Answer: When does the issue occur?
What question needs to be asked after determining the component with a problem?

Five whys (or 5 whys) is an iterative interrogative technique used to explore the cause-and-effect relationships underlying a particular problem . The primary goal of the technique is to determine the root cause of a defect or problem by repeating the question "Why?". Each answer forms the basis of the next question . The "five" in the name derives from an anecdotal observation on the number of ...

Definition. The answer to a research question will help address a research problem or question . Specifying a research question "the central issue to be resolved by a formal dissertation thesis or research project " is typically one of the first steps an investigator takes when undertaking research. Considerations such as project funding or methodological approaches may influence the ...

Troubleshooting - Wikipedia

Research question - Wikipedia

Critical Incident Technique - Wikipedia

Troubleshooting - Wikipedia

Troubleshooting is a form of problem solving often applied to repair failed products or processes on a machine or a system.It is a logical systematic search for the source of a problem in order to solve it and make the product or process operational again.

When designing an RCT there are five key questions that need to be asked : What treatment is being tested how many treatment arms will there be what will be the unit of assignment how large of a sample is needed how will the test be randomised. ...


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