Root cause may refer to:
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''Root Cause'' (film), a 2019 documentary
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"Root Cause" (''Person of Interest''), a TV show episode
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Root cause analysis
In science and engineering, root cause analysis (RCA) is a method of problem solving used for identifying the root causes of faults or problems. It is widely used in IT operations, manufacturing, telecommunications, industrial process control, ...
, a problem solving technique
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