The Deming Management Method by Mary Walton, book cover

The Deming Management Method Summary

by Mary Walton

3.96 Goodreads · 301 ratingsBusiness254 pages12-min summary

Master Deming's principles to boost profits and productivity, transforming your business from its core.

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Core Idea

Mary Walton's "The Deming Management Method" explains Dr. W. Edwards Deming's approach to quality and productivity. Most organizational problems, Deming argued, come from the system, not individual workers. The book outlines Deming's 14 Points for Management and the System of Profound Knowledge. It promotes a systemic change focusing on statistical thinking, ongoing improvement, and removing fear and arbitrary goals. By understanding processes, building long-term relationships, and supporting employees through training, companies can gain a lasting competitive edge and better quality.
Difficulty
Medium
Read it if
You are a manager, executive, or business leader looking for a foundational understanding of quality improvement, process management, and how to create a culture of continuous improvement, moving beyond short-term fixes to systemic solutions.
Skip it if
You are only interested in quick-fix management hacks or a purely theoretical academic treatise without practical application examples. This book requires a willingness to fundamentally rethink traditional management paradigms.

Key Takeaways from The Deming Management Method

Adopt Profound Knowledge

A system of interrelated knowledge for organizational transformation.

Deming's 'System of Profound Knowledge' is a practical framework for understanding and improving any organization. It combines four parts: appreciation for a system, knowledge about variation, theory of knowledge, and psychology. Managers must understand how these parts work together for a complete view of their operations. Without this deep understanding, changes often only fix symptoms, not root causes, leading to recurring problems and wasted effort. This system emphasizes that all parts of an organization depend on each other, and improving one area often means understanding its effect on others. It asks leaders to think beyond individual departments and use a systemic approach, leading to a deeper, more effective way to solve problems and improve.

“A manager of people needs to understand variation, some theory of knowledge, some psychology, and an appreciation for a system. This is what Deming called a System of Profound Knowledge.”

In the book: Deming's lectures to Japanese industrialists in the 1950s, which laid the foundation for Japan's post-war industrial quality revolution. He presented these concepts as essential for long-term survival and prosperity, contrasting them with short-term, reactive management styles.

Try this: Leaders should actively study and internalize the four components, using them as a lens through which to analyze all business decisions. For example, before implementing a new policy, consider its impact on the entire system, potential variations in outcomes, how it aligns with existing knowledge, and the psychological effects on employees.

Related ideas: system-of-profound-knowledge, systems-thinking, variation

Eliminate Numerical Quotas

Quotas prioritize quantity over quality and foster fear, undermining intrinsic motivation.

Deming strongly opposed numerical quotas for production or sales targets, saying they are counterproductive. Quotas make employees focus on hitting a number, often at the cost of quality, innovation, or teamwork. They create a system of fear, where workers are afraid to miss targets, leading to shortcuts, false data, and lower morale. Instead of motivating, quotas discourage by taking away pride in work and internal drive. They also ignore the natural variation in any process, punishing workers for things outside their control. Focusing on quotas shifts attention from improving processes to blaming individuals, which stops the organization from learning and adapting.

“The numerical quota is a destroyer of quality and productivity. It creates fear, it drives out good work, and it leads to cheating and shortcuts.”

In the book: Deming's observations in American factories where quotas led to high scrap rates and poor product quality, contrasting with Japanese companies that adopted process-oriented management, achieving superior results without relying on individual quotas.

Try this: Replace individual quotas with a focus on improving the overall process. Encourage teams to identify and eliminate bottlenecks, reduce waste, and improve quality. Measure process health and customer satisfaction rather than individual output numbers.

Related ideas: quotas, fear-in-the-workplace, intrinsic-motivation, quality-over-quantity

Understand Variation

Distinguish between common and special causes of variation to manage processes effectively.

Variation is natural in every process, but not all variation is the same. Deming separated common causes (random, normal changes within a stable process) from special causes (specific, outside factors disrupting the process). Managers often react to common cause variation as if it were special, leading to over-adjusting and 'tampering' with the system, which only increases variation and instability. On the other hand, they might ignore special causes, letting big problems continue. Understanding this difference, often through statistical process control (SPC) charts, is key to knowing when to adjust the system (for common causes) versus when to investigate specific events (for special causes). Without this knowledge, management actions are often wrong and harmful.

“The greatest waste in America is people not understanding variation. Everything varies. It is how you manage the variation that counts.”

In the book: The use of control charts (e.g., Shewhart charts) in manufacturing, which visually separate common and special cause variation, allowing managers to identify when a process is 'in control' or when an intervention is genuinely needed.

Try this: Implement statistical process control (SPC) charts to monitor key metrics. Train employees and managers to interpret these charts to differentiate between common and special causes. Only intervene when a special cause is identified; otherwise, focus on improving the overall system, not individual data points.

Related ideas: statistical-process-control, common-cause-variation, special-cause-variation, tampering

Drive Out Fear

Create an environment where employees feel safe to ask questions and report problems without reprisal.

Fear is a damaging force in the workplace. It stops employees from speaking up about problems, suggesting improvements, or taking calculated risks, all of which are vital for ongoing improvement. When employees fear punishment for mistakes or for delivering bad news, important information is hidden, leading to unsolved problems and missed chances. Deming promoted a culture where employees feel safe, where mistakes are seen as learning opportunities, and where open communication is encouraged. Removing fear allows for honest feedback, proactive problem-solving, and a more engaged, innovative workforce. This requires a basic change in leadership behavior, moving from blame to support and from command-and-control to coaching.

“No one can do his best work unless he feels secure. Fear is paralyzing. It kills communication and innovation.”

In the book: Deming's observations that many American companies suffered from a culture of fear, where employees would hide defects or problems rather than report them, leading to systemic failures and customer dissatisfaction.

Try this: Leaders should actively solicit feedback, especially regarding problems, and respond constructively, without assigning blame. Implement anonymous reporting mechanisms where appropriate. Publicly acknowledge and reward employees who bring issues to light, framing them as opportunities for collective learning and improvement.

Related ideas: psychological-safety, open-communication, trust-in-leadership, blame-culture

Institute Training and Retraining

Invest in continuous education for all employees to adapt to new methods and technologies.

In a fast-changing world, static job descriptions and one-time training are not enough. Deming stressed the importance of ongoing training for everyone, from factory workers to top management. This is not just about teaching new skills; it is about creating a learning organization where employees can adapt to new technologies, understand new processes, and help with ongoing improvement. Proper training reduces errors, increases efficiency, and boosts morale by showing employees they are valued. It also ensures a shared understanding of methods and goals, reducing variation and improving overall system performance. Neglecting training is a false saving, leading to higher costs from errors, rework, and inefficiency.

“Training is not a one-time event; it is a continuous process. Every job requires specific knowledge and skill, and these must be maintained and improved.”

In the book: Japanese companies, after adopting Deming's methods, heavily invested in employee training across all levels, leading to significant improvements in product quality and manufacturing efficiency that surpassed Western competitors.

Try this: Develop comprehensive training programs for every role, including cross-training. Regularly update training content to reflect new technologies and best practices. Create a budget and allocate time specifically for ongoing employee development, including non-job-specific skills like problem-solving and statistical thinking.

Related ideas: continuous-learning, skill-development, employee-empowerment, organizational-learning

End Dependence on Mass Inspection

Build quality into the process from the start, rather than inspecting it in at the end.

Mass inspection at the end of the production line is an inefficient and expensive way to ensure quality. It only separates good products from bad, adds no value, and often misses defects. Deming argued that true quality comes from designing a strong process that consistently produces quality output from the start. This requires understanding the process, finding possible failure points, and setting up controls and feedback loops to prevent defects rather than just finding them. Ending dependence on mass inspection shifts the focus from reacting to defects to preventing them, saving time, money, and resources while greatly improving overall product quality and customer satisfaction.

“Inspection is too late. It is a confession that you have failed to make the product right the first time. Quality comes not from inspection, but from improvement of the process.”

In the book: Companies that moved from 100% final inspection to process control methods saw dramatic reductions in defects and warranty claims, as exemplified by many Japanese manufacturers in the latter half of the 20th century.

Try this: Implement in-process quality checks and statistical process control (SPC) at various stages of production. Empower workers to stop the line if a defect is detected and identify the root cause immediately. Focus on improving supplier quality to ensure raw materials meet specifications.

Related ideas: quality-by-design, defect-prevention, in-process-control, root-cause-analysis

Break Down Barriers

Foster collaboration between departments to optimize the entire system, not just individual silos.

Organizational silos, where departments work alone and optimize for their own goals, harm the overall system. Deming recognized that departments often have conflicting goals or do not understand each other's challenges, leading to inefficiencies, rework, and a broken customer experience. Breaking down these barriers means encouraging cross-functional teamwork, promoting communication, and ensuring that all departments understand their role in the larger organization. This creates a more unified, agile, and effective organization where collective goals are more important than individual departmental objectives. True synergy happens when departments work as a single team, not as competing groups.

“People in different departments work for the same company, yet they often act as if they are competing with each other. This creates friction and sub-optimization.”

In the book: Examples of companies where sales, production, and R&D teams operated in isolation, leading to products that were difficult to manufacture, hard to sell, or failed to meet customer needs, in contrast to integrated product development teams.

Try this: Establish cross-functional teams for projects and problem-solving. Implement regular inter-departmental meetings to share information and align goals. Design performance metrics that encourage collaboration and system-wide optimization rather than individual departmental metrics.

Related ideas: cross-functional-teams, silo-mentality, systems-optimization, collaboration

Adopt the New Philosophy

Embrace a commitment to continuous improvement and long-term thinking over short-term profits.

Deming's methods are a major shift from traditional Western management practices focused on short-term profits, blame, and individual performance. 'Adopting the New Philosophy' means making a clear and firm commitment to ongoing improvement, quality, and customer satisfaction as the main drivers of long-term success. It requires leaders to drop old beliefs and embrace a systemic view, understanding that quality is not an extra cost but a way to lower costs and increase market share. This philosophy demands patience, persistence, and a willingness to invest in people, processes, and innovation, rejecting quick fixes and superficial solutions. It is a fundamental change in how organizations are led.

“American management must wake up to the new age. We can no longer live with commonly accepted levels of mistakes, defects, poor materials, and poor workmanship.”

In the book: The stark contrast between the decline of many American industries in the 1970s and 80s, which clung to traditional management, versus the rise of Japanese industries that adopted Deming's principles, leading to superior quality and global market dominance.

Try this: Top management must publicly commit to Deming's principles and lead by example. This involves re-evaluating mission statements, strategic goals, and performance metrics to align with long-term quality and process improvement, moving away from short-sighted financial targets.

Related ideas: continuous-improvement, lean-management, long-term-thinking, paradigm-shift

Constancy of Purpose

Commit to a long-term vision for improving products and services, resisting short-term pressures.

One of Deming's most important points, 'Constancy of Purpose,' asks management to have a firm, long-term commitment to improving products and services. This means resisting pressure for immediate profits, quarterly dividends, or reactive decisions. Instead, leadership must focus on innovation, research, education, and ongoing improvement of the system. Without a stable, long-term vision, organizations drift, resources are misused, and efforts become scattered. Constancy of purpose provides direction, allows for strategic investment, and builds trust among employees and customers, ensuring that all actions contribute to a sustainable future rather than temporary gains. It is the foundation for all other principles.

“Management's job is to look ahead, to predict, to plan for the future. Without constancy of purpose, there is no constancy of action, and no sustained improvement.”

In the book: Companies that consistently invested in R&D and employee training, even during economic downturns, often emerged stronger and more innovative, contrasting with those that cut such investments for short-term financial relief.

Try this: Develop a clear, long-term strategic plan (5-10 years) for product and service improvement. Communicate this vision consistently to all employees. Prioritize investments that support this long-term purpose, even if they don't yield immediate financial returns. Resist the temptation to chase fads or react to every market fluctuation.

Related ideas: strategic-planning, long-term-vision, innovation, sustainable-growth

Empower the Workforce

Shift responsibility for quality and improvement from management to the workers who do the job.

Deming believed that the people closest to the work—frontline employees—have valuable insights into how processes can be improved. Traditional management often disempowers these workers, treating them as cogs in a machine rather than sources of intelligence. Empowering the workforce means giving them the tools, training, and authority to find problems, suggest solutions, and take ownership of quality. It involves listening to their feedback, acting on their suggestions, and removing systemic barriers that stop them from doing their best work. This approach not only uses a large, untapped source of knowledge but also greatly boosts employee morale, engagement, and commitment to organizational goals, leading to more lasting and effective improvements.

“The knowledge to improve the process resides primarily with the people who do the work. Management's job is to listen to them and remove the barriers.”

In the book: Case studies from companies where quality circles and employee suggestion programs, when genuinely supported by management, led to significant cost savings, quality improvements, and increased worker satisfaction.

Try this: Implement mechanisms for employees to provide regular feedback and suggestions for process improvement. Provide training on problem-solving tools (e.g., PDCA, statistical methods). Empower teams to make decisions within their areas of expertise and provide resources to test and implement their ideas.

Related ideas: employee-empowerment, worker-participation, quality-circles, pdca-cycle

The Deming Management Method Quotes

“Quality is not a slogan. It is a way of life.”
Emphasizing the pervasive nature of quality in an organization.
“A bad system will beat a good person every time.”
Highlighting the importance of systemic improvements over individual effort.
“The aim of leadership should be to improve the performance of man and machine, to improve quality, to increase output, and simultaneously to bring pride of workmanship to people.”
Defining the multi-faceted role and goals of effective leadership.
“Management's job is to know what to do, not how to do it. The how-to is the job of the workers.”
Differentiating between strategic direction (management) and operational execution (workers).
“The most important things cannot be measured.”
Cautioning against an over-reliance on quantifiable metrics, especially for intangible aspects like morale or innovation.
“Eliminate slogans, exhortations, and targets for the work force asking for zero defects and new levels of productivity.”
Arguing that such motivational tactics are counterproductive without addressing underlying system issues.
“Inspection is too late. The quality, good or bad, is already in the product.”
Advocating for building quality into the process rather than relying on end-of-line inspection.
“The greatest waste in America is people not being able to use their abilities.”
Lamenting the underutilization of human potential in traditional management systems.
“The customer is the most important part of the production line.”
Emphasizing the central role of the customer in driving quality and production.
“Cease dependence on mass inspection to achieve quality. Eliminate the need for inspection on a mass basis by building quality into the product in the first place.”
A foundational principle for achieving true quality by preventing defects.
“An organization is a system. It must be managed as a system.”
Underlining the interconnectedness of all parts of an organization and the need for a holistic management approach.
“Fear invites people to hide problems, not to solve them.”
Discussing the detrimental effects of a fear-based management culture on problem-solving and improvement.
“The job of management is to work on the system, not in the system.”
Distinguishing between daily operational tasks and the strategic work of improving the overall system.
“It is not enough to do your best; you must know what to do, and then do your best.”
Highlighting that effort alone is insufficient without proper knowledge and direction.

Quiz

10 questions on the main ideas. Each answer comes with a short explanation.

  1. Question 1

    Which of Deming's 14 Points for Management emphasizes the elimination of slogans, exhortations, and targets for the workforce?

    1. Point 3: Cease dependence on mass inspection
    2. Point 8: Drive out fear
    3. Point 10: Eliminate slogans, exhortations, and targets for the workforce
    4. Point 12: Remove barriers to pride of workmanship
    Show answer

    C. Point 10: Eliminate slogans, exhortations, and targets for the workforce Point 10 directly addresses the ineffectiveness and often counterproductive nature of motivational slogans and targets without providing the systemic changes necessary for improvement, as detailed in Walton's explanation of Deming's principles.

  2. Question 2

    According to Deming, what percentage of problems in an organization are typically due to the system, rather than individual workers?

    1. Less than 10%
    2. Around 30-40%
    3. Over 85%
    4. Exactly 50%
    Show answer

    C. Over 85% Deming famously asserted that over 85% of problems in an organization are due to the system, not the workers, a core tenet discussed by Walton to shift focus from blaming individuals to improving processes.

  3. Question 3

    Which of Deming's 'Deadly Diseases' is characterized by management by visible figures alone, without considering unknown and unknowable figures?

    1. Lack of constancy of purpose
    2. Evaluation of performance, merit rating, or annual review
    3. Running a company on visible figures alone
    4. Mobility of management
    Show answer

    C. Running a company on visible figures alone Walton highlights 'Running a company on visible figures alone' as a Deadly Disease, explaining how focusing only on quantifiable metrics can lead to poor decision-making by ignoring crucial, less tangible factors.

  4. Question 4

    In the context of Deming's principles, what is the primary purpose of the PDCA (Plan-Do-Check-Act) cycle?

    1. To assign blame for failures in a process
    2. To ensure compliance with existing regulations
    3. To drive continuous improvement and learning in a systematic way
    4. To establish a fixed set of procedures that never change
    Show answer

    C. To drive continuous improvement and learning in a systematic way The PDCA cycle (also known as the Deming Cycle) is a fundamental tool for continuous improvement, allowing organizations to test changes, learn from results, and refine processes, as thoroughly described by Walton.

  5. Question 5

    Deming's concept of 'common cause' variation refers to what?

    1. Variation caused by specific, identifiable events or individuals
    2. Variation inherent in the process itself, affecting all outcomes
    3. Variation that can be eliminated through simple training
    4. Variation that is always desirable for innovation
    Show answer

    B. Variation inherent in the process itself, affecting all outcomes Common cause variation is the natural, inherent variability of a stable process. Walton explains that Deming emphasized understanding and managing common cause variation through systemic changes, distinguishing it from special cause variation.

  6. Question 6

    How does Deming's approach to suppliers, as discussed by Walton, differ from traditional purchasing practices?

    1. It advocates for selecting suppliers based solely on the lowest bid.
    2. It encourages using multiple suppliers for each item to foster competition.
    3. It promotes long-term relationships with a single, qualified supplier for each item, based on quality and trust.
    4. It recommends frequent switching of suppliers to prevent complacency.
    Show answer

    C. It promotes long-term relationships with a single, qualified supplier for each item, based on quality and trust. Deming's Point 4 calls for ending the practice of awarding business on the basis of price tag alone, instead moving towards a single supplier for any one item on the basis of quality and building long-term relationships of loyalty and trust, a key departure from traditional methods discussed by Walton.

  7. Question 7

    What is Deming's stance on the traditional annual performance appraisal or merit rating system?

    1. He advocates for its continued use with minor adjustments.
    2. He views it as a necessary evil for accountability.
    3. He considers it one of the 'Deadly Diseases' that destroy teamwork and foster fear.
    4. He believes it should be replaced with peer-to-peer feedback only.
    Show answer

    C. He considers it one of the 'Deadly Diseases' that destroy teamwork and foster fear. Walton extensively details Deming's strong opposition to performance appraisals (merit rating), categorizing them as a 'Deadly Disease' because they destroy teamwork, foster fear, and focus on individual blame rather than systemic improvement.

  8. Question 8

    According to Deming, what is the role of management in driving quality improvement?

    1. To delegate all quality initiatives to a dedicated quality control department.
    2. To set high production quotas and punish those who fail to meet them.
    3. To lead the transformation by understanding variation, improving systems, and providing resources.
    4. To solely focus on financial metrics and leave operational details to lower-level staff.
    Show answer

    C. To lead the transformation by understanding variation, improving systems, and providing resources. Deming firmly believed that quality improvement is primarily the responsibility of management. Walton emphasizes that management must understand the new philosophy, drive out fear, remove barriers, and lead the systemic changes necessary for sustained quality.

  9. Question 9

    What does Deming mean by 'constancy of purpose'?

    1. Maintaining the same product line indefinitely without change.
    2. Having a clear, long-term vision for improving products and services, staying in business, and providing jobs.
    3. Ensuring all employees perform their tasks exactly the same way every time.
    4. Focusing exclusively on short-term quarterly profits.
    Show answer

    B. Having a clear, long-term vision for improving products and services, staying in business, and providing jobs. Walton explains that constancy of purpose is Deming's first point, advocating for a long-term commitment to improving products and services, fostering innovation, and resisting the pressures of short-term financial gains.

  10. Question 10

    Which of the following best describes Deming's view on mass inspection?

    1. It is an efficient way to ensure quality at the end of the production line.
    2. It is a necessary evil that should be minimized but not eliminated.
    3. It is a costly and ineffective method that should be replaced by building quality into the process.
    4. It should be expanded to every stage of production for maximum control.
    Show answer

    C. It is a costly and ineffective method that should be replaced by building quality into the process. Deming's Point 3 is 'Cease dependence on mass inspection to achieve quality.' Walton explains that Deming saw inspection as too late, too costly, and unreliable. Instead, quality should be built into the process from the beginning.

The Deming Management Method FAQ

What is the Deming Management Method?

The Deming Management Method is a philosophy and set of principles for improving quality and productivity within an organization, developed by Dr. W. Edwards Deming. It emphasizes continuous improvement, understanding variation, systems thinking, and profound knowledge.

Does the Deming Method work for small businesses?

Yes, the Deming Method is applicable to organizations of all sizes, including small businesses. Its principles on process improvement, customer focus, and employee empowerment can lead to significant gains in efficiency and profitability, regardless of scale.

How does the Deming Method differ from traditional management approaches?

The Deming Method fundamentally differs by shifting focus from managing outcomes to managing processes, emphasizing prevention over inspection, and fostering a culture of continuous learning rather than command and control. It rejects management by objectives without understanding the system.

What are the 14 Points of Deming?

The 14 Points of Deming are a set of management guidelines for transforming business effectiveness, covering areas like constancy of purpose, eliminating fear, driving out waste, and instituting leadership. They form the core framework for implementing the Deming philosophy.

Is the Deming Management Method still relevant today?

Absolutely. Despite being developed decades ago, the core principles of the Deming Method, such as continuous improvement, data-driven decision making, and customer focus, remain highly relevant and critical for success in today's dynamic business environment.

What is 'Profound Knowledge' in the context of Deming's philosophy?

Profound Knowledge is a system of thought proposed by Deming, comprising four interrelated parts: appreciation for a system, knowledge about variation, theory of knowledge, and psychology. It provides a lens through which managers can understand and improve their organizations effectively.

How can I implement Deming's principles in my company?

Implementing Deming's principles involves a commitment to continuous learning, focusing on process improvement, fostering teamwork, empowering employees, and using statistical methods to understand variation. It requires top management dedication and a long-term perspective.

How is the Deming Method different from Lean or Six Sigma?

While sharing common goals of quality and efficiency, Deming's Method provides the overarching philosophical foundation, whereas Lean and Six Sigma are often seen as toolsets or methodologies that can be used to achieve Deming's principles. Deming's focus is broader, encompassing leadership and cultural transformation.

About the author

Mary Walton

Mary Walton

Mary Walton is an author known for her work in management and business literature. Her notable book, The Deming Management Method, explores the principles of quality management and organizational improvement, drawing on the teachings of W. Edwards Deming. Walton's writing primarily focuses on non-fiction topics related to management practices.

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