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Next: The Cost of Change Up: Introduction to Extreme Programming Previous: Risk: The Basic Problem   Contents

Four Variables

In the XP model there are four control variables in software development:

  1. Cost
  2. Time
  3. Quality
  4. Scope

Customers and managers get to pick the values of any three of the variables.

Next: The Cost of Change Up: Introduction to Extreme Programming Previous: Risk: The Basic Problem   Contents