Quality Assurance and Project Management

Sep 1 2009   10:00AM GMT

The 80-20 rule for Developers

Jaideep Khanduja Jaideep Khanduja Profile: Jaideep Khanduja

The 80-20 Rule or most commonly known as “Pareto Principle” was first formulated by the famous Italian economist Vilfredo Pareto in 1895. The principle was named after him and still holds good almost in all the aspects of life. Vilfredo Pareto found that 80% of Italy’s wealth was with 20% of people. The crux of the principle is that most things in life are not distributed evenly. That may imply that in an organization 80% of decisions are taken by 20% of people. In a manufacturing unit 80% of production is done by 20% of workers. In an class of 100 students 80% of intellect lies with 20% of students. And so on…

In a software project management, based on 80/20 rule, it may be concluded that:
20% of code manages 80% of business in a business application
80% of developers write 20% of code in a team of developers responsible for writing a business application
20% of total productivity of a software developer produces 80% of results
20% of core business requirements, if focused and built well in an application, account for 80% of customer satisfaction
20% of bugs fixed make 80% of software bug-free

And so on…

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