Notable approaches to quality control
There is a tendency for individual consultants and organizations to name their own unique approaches to quality control—a few of these have ended up in widespread use:
| Terminology | Approximate year of first use | Description |
|---|---|---|
| Statistical quality control (SQC) | 1930s | The application of statistical methods (specifically control charts and acceptance sampling) to quality control.[4]:556 |
| Total quality control (TQC) | 1956 | Popularized by Armand V. Feigenbaum in a Harvard Business Review article[5] and book of the same name.Stresses involvement of departments in addition to production (e.g., accounting, design, finance, human resources, marketing, purchasing, sales). |
| Statistical process control(SPC) | 1960s | The use of control charts to monitor an individual industrial process and feed back performance to the operators responsible for that process. Inspired by control systems. |
| Company-wide quality control (CWQC) | 1968 | Japanese-style total quality control[6] |
| Total Quality Management(TQM) | 1985 | Quality movement originating in the United States Department of Defense that uses (in part) the techniques of statistical quality control to drive continuous organizational improvement.[7] |
| Six Sigma (6σ) | 1986 | Statistical quality control applied to business strategy.[8] Originated by Motorola. |
Tags: QUALITY CONTROL
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