Understanding the 9090 Rule in Project Management

Learn about the 9090 rule in project management and how it impacts project timelines.

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The 90/90 rule refers to a project management adage: 'The first 90% of the code accounts for the first 90% of the development time. The remaining 10% of the code accounts for the other 90% of the development time.' This highlights how projects often take much longer to complete than initially expected due to unforeseen complexities.

FAQs & Answers

  1. What does the 9090 rule mean? The 9090 rule indicates that the first 90% of a project takes 90% of the time, while the last 10% takes the remaining 90%. It highlights unforeseen complexities in project execution.
  2. Why is the 9090 rule important in project management? Understanding the 9090 rule helps project managers set realistic timelines and anticipate challenges, ensuring better planning and resource allocation.
  3. How can I apply the 9090 rule to my projects? To apply the 9090 rule, factor in additional time for the final stages of your project, as they often require more resources and can encounter unforeseen challenges.

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