Content by William A. Levinson

William A. Levinson's picture
William A. Levinson
Quality-related data collection is useful, but statistics can also deliver misleading and even dysfunctional results when incomplete. This is often the case when information is collected only from...
William A. Levinson's picture
William A. Levinson
Ryan Day1 describes how the rise of independent auto dealers is a “gray swan” event for the automobile industry. This was not only bound to happen, as observed by the author, but also long overdue....
William A. Levinson's picture
William A. Levinson
The U.S. Military Academy’s Honor Code says that “A Cadet will not lie, cheat, steal, or tolerate those who do.” Lt. Gen. Darryl A. Williams, the USMA’s superintendent, elaborated, “The tenets...
William A. Levinson's picture
William A. Levinson
Shigeo Shingo was able to summarize entire concepts in single phrases, such as “paint parts, not air.” This meant that paint which misses parts in a spray booth constitutes wasted material and also...
William A. Levinson's picture
William A. Levinson
Luddism is, as depicted by Henry Ford, “...the theory that there is only so much work in the world to do and it must be strung out.”1 This dysfunctional paradigm is shared today by otherwise highly...
William A. Levinson's picture
William A. Levinson
This article contends that we should replace “quality” with “value” to address an enormous array of previously unaddressed risks and opportunities. Poor quality is only one of the Toyota Production...
William A. Levinson's picture
William A. Levinson
Part one of this article showed that it is possible, by means of a Visual Basic for Applications program in Microsoft Excel, to calculate the fraction of in-specification product that is rejected by...
William A. Levinson's picture
William A. Levinson
IATF 16949:2016 clause 7.1.5.1.1 requires measurement systems analysis (MSA) to quantify gage and instrument variation. The deliverables of the generally accepted procedure are the repeatability or...
William A. Levinson's picture
William A. Levinson
The first part of this series introduced measurement systems analysis for attribute data, or attribute agreement analysis. AIAG1 provides a comprehensive overview, and Jd Marhevko2 has done an...
William A. Levinson's picture
William A. Levinson
Measurement systems analysis (MSA) for attributes, or attribute agreement analysis, is a lot like eating broccoli or Brussels sprouts. We must often do things we don't like because they are necessary...