Six Features

Quality Transformation With David Schwinn's picture
Quality Transformation With David Schwinn
‘From laughing tots in Haitian preschools to inner-city gang members to top executives in global corporations, people everywhere are gathering in circles. These circles are generating trusting...
Davis Balestracci's picture
Davis Balestracci
I have evolved to using fewer, simpler tools in my consulting and have never been more effective, as I commented upon in my last column. It made me ponder the relevance of much of what I learned in...
Anonymous's picture
Stephen V. Thomas
The purpose of this article is to point out a problem when using percentages for subgroups over time, or for members in a larger group, where the size of the denominator varies and probabilities...
Patrick Runkel's picture
Patrick Runkel
If you’re not a statistician, looking through statistical output can sometimes make you feel a like you’ve wandered into Alice in Wonderland. Suddenly, you find yourself in a fantastical world...
Donald J. Wheeler's picture
Donald J. Wheeler
Whenever the original data pile up against a barrier or a boundary value, the histogram tends to be skewed and non-normal in shape. Last month in part one we found that this doesn’t appreciably...
Thomas R. Cutler's picture
Thomas R. Cutler
This is the last in a series about how lean manufacturing has affected the people and the companywide culture at Hytrol Conveyors, a designer and manufacturer of advanced conveyor systems. As...
Barbara A. Cleary's picture
Barbara A. Cleary
When my mother looked at the prices of new hats, studied their features, and then went home and tried to remodel her old hat with feathers or lace to look like those fancier models, I saw the value...
Dawn Keller's picture
Dawn Keller
I really can’t make this stuff up. I wrote a post a couple of years ago titled: “How to Talk to Your Kids About... Quality Improvement,” in which I lamented about Community Hero Day in my...
Davis Balestracci's picture
Davis Balestracci
I've been presenting at the Institute for Healthcare Improvement (IHI) annual forum for 21 consecutive years. Maybe the biggest surprise from these two decades has been the awesome...
Mark Rosenthal's picture
Mark Rosenthal
The title of this article is a search term that recently hit The Lean Thinker site. It’s an interesting question—and interesting that it gets asked. “Kaizen” is now an English word—it’s in the OED—...
Matthew Barsalou's picture
Matthew Barsalou
There are many tools available for investigating quality problems. One useful and easy-to-use set of statistical tools is John W. Tukey’s exploratory data analysis (EDA), which quality engineers...
Mike Micklewright's picture
Mike Micklewright
Should an organization’s design engineers step foot on the production floor, or would this be too much of a distraction from what they get paid to do—cranking out new designs? For most progressive...
Joel Smith's picture
Joel Smith
On a recent vacation, I was unsuccessfully trying to reunite with my family outside a busy shopping mall and starting to get a little stressed. I was on a crowded sidewalk, in a busy city known for...
Thomas R. Cutler's picture
Thomas R. Cutler
In November 2014, Quality Digest Daily published the first in a series about companywide lean cultures and how a lean journey affects people and companies. Jonesboro, Arkansas-based Hytrol...
Donald J. Wheeler's picture
Donald J. Wheeler
Whenever the original data pile up against a barrier or a boundary value, the histogram tends to be skewed and non-normal in shape. In 1967 Irving W. Burr computed the appropriate bias correction...
Tripp Babbitt's picture
Tripp Babbitt
In my last column I wrote about the seven perspectives that pollute customers and culture. These perspectives rule the design of our organizations. They are inherent to our work cultures and...
Quality Transformation With David Schwinn's picture
Quality Transformation With David Schwinn
My wife, Carole, and I recently participated in the 16th Annual ILA (International Leadership Association) Global Conference. The theme was conscious leadership. At the conference, Meg Wheatley...
Meredith Griffith's picture
Meredith Griffith
During the last year or so I've heard a lot of people asking, "How can I calculate B10 life in Minitab?" Despite my being a statistician and an industrial engineer (mind you, one who's never...
Mike Micklewright's picture
Mike Micklewright
Editor’s note: This article discusses topics covered at greater length in episodes 19–23 of a new streaming video training series, Creating and Sustaining Lean Improvements—Integrating Principles,...
Bruce Hamilton's picture
Bruce Hamilton
There was a time when it was unfashionable for managers to associate with front-line employees. Alluding to an old adage, I used to joke that you could not even lead the horse (i.e., the manager)...