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TOPIC: Difference between Value Stream analysis and Value Stream Mapping

Difference between Value Stream analysis and Value Stream Mapping 1 year 8 months ago #13223

  • Nidhi Kohli
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Anyone please help to clarify these two. I see lot of questions on them in all the exam questions I have done so far - both simulator and the online free questions

Difference between Value Stream analysis and Value Stream Mapping 1 year 8 months ago #13273

  • Eduardo Enriquez
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Hi Nidhi. Per Mike Griffith's definition, Value Stream Mapping is "...a lean manufacturing technique that has been adopted by agile methods. The goal of the technique is to optimize the flow of information or materials required to complete a process, thereby reducing the time it takes to create value and eliminating wasteful or unnecessary work. In Value stream mapping, we create a visual map of the process flow, so that we can identify where delays, waste and constraints are occurring."

Griffiths further breaks down the process into steps, which I will not list here in detail, but one of them is to basically analyze the current process and find delays, waste and constraints.

So, the difference between Value Stream analysis and Value Stream Mapping is that Value Stream Mapping is the actual tool/technique used to identify waste, while analysis is one of the steps in the technique.

As far as the exam goes, and I'll quote Mike Griffiths on this one, "...you should understand what Value Stream Mapping is and how agile teams might use it. ...you most likely won't be asked to do any calculations...the concepts of total cycle time, non value-added time, value-added time, or process cycle efficiency might appear in one or two question."
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