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. Correlation analysis is a method for measuring the covariance of two random variables in a matched data set. Covariance is usually expressed as the correlation coefficient of two variables X and Y. The correlation coefficient is a unitless number that varies from -1 to +1.
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.