IASSC Certified Lean Six Sigma Black Belt (ICBB) — Question 93

Who proposed the quality trilogy model?

Answer options

• A. Taguchi
• B. Kaoru Ishikawa
• C. Crosby
• D. Joseph M. Juran

Correct answer: D

Explanation

Joseph M. Juran is recognized for developing the quality trilogy, which encompasses quality planning, quality control, and quality improvement. The other individuals mentioned, while influential in quality management, did not create this specific model.