Abstract: This paper introduces a repetitive nature of application of Pareto principle for test case prioritization. In software testing, situations demand effective resource and time utilization which forces the testing team to execute the test cases which uncover more number of bugs. So, taking the Pareto Principle we apply the 80-20 rule in a repeated manner until a satisfiable state is reached. The proposed mechanism precisely does what it is modelled for, test case prioritization.

Keywords: Pareto Principle, Testing, Prioritization, Bugs, Iterative