IASSC Certified Lean Six Sigma Black Belt (ICBB) — Question 26

Who coined the concept ‘zero defects’?

Answer options

• A. Deming
• B. Crosby
• C. Juran
• D. Taguchi

Correct answer: B

Explanation

Philip Crosby is recognized for formulating the 'zero defects' concept, emphasizing the importance of quality and the idea that defects are not acceptable. While Deming, Juran, and Taguchi contributed significantly to quality management and improvement, they did not specifically originate the term 'zero defects'.