DMAIC stands for Define, Measure, Analyse, Improve and Control. Define sets scope, the customer problem and desired outcomes; Measure establishes reliable baseline data; Analyse tests potential root causes; Improve trials and validates solutions; Control maintains the gains through monitoring and standard procedures. The sequence is designed to prevent premature solution selection before the causes of defects or variation are understood. It is commonly used for improving existing processes within Six Sigma programmes. Teams should distinguish prevention, detection and measurement rather than treating all quality methods as interchangeable. Reliable data, appropriate thresholds and documented follow-up are essential. Improvements should target the causes of nonconformity while ensuring that product and service requirements remain satisfied. The appropriate selection is define, measure, analyse, improve, control. This follows from the distinction between the concept described and the alternative activities or measures in the answer choices. The resulting evidence should support management decisions and feed back into standard operating procedures and employee training.
Study Guide Reference: CIPS L5M9 – Analyse techniques for quality improvement that can be applied in operations management; the uploaded question bank cites study-guide page(s) 137.
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