Deming encouraged the Japanese to adopt a systematic approach to problem solving, which later became known as the Deming or Plan-Do-Check-Act (PDCA) Cycle Fig.2.1. Deming, however, referred to it as the Shewhart Cycle, named after his teacher W. A. Shewhart . He subsequently replaced "Check" by "Study", as that word reflects the actual meaning more accurately. Therefore an alternative abbreviation for the Deming Cycle is PDSA Cycle. Deming also pushed senior managers to become actively involved in their company's quality improvement programmes. His greatest contribution to the Japanese is the message regarding a typical business system. It explains that the consumers are the most important part of a production line. Meeting and exceeding the customers' requirements is the task that everyone within an organisation needs to accomplish. Furthermore, the management system has to enable everyone to be responsible for the quality of his output to his internal customers.
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