Quality function deployment is most associated with
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Total Quality Management
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Problem Analysis
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Regression Testing
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Continuous Process Improvement
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Tracing requirements
Quality Function Deployment (QFD) is a methodology for translating customer requirements (voice of customer) into specific technical requirements throughout the development process, creating traceability from needs to design. While QFD is used in TQM, its distinctive characteristic is the systematic tracing of requirements.
Quality Function Deployment (QFD) is a structured methodology for translating customer needs/voice-of-the-customer into specific technical requirements and design characteristics — essentially building a traceable link (via the "House of Quality" matrix) from customer requirements down through engineering requirements. That link-building process is why "Tracing requirements" is marked as most associated with QFD here. It's not primarily a Total Quality Management umbrella term, a problem-analysis technique, a regression-testing method, or a general continuous-process-improvement framework — those are related quality disciplines but don't specifically describe QFD's core requirements-translation/traceability purpose the way this option does.