![]() The 80-20 rule can help you decide what to redesign, what parts of a product or your time to downplay, what to throw away, or where to invest your scarce resources. Or identify what critical 20 percent of a product’s features are responsible for 80 percent of the revenue and concentrate on that. Identify what 20 percent of a products features are used 80 percent of the time and concentrate design and testing efforts on those resources. Use the 80-20 rule to focus your resources in order to realize greater results. 80 percent of errors are caused by 20 percent of the components.80 percent of progress comes from 20 percent of the effort.80 percent of innovation comes from 20 percent of the people. ![]() ![]() 80 percent of a company’s revenue comes from 20 percent of its products.80 percent of a town’s traffic is on 20 percent of its roads.80 percent of a product’s usage involves 20 percent of its features.There are plenty of examples of 90-10, 70-30, and 95-5 rules to underline the non-exactness of the 80-20 rule while also emphasizing its universal utility. The exactness of the percentages in the 80-20 rule is for illustration purposes only, why the rule has also been called Paretos Principle, Juran’s Principle, Vital Few, and the Trivial Many rule. The rule has proven true in all large systems including those in user interface design as well as economics, management, quality control, and engineering among others. The 80-20 rule claims that for any large system 80 percent of the effects are generated by 20 percent of the variables in that system. Use this to prioritize your design efforts. It is a proven fact that 80 percent of the effects in a system are generated by 20 percent of the its variables.
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