Continuous improvement projects require teams to collect data and analyze it.
Lean Six Sigma method needs metrics and data to back up everything. Even the success of the LSS program is measured and tracked.
Sometimes Lean Six Sigma Green and Black belts analyze data more than needed. In LSS projects using the DMAIC approach the Measure phase is where hard data on the primary metric is collected. Preliminary data analysis begins in the Measure phase and continues into the Analyze phase where root causes are identified. Many LSS projects get stuck in the Measure or Analyze phase.
There are several reasons for this. Some of the key reasons are:
1. Data is hard to find/gather
2. There is too much or too little data
3. Incorrect data is collected
4. Green and Black belts over analyze the data
5. Preliminary data analysis does not reveal much so more data is collected
The Measure and Analyze phases of the DMAIC approach are most challenging. These phases take time and effort from the LSS team. The team needs to have the patience and persistance to get through these phases. The team leader (Green or Black belt) needs to get through the data collection and analysis portion efficiently/effectively. Without getting bogged down by data and not getting caught
in analysis-paralysis is the critical aspect to keep the project moving forward.
In our next blog post we will discuss the tools and techniques to overcome Analysis-Paralysis.
Have you experienced Analysis-Paralysis in an improvement project? How have you overcome it?
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Six Sigma's implicit goal is to improve all processes to that level of quality or better.
six sigma
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