Applying the Science of Improvement to Testing
Chapter Four laid a foundation for the science of improvement by using Deming’s profound knowledge along with subject matter knowledge to develop effective change. The use of this science of improvement as an outside view or lens offers important guidance in testing changes. Some insights for testing changes:
• Understand interdependencies in the components of the system where the changes are being made
• Understand the relationship between prediction and knowledge of the system being changed and how predictions about the changes build knowledge
• Understand the temporal effect of changes made in the system
• Understand how separating variation of outcomes of a process or system into common and ...