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The 5 whys technique

The 5 whys technique

Sakichi Toyoda's 5 whys technique is a way to solve problems by drilling down to their core cause:

  • Spot the issue: Pick out a clear problem, like "Users are leaving the app."
  • Ask "why": Start with the first "why" to get the immediate reason. "Why are users leaving the app?" The answer might be "the checkout process is too complicated."
  • Keep asking "why": Keep questioning, digging deeper each time. This peels back layers, revealing more about the problem.
  • Find the core problem: By repeatedly asking "why," you eventually hit the core reason. You might discover "Users leave the app because the checkout doesn't have clear, user-friendly steps."

This technique helps you discover the real issues and create a focused problem statement, setting the stage for effective design solutions.

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