According to a definition, “Critical Factor Analysis (CFA) is presented as an exploratory general model for uniting the sciences and the humanities through identification and use of critical factors common to both. Two primary and eight subordinate critical factors, with corresponding principles, are identified and placed in a model that can be used for prediction, analysis, and design of systems.” Basically, critical factor analysis is used to analyse the past process executions to identify the main factors determining specific process behaviors which is done with respect to the process metrics.