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.
Steps 1 - 3 of regression and correlation analysis give us information about the form, direction and strength of the relationship between two variables. In simple linear regression and correlation analysis, it is assumed that the two variables are numerical and that the form of the relationship is a straight-line.