Correlation is a measure of relationship between two variables. It has wide application in business and statistics. Correlation analysis is used to describe the strength and direction of the linear relationship between two variables.
Once it has been decided that a research be conducted to solve the problem, the researcher would develop a plan or a theoretical framework. Theoretical framework help identify the factors that are important to the study and aik in development of the hypothesis.
All these now form a major portion of the research and books written in HR. This does highlight an important phenomenon that Businesses and People have evolved, so the subject area. The changing nature of business, bombardment of information onto the customers, increased need for more skilled employees, all have contributed to this immense change that is being witnessed in HR.