Comparison of Deming & Crosby

Group Memebrs:

Maria Tariq

Syeda Zainab Rizvi

Salman Amer

Hashim Khan

Ali Usama Khan

Muhammad Waqas

Muhajmmad Abdur Rehman

Deming• Deming was an American statistician, professor, author,

lecturer, and consultant.

• He believed that organizations can increase quality and reduce costs by practicing continuous process improvement and by thinking of manufacturing as a system, not as bits and pieces.

Crosby• Crosby was an American businessman and author. Crosby’s

response to the quality crisis was the principle of Doing It Right the First Time (DIRFT).

• He applied four major principles:The definition of quality is conformance to requirements.The system of quality is prevention.The performance standard is zero defects.The measurement of quality is the price of non-conformance.

Commonalities• Break down barriers between departments and quality

improvement teams.• Quality requires a strong upper management commitment • Crosby talks about zero defects through top management and

Deming involves both the management and operators through common causes and special causes.

• Both talks about continuous improvements.

• Deming focused more on Quantitative Approach and Crosby focused both on Quantitative & Qualitative Approach.

• Both talked about focusing on Training and Supervision on Management Level.

• They both suggests that cost will decrease as the quality increases.

Differences• Crosby improved quality through conformance approach

whereas Deming introduced SPC as a quality measure.• Crosby has put influence on recognition for the workers where

as Deming has not used any such approach.• Deming suggests that quotas be removed so that it increases

productivity.

• Crosby talks about quality improvement through quality councils.

• Crosby focused only on vital quality improvements while Deming has general quality improvement approach.

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