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Pre-Control Versus "X" & R Charting: Continuous or Immediate Quality Improvement?

Summary: [This abstract is based on the author's abstract.]

Pre-Control was developed in 1952 and is currently used by hundreds of companies to bring fraction defective production to nearly zero ppm. P-C is a simple sensitive method for achieving this goal. A brief history of the method is provided, and the advantages of the Shainin techniques are discussed.

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  • Topics: Software Quality, Statistical Process Control (SPC), Baldrige Program
  • Keywords: Shainin techniques, Continuous quality improvement (CQI), Control charts, X-bar control charts, R (range) chart, Software, Statistical process control (SPC), Malcolm Baldrige National Quality Award (MBNQA)
  • Author: Shainin, Dorian; Shainin, Peter
  • Journal: Quality Engineering