What are the advantages and disadvantages of using a Cause and Effect diagram and Pareto Analysis in terms of analyzing quality issues?
Using the Cause-and-Effect Diagram for Analyzing Quality Issues
Cause & Effect (CE) diagrams, also referred to as ‘fish bone’ diagrams, are a tool for discovering and analyzing all/any of the possible causes for a certain effect in activities/problems within a company. The effect being examined is usually an important area of a merchandise, material or product and customer or business service quality overall. Specific problems will involve machinery, parts defects, delivery times, schedule of such delivery times, unraveling bugs, and viruses, etc. in the development and software. Specifications problems, such as ‘a machined part not to specification’, ‘delivery times varying too widely’, and ‘excessive number of bugs in software under development’, will all have a great potential to affect the company’s entire internal processes, the way they do everything; low sales, team failures and loss in productivity, control, clientele, and all aspects. The main advantages are: