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Europe Six Sigma & Quality Article Archive
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Quality Spotlight Archive | Management Spotlight Archive | Tools Spotlight Archive Readers' Choice: View All Top-Rated Articles Archives by Year: 2008 | 2007 | 2006 | 2005 | 2004 | 2003 - Is Your Company's Leadership Ready for Six Sigma?
Is every company ready for Six Sigma? Not any given moment, but there are ways to tell if now is the time for a company's business leadership to adopt the Six Sigma way of doing business. A quick 11-question test may help provide an answer. Read the full article. August 20, 2008
- Making Sense of Mann-Whitney Test for Median Comparison
When conducting the 2-sample t-test to compare the average of two groups, the data must be sampled from normally distributed populations. If that assumption does not hold, the nonparametric Mann-Whitney test is a better for drawing conclusions. Read the full article. August 6, 2008
- Value Stream Mapping to Identify Improvement Projects
With many companies integrating Lean and Six Sigma methodologies into a single improvement tool kit, value stream mapping has emerged as a preferred method to identify process improvement opportunities. Here are a number of tips on applying the tool. Read the full article. July 23, 2008
- Using the 1-Sample Sign Test for Paired Data
Although the paired t-test will work for normally distributed sets of paired data, a nonparametric alternative must be used for non-normal data: the 1-sample sign test. This test makes it possible to compare observed and hypothesized medians. Read the full article. July 9, 2008
- Adding Science to the Art of Sales Boosts Effectiveness
A predominantly sales- and marketing-driven company shows that not only does Six Sigma apply to sales and marketing, but the benefits are twice as great as one normally experiences in applying Six Sigma to operations processes. Read the full article. June 25, 2008
- Understanding the Uses for Mood's Median Test
The Mood's median test is used to test the equality of medians from two or more populations and holds no assumptions about specific distribution. Therefore, it provides a nonparametric alternative to the one-way ANOVA, which requires normality. Read the full article. June 11, 2008
- Six Sigma Is a Means to an End − Sustainable Results
To identify high leverage improvement areas, business leaders should engage in a dialogue about high priority business outcomes and process drivers. This increases the probability of Six Sigma project producing sustainable business results. Read the full article. May 28, 2008
- Using Six Sigma to Fix a Deployment In Progress
In this case study, a company measures the impact a Six Sigma program has had on the business after one year. Unfortunately, the results are not as expected. To drive change, they create a Six Sigma project to improve the company’s Six Sigma program. Read the full article. May 14, 2008
- Leveraging: Stealing with Pride from Your Own Company
Leveraging improvements encourages employees to "steal with pride" from their own company by 1) recognizing that their improvement needs are common throughout the company; and 2) discovering that proven solutions already exist within the company. Read the full article. April 30, 2008
- Making Data Normal Using Box-Cox Power Transformation
Data transformation, particularly the Box-Cox power transformation, is a remedial action that may help to make data normal. By understanding transformation and the Box-Cox method, practitioners will be better prepared to work with non-normal data. Read the full article. April 16, 2008
- Dealing with Non-normal Data: Strategies and Tools
Some people believe – incorrectly – that all data collected and used for analysis must be normally distributed. But there are tools that do not need normality, as well as a number of ways to acheive normality if tools requiring it are necessary. Read the full article. April 2, 2008
- Use a Modified FMEA to Mitigate Project Risks
In order to prevent risks from happening, or at least to be prepared when they occur, team members should assess the key risks of any project and make a plan to address them. A FMEA chart is a helpful tool in tracking these risk-mitigation efforts. Read the full article. March 19, 2008
- DFSS Helps Mask a Bitter Taste
In this case study, pharmaceutical developers use the DFSS methodolgy Identify, Design, Optimize, Verify to find the best formula for masking the bitter taste of a drug's active ingredient. Read the full article. March 5, 2008
- Preventing Conflicts Through Stakeholder Management
Not every improvement project needs a formalized approach to identify, analyze and plan communications with stakeholders, but mobilizing key individuals is a success factor. Stakeholder management can increase the chances of a projects success. Read the full article. February 20, 2008
- DFSS Study: Develop Software to Track Drug Side Effects
A pharmaceutical company used DFSS tools to develop a new pharmacovigilance system (captures and analyzes observed drug side effects) in association with the launch of a new drug. The process-scope included all process steps and influence factors. Read the full article. February 6, 2008
- Define and Control: Bridge Between Business and Project
The Define and Control phases of DMAIC are integral to the Six Sigma project roadmap and provide a bridge between buisness and project. Six Sigma projects are business projects and Define and Control are first and foremost business responsibilities. Read the full article. January 9, 2008
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