From the Blog

Is the I Chart the only Shewhart SPC chart I really need?

by David M. Williams, Ph.D. This is part of a series of blog posts on measurement for improvement. You can read them all here. Many authors and consultants join me in arguing for collecting data over time and displaying it in a time series chart like a run chart. Some also advocate for the added […]

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PDSA Exercises

Created by Dr. Williams to teach PDSA testing, time-series measurement, and collaboration, the Mr Potato Head PDSA exercise and Coin Spin PDSA exercise are used worldwide by the Institute for Healthcare Improvement, the Carnegie Foundation for the Advancement of Teaching, and improvement organizations across Health, Education, and Social Care. Free updated facilitator guides are now available.

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