is one of the most helpful ways to train and develop your employees.
Correlation analysis is used primarily as a data exploration technique to reveal the degree of association in a set of matched data. This information can inform subsequent analyses of relationships between variables. In particular, correlation can indicate possible factors that confound a relationship of interest.
The researcher uses the F-test to test the significance of an observed multiple correlation coefficient. It is also used by the researcher to test the significance of an observed sample correlation ratio. The sample correlation ratio is defined as a measure of association as the statistical dispersion in the categories within the sample as a whole.