Monthly Archives: February 2011

TSP Process ROI, from “Leadership, Teamwork, and Trust”

For an ROI discussion, I recommend Appendix A from Watt’s and Jim Over’s book Leadership, Teamwork, and Trust http://www.amazon.com/Leadership-Teamwork-Trust-Competitive-Engineering/dp/0321624505. I also recommend the book. TSP is in investment in human and organizational capital.You absolutely should expect a positive return. Watts … Continue reading

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TSP and process improvement ROI

The only way to get a good product out of test is to put a good product into test. By the time development has completed you have built the basic quality level into your product. Test will mostly tell you … Continue reading

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ROI part 2

Thanks to Jim McHale for finding the follow up to Kent Schneider’s story. Steve Brady and Sherri Turner tell us more about projects A and B, (they reverse the project names) and then about project C http://www.sei.cmu.edu/library/assets/proof.pdf Project A was … Continue reading

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Evaluating People, why can’t I use all that data

This subject comes up repeatedly. We address this in the TSP management training, but because organizations are fluid we frequently must explain the perils to someone encountering this gold mine of information for the first time. A simple and short … Continue reading

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Using team data in the organization

There are legitimate and productive ways to use TSP data in your organization. It begins by setting baselines and benchmarks. The organization needs to understand it’s capability. For example What is our schedule performance? How long do similar projects take? … Continue reading

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Measure and Mismeasure of man; misuse of data

There are a number of reasons to be cautions in how we use the detailed developer data. The problems of measuring people leading to mismanagement are described in an excellent book by Robert Austin, Measuring and Managing Performance in Organizations. … Continue reading

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TSP: Causal Analysis

From the CMMI Causal analysis and resolution improves quality and productivity by preventing the introduction of defects into a product. Reliance on detecting defects after they have been introduced is not cost effective. It is more effective to prevent defects … Continue reading

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TSP: Should a team leader ever become a role manager?

It Depends. Don’t do stupid things on purpose. There are plenty of reasons to avoid giving another role to the Team Lead, but… It may be unavoidable because of team size or skill set matches. If giving the team lead … Continue reading

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How many defects are likely to be delivered in a software product?

Short answser How many defects did you find in final test? You will probably release about that many to the field. Absent better information, a 50% yield in test is a reasonable assumption.   Longer answer Consistency is the key. … Continue reading

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Miscalculations in Six Sigma

I find there is lot of confusion about control limits and tolerance limits and about 3 sigma, and 6 six sigma. Shewhart and Deming did run plots of process variables to determine their natural variation so that they could place … Continue reading

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