Applying the 5Whys Method to Diagnose and Resolve Workplace Issues

In a typical office scenario, a colleague (A) receives an urgent design request late in the day, but because he is already occupied with another high‑priority project and has personal commitments, he leaves without completing the task. The next morning his manager confronts him, not to punish, but to discuss a systematic way to avoid such mishaps.

The manager introduces the 5Whys technique, a root‑cause analysis method that asks "why" repeatedly until the fundamental issue is uncovered. Although traditionally five questions are asked, the process stops once the true cause is identified, which may require fewer or more iterations.

Applying 5Whys to A’s case reveals two primary problems: (1) A failed to manage his time and prioritize tasks, and (2) the project team did not perform a second‑level progress confirmation. The suggested remedy for A is to maintain a daily task schedule and adjust it when new work arrives. For the project side, the recommendation is to verify task assignments and, if the assignee’s status is unclear, involve the assignee’s direct manager to ensure proper delegation.

The article then extends the method to a technical example involving Android ANR (Application Not Responding). By asking why the ANR occurs, the analysis uncovers that excessive inter‑process contact reads cause message overload, leading to the suggestion of caching contact data and refreshing it periodically—a solution that addresses the root cause rather than merely reducing message volume.

Overall, the piece emphasizes that experts differentiate themselves by continuously asking "why," summarizing findings into reusable mental models, and building a knowledge base that can be applied to similar problems. It encourages readers to cultivate the habit of deep questioning, systematic documentation, and abstraction to transform isolated incidents into generalizable solutions.