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Latest "QI Macros" Posts

Confirmation Bias in Lean Six Sigma

In Win Bigly, Scott Adams describes confirmation bias as the human tendency to irrationally believe new information that supports your existing world view even when it doesn’t. Leaders, managers and team members all think they know the solution to a given problem, even when they don’t. Here’s how confirmation bias can screw up your improvement project. Join the […]

Posted by Jay Arthur in Jay Arthur Blog, Lean, QI Macros, Six Sigma.

Fear of Ridicule and What to Do About It

I’ve noticed a disturbing trend. Customers call us wanting to know all of the background about the hows, whys and formulas of a chart. I think they are afraid someone will challenge or ridicule their analysis. Here’s what I think.  

Posted by Jay Arthur in QI Macros, Six Sigma, Statistics.

Earth Day and Lean Six Sigma

A typical company suffers from 33% waste and rework. Eliminate the waste and rework with Lean Six Sigma and it will be great for the Earth. www.qimacros.com

Posted by Jay Arthur in Jay Arthur Blog, Lean, QI Macros, Six Sigma.

Quality Tools – Skill Shortage

Based on certification exams, some ASQ Division members lack skills in Quality Tools. If ASQ members are lacking skills with quality tools, how much can we expect of everyone else? nbsp;

Posted by Jay Arthur in QI Macros, Six Sigma.

How Often Should You Take Measurements for Control Charts?

I keep seeing a lot of control charts that use quarterly data. That means it could take five years to get 20 data points for a control chart. How often should you measure? www.qimacros.com

Posted by Jay Arthur in Jay Arthur Blog, QI Macros, Six Sigma.

Lean Six Sigma – April Fools!

Does Lean Six Sigma seem like an April Fool’s joke? Why doesn’t it seem to work sometimes?

Posted by Jay Arthur in Lean, QI Macros, Six Sigma.

St. Patrick’s Day – Luck of the Lean Six Sigma

You don’t have to be Irish or lucky to be successful. You can make your own luck using Lean Six Sigma.

Posted by Jay Arthur in Lean, QI Macros, Six Sigma.

Daylight Savings Time – Six Sigma Project

Does Daylight Savings Time save us anything, or is it costing lives?

Posted by Jay Arthur in Jay Arthur Blog, QI Macros, Six Sigma.

Six Sigma Formulas Cause Math Phobias

In the book, The Case Against Education: why the Education System is a Waste of Time and Money, author Bryan Caplan argues that, beyond reading, writing and basic ‘rithmatic, “most of what people learn in high school and college is unnecessary and quickly forgotten.” I would argue that the same is true of Six Sigma; […]

Posted by Jay Arthur in Jay Arthur Blog, QI Macros, Six Sigma.

What are You Secretly Telling Yourself About Lean Six Sigma?

No matter what you do or what you say, there’s a hidden “metamessage” back to yourself. What metamessages have you told yourself about Lean Six Sigma? www.qimacros.com

Posted by Jay Arthur in Jay Arthur Blog, QI Macros, Six Sigma.