The Define, Measure, Analyze, Improve, and Control (DMAIC) methodology is the core framework of Six Sigma, a data-driven process improvement approach that aims to reduce defects, enhance efficiency, and optimize performance.
(A) Correct – Six Sigma.
DMAIC is a structured Six Sigma methodology used for problem-solving and process improvement.
It helps organizations identify inefficiencies, eliminate errors, and standardize processes.
(B) Incorrect – Quality circle.
A quality circle is a group of employees who meet to discuss and resolve work-related issues, but it does not follow the structured DMAIC approach.
(C) Incorrect – Value chain analysis.
Value chain analysis focuses on evaluating business activities to improve competitive advantage, not structured process improvement like Six Sigma.
(D) Incorrect – Theory of constraints.
The Theory of Constraints (TOC) focuses on identifying and eliminating bottlenecks in processes, but it does not use the DMAIC approach.
IIA’s Global Internal Audit Standards – Process Improvement and Risk Management
Emphasizes methodologies like Six Sigma for operational efficiency.
COSO’s ERM Framework – Continuous Improvement and Quality Management
Discusses the role of Six Sigma in improving processes and reducing risks.
IIA’s Guide on Business Process Auditing
Recommends structured approaches such as Six Sigma for evaluating process efficiency.
Analysis of Answer Choices:IIA References and Internal Auditing Standards:
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