The Quality Imperative In The New Economic Era MYRON TRIBUS, Director Center for Advanced Engineering Study Massachusetts Institute of Technology YOSHIKAZU TSUDA Professor of Statistics Rikkyo University Tokyo August 1985 THE Quality IMPERATIVE In the last thirty-five years a new principle regarding competitive advantage has emerged and is having a profound impact on international trade. This principle runs counter to generally accepted concepts in economics. Most economists seem unaware of its validity, origin, theoretical basis or its evident impact on international trade. The new principle as yet has no name. Since so many concepts of economics are reminiscent of thermodynamics, I suggest it bc called the "Zeroeth Law of Quality Management". THE ZEROETH LAW OF QUALITY MANAGEMENT: THE PRODUCER OF HIGHEST QUALITY IS LIKELY TO BE THE PRODUCER OF LOWEST COST Appreciation of this principle requires that the word "quality" be properly understood. As Pirsig (1) has demonstrated in his delightful little book, "Zen and the Art of Motorcycle Maintenance' the word "quality" cannot be defined by reference to more primitive ideas. It is itself a primitive idea. To explain it requires that examples be given of what is and is not meant when the word "quality" is used. To begin, it is possible to say what quality is not. For example: QUALITY IS NOT A SYNONYM FOR FEATURES The features of a product or service are those attributes which are designed into the product to meet special desires of the customer. Features serve to define the market niche for which the product was made. In homebuilding, for example, contractors will often say they are building a house of "high quality" when, in fact, they mean they are adding features to the house. A home builder once proudly explained that his houses were of high quality because they boasted air cleaners, music in every room, double glazed windows and similar expensive features. However, when I visited the owners of houses he had built I found that they complained of leaks in the roof, floors that were not quite level, seepage of water in the basement. The builder used the word "quality" in a way that was deceiving to the uninitiated. People seem to think that if you order many features, you will automatically obtain a quality product. An air conditioner added to an automobile provides a feature. If the air conditioner performs quietly, consistently and flawlessly, it may be said to provide quality. Another example of a feature is color. When Henry Ford introduced his automobiles he used to say that the customer could have any color as long as it was black. The development of different colors for automobiles introduced a feature. When the paints were improved so that they did not fade in sunlight and when the finishes became smooth and mirrorlike, they added quality. Quality is associated, therefore, with integrity in delivering what a customer has a legitimate right to expect in view of what was promised at the time of the agreement to purchase. Even this definition is inadequate. Some people try to define quality by saying: Quality is "conformance to specifications" [A poor definition] What I believe they mean to say is: Non-Quality Is Non-Conformance to specifications. As every student of logic knows, the definition of a negation does not lead to the unambiguous definition of an assertion. Specifications cannot, as Pirsig has demonstrated, define quality because quality itself is a primitive idea. Specifications provide legal definitions of acceptability. In the marketplace to strive to be merely acceptable is to opt for last place. Quality producers know they must be constantly striving for improvement in quality. TO DEFINE QUALITY AS CONFORMANCE TO SPECIFICATIONS IS TO CONFUSE THE CONCEPT OF QUALITY WITH ACCEPTABILITY. TECHNOLOGY AND QUALITY There is a difference between an or craft on the one hand and a technology on the other. An art or craft is a personal skill which takes time and patience to master. It is associated with an individual person. Not everyone can develop the necessary skill, and it is found that some are much better than others. To obtain the skill, you have to hire the person. A technology is a technique which has a scientific and logical foundation to it. In a technology, the essential skills are provided by a machine. Technology transfer consists of teaching people to understand the underlying logic or science and how to use the machine. A "high technology" is one in which the reduction to practical use requires advanced education. We say a technology has been "mastered" when it is reduced to a "low technology" status, i.e., almost anyone can learn to use it. An art or craft is applied in a "cook book" style, in well described circumstances and without the need for understanding by the user. A technology, on the other hand, is expected to be applicable to many circumstances. It requires the understanding of the underlying theory and intelligence on the part of the practitioner. Technologies do not only pertain to hardware manufacture. We can recognize at least five categories of technologies. 1. TECHNOLOGIES OF PRODUCTS (to provide improved features) [Aircraft., washing machines, computers . . .] 2. TECHNOLOGIES OF PROCESSES (to provide qualities) [Cutting, imaging, heating,fastening . . . ] 3. TECHNOLOGIES OF MANUFACTURE (to improve qualities) [Robotics, automation,testing . . .] 4. TECHNOLOGIES OF ENGINEERING (features and quality) [CAD, CAM, optimization . . .] 5. TECHNOLOGIES OF MANAGEMENT (to improve quality) [CPM, PERT, CWQC . . .] Technologies of products enable new features, but they also make possible higher quality. The introduction of a truly "new" product usually involves a new feature. Steady improvement usually involves improved quality. New technologies of manufacture often make it possible to supply a quality that was not attainable before. New methods of spray painting, for example, make it possible to produce new surfaces. New methods of microchip manufacture make possible more features in a small volume. When an attempt is made to improve the quality of the output of a system by purchasing advanced machinery, we speak of it as a "technology fix". When US manufacturers first became aware that Japanese goods were being produced with higher quality and productivity they thought it was a combination of cultural and technical advantages. When they went to Japan to investigate they were surprised to find that the equipment was the same as at home. Many of them concluded that the differences were "cultural". They did not find the "technology fixes" they had expected. Garvin (2) has compared the propensity to make errors and produce flaws in comparable companies in the US and Japan. He found that in similarly equipped factories that the error rate in the US was 500 to 1000 times higher. Other observers have commented that in the US flaws are measured in parts per thousands; in Japan they are measured in parts per million. In 1979 Makoto Takamiya (3) made a study of four factories in Great Britain. Two were owned by Japanese, one by Americans and one by the British. In each case the ranks of management (except for the very top posts) were British. Table 1 shows the characteristics of the companies studied. Dr. Takamiya remarks that the popular image is that Japanese managers create a "family" in which the workers find greater happiness and that this contributes to the greater productivity and quality. In the surveys, however, the morale of American managed workers was negligibly different from the Japanese managed workers. Deliberate attempts to make workers unhappy undoubtedly can lead to lower productivity. However, efforts to increase worker happiness per se does not automatically increase the productivity of the system. Table 3 reviews the incentives used in the four companies. Dr. Takamiya attributes the differences in productivity and quality to management and identifies these areas of difference. Product selection The British had 60 types of products, the Japanese had 4 or 8, and the Americans 6. Attention to "minor" details The Japanese were meticulous with respect to details. American and British managers were lax. Work practices/supervision Japanese worker assignments were flexible. If necessary secretaries would fill in for workers as occurred in one emergency. By contrast, the jobs of workers in American run plants were governed by "job descriptions". In the British run plants, jobs were determined by agreements with the union. Discipline The Japanese insisted on strict discipline. Both the Americans and British were much more relaxed. Interdepartmental coordination The Japanese plants had strong interdepartmental coordination, enhanced by policies of frequent rotation of managers among departments. Interdepartmental relations were more formal in American run plants. In the British run plant some departments considered the other to be the "enemy". It was observed that in Japanese run plants the employees were responsible to clean up their own areas. They were involved in job improvement, were constantly monitoring their own quality and involved in discussions with supervisors about improving the workstation. There was a turnover of 28% in new hires in the Japanese plants which Takamiya attributes to encountering the strict discipline. The Takamiya study makes it quite clear that the adoption of managerial technologies makes the difference. Except for a few top spots, the management of all four companies was British. These British managers had adopted the technologies of their bosses. THE ADVANTAGES OF THE JAPANESE COMPANIES IN GREAT BRITAIN IS NOT CULTURAL. THEIR ADVANTAGE LIES IN THE USE OF IMPROVED MANAGERIAL TECHNOLOGIES BY UPPER, LOWER AND MIDDLE MANAGERS. THESE TECHNOLOGIES ARE TRANSFERRABLE TO MANAGERS WHO CHOOSE TO LEARN THEM. THE COST Quality CONNECTION The foregoing discussion has laid the basis to explain why the quality principle works and why it is of such importance in economics. Suppose two producers design their products for the same market niche. They present the customer with the same choice of features. The customer will decide which one to purchase based upon perceptions of quality and cost. Suppose the product is a fire extinguisher for use in the home. Let both have the same capacity, as testified to by Underwriters Laboratory on the label. Suppose one product has a smooth finish and the handle is free of burrs and scratches while the other shows an ''orange peel" effect in the painting and the handle is not so smooth. The customer will certainly prefer the product that exhibits superior craftsmanship. This is a subtle indicator of the aspects of the product that cannot be seen. If we were to go to the factory of the first producer we would be likely to find that the spray system is much cleaner than the competitor's. The person doing the spraying will have been trained to mix the ingredients of the paint so as to get the viscosity correct, to keep the spray gun the proper distance from the product, to keep the system clean and to inspect it periodically. It will probably be found that the competitor has not trained the operator properly and does not know what viscosity or spray pressure is best. The equipment is likely to be down for unexpected repairs. In short, the quality of the product reflects how well the manufacturing process is managed. Can anyone who examines the data of Garvin or of Takamiya doubt that when 80% of the product requires rework before it is considered acceptable, the resulting output will be of higher cost and lower quality? This fact of life is the basis for the quality principle. MANAGEMENTS THAT LEARN TO MANAGE FOR QUALITY HAVE AN UNBEATABLE ADVANTAGE OF THOSE WHO DO NOT. There are some who consider quality to be an end, not a means. They are apt to say: "Quality is free". This is a misguided statement. QUALITY MANAGEMENT IS A MEANS TO LOW COST AND HIGH PRODUCTIVITY TO SAY THAT "QUALITY IS FREE" IS TO CONFUSE MEANS WITH ENDS. This statement goes against the first principle of quality management which states: FIRST PRINCIPLE OF QUALITY MANAGEMENT QUALITY IS NEVER YOUR PROBLEM. QUALITY IMPROVEMENT IS THE ANSWER TO YOUR PROBLEM. Quality improvement is not an end. It is a means. The "leverage" of quality has been pointed out by Feigenbaum (4), who referred to the "hidden factory" i.e., the factory within a factory where employees were busy fixing the mistakes of the main factory. This hidden factory is busy taking care of rework, scrap, inspection, management meetings to see what to do to fix whatever went wrong, supporting sales people placating customers, purchasing agents who are trying to get emergency supplies because someone ordered or delivered the wrong thing, etc., etc. Feigenbaum suggests that this factory amounts to 20% of the company personnel and accounts for about 20% of the cost of manufacture. The competitive consequences of the decreasing cost quality curve are very great. Heretofore it was common experience that to raise the quality of one product over another, it was necessary to increase the cost. It was possible, therefore, for economists to speak of the market as "segmented," considering in one segment products of higher quality and higher cost and in another, products of lower quality and lower cost. It is still possible to segment the market according to features but it is now necessary to take into account the destabilizing effect of the inverse cost-quality function. The new breed of managers has learned that it is possible to lower costs by increasing quality. This means that the higher quality producer has a double advantage. The higher quality product can command a higher price, yet because it has a lower cost to the producer, it gives the enterprise a much larger profit margin than its competitors. It can use this margin in several ways, including the option to finance growth internally as it moves into new product lines. It can also keep the competitors on the verge of bankruptcy as it slowly lowers its prices and gains market share. This sort of thing has now happened in automobiles. By applying the new management techniques Japanese automobile manufacturers have attained a significant cost advantage over American producers. The following table is taken from a talk by James Harbour and indicates the situation a few years ago, just before significant managerial changes were made at some of the American automobile companies. All over the globe managements area learning the quality principles. At the Center for Advanced Engineering Study we see steady stream of foreign visitors, eager to learn the new style of management. Organizations of enthusiasts are forming in Europe, in Latin America, in Asia. Through an organization called the Association of Overseas Technical Scholars, Japan is exporting this kind of management to 17 Asian nations. Their motivation to do this is quite simple. Japan expects to move offshore to other countries those industries in which the competition has learned about quality and thereby reduced their competitive advantage. They expect to retain in Japan those industries which have a very high value added per pound of product . They intend to stay ahead of the race by concentrating on high technologies. This is a very intelligent strategy for a country which has only people as a resource and must import essentially all the materials from which it makes goods for export. QUALITY--THE ECONOMIST'S BLIND SPOT The result of the learning now going on will be that soon the quality principle will be used all over the world. Because international trade has become essential to the survival of all nations (including the USA), no company will be immune to the increased competition. Any economist who intends to provide useful forecasts and guidance to a government needs to take into account this new development. Economists make their predictions and render their judgements by studying economic indicators. These indicators are taken from the numbers which represent quantitative factors in the economy. The objective of economic theory is to provide insight and understanding of what is happening and what is likely to happen in the economy, based on data about the economy itself and whatever other information is available. Until the quality indicators are included in the theory, predictions will be inaccurate, even misleading. Existing economic theory simply would not have forecast the Japanese ability to import essentially all the raw materials it needed and then to compete with a fully developed automobile industry established in a country which needed very little importation, and to beat the industry on its own ground. It has happened with one industry after another in one country after another. The quality principles cannot be ignored any longer if economic predictions are to be of any use. The development of economics has been greatly influenced by the concepts in thermodynamics. For example the concept of "equilibrium" is discussed in terms which are quite similar to those used in discussing chemical equilibrium. Nicholas Georgescue-Roegen has gone so far as to suggest, in his book "The Entropy Law and the Economic Process" (7), that a true theory of economics should be based upon the laws of thermodynamics, especially the second law. Whether this is true or not is arguable, but his book does make clear how similar many of the arguments of thermodynamics and economics are. Economists make good use of the conservation principles of mass and energy. For example, the basic "input-output tables" for which Leontief received a Nobel Prize is a matrix which accounts for the fact that in all manufacturing processes there is a conservation principle which can be used to see how the change in activity of various industries changes the demands upon the sources of these materials and one another. The Nobel Prize Committee recognized the importance of this contribution to our understanding. The First Law (or more generally, conservation principles) provides limits to performance. You cannot make something for nothing; you cannot create energy, you can only obtain it from a source. An input-output table provides information from which it is possible to see how well the transformations occurred. In real processes of manufacture, what is actually accomplished is only a small fraction of what could be done. The theoretical limits of productive capacity are very much greater than what actually occurs. If the productive efficiencies of the future are assumed to be the same as those of the past, predictions about the future will make about as much sense as driving a car down the highway guiding it by looking at the white line in the rear view mirror. For an economic forecast to be relevant, it should take into account two factors which have a strong effect on the economy. The first is technology and the second is quality. Competitiveness derives not only from natural advantages i.e., proximity to natural resources, but also from two thrusts: INVENTION AND INNOVATION: MAKING NEW AND BETTER THINGS. QUALITY AND PRODUCTIVITY: MAKING THINGS IN BETTER WAYS. New technologies of products, processes and manufacture strongly influence invention and innovation in products. The Congress seems to see a close connection between the rate of innovation and the support for research leading to new and improved technologies on the one hand and international competitiveness on the other. The USA has had a long standing tradition of trying to support "Yankee ingenuity". New technologies of management strongly influence quality and productivity. Because so many people look upon management as a privilege, it is difficult for many of them to accept that if they use an improved technology, they are not admitting that they were inadequate in using old technology. At any rate, for a given level of technological advance, it should be obvious that the way the system is managed determines the quality of the output. Until very recently, economic theories did not take into account technology. Some economists are revising their approaches to make technology an explicit factor in their equations. To take into account technology will not be enough. Developments in quality management now have to be included as well. As a thermodynamicist I cannot help but be struck by the similarity between the role of quality in economic competition and the role of entropy in thermodynamics. Entropy is a useful measure of the potential to improve things. Gain in entropy means loss of thermodynamic quality. Gain in entropy also means loss of information. (8). As we shall see, loss of information during manufacture also means loss of quality. The formal aspects of this intriguing analogy remain to be explored (9). They are potentially of great interest. These considerations are beyond the scope of this paper. The new era of economic competition is dominated by the quality imperative. LEARN TO REDUCE COSTS THROUGH INCREASING QUALITY OR SELL OUT TO THOSE WHO ALREADY KNOW HOW. THE MANAGERIAL CHALLENGE Some people refer to the impact of quality as the "Second wave of the industrial revolution". Before the industrial revolution goods and services were produced by skilled artisans working by themselves or with apprentices. In the case of larger projects, the work was done by a hierarchy of managers and workers, under the leadership of a skilled person. The individual tasks were relatively simple and unchanging. Certain crafts could be identified: bricklaying, stonecutting, concrete mixing and pouring for example. The industrial revolution saw the skill of the individual craftsman transferred to the factory, where the work could be better organized. In United States in the 1930's the industrial revolution had progressed to the point where two kinds of unions were formed. The AFL was organized along traditional lines, according to crafts. The CIO was organized according to industry. As we shall see later, the full impact of the process of industrialization occurs when the skills of the individual person are transferred to the organization, not just to the place of work. Wherever strong international competition is occurring the number of job classifications is being severely reduced. Workers are expected to move from one task to another, filling in and helping one another as required. Whereas before people associated themselves with specialist jobs, now the emphasis is shifting. This shift requires that the jobs be described in terms of standard procedures. In a modern factory the practice is to post at the place of work a written description of how to do the task, presented in such a fashion that a person can slip into position and begin to work with a minimum of training. Complete interchangeability of workers is not possible, of course, but that is the ideal--the complete transference of the skill to the organization. In such a setting it is important that the human not be diminished. Managerial approaches which respect humanity are the hallmark of the successful manager. Until recent times, top management and schools of management have paid very little attention to technologies aimed at increasing quality. This is certainly not because the basic information was unknown. The theory was laid down by Walter Sherwhart in the 1930's (10). Statisticians such as W. Edwards Deming and Joseph Juran have carried the message around the globe ever since. Dr. Deming's most recent book (11) is devoted to the changes managements must make to apply the technologies for quality. But their teachings were ignored everywhere (except Japan) for a half century. It is easy to look back and understand why it happened. In the era just after WWII the emphasis was on quantity of product, not quality. Now people have to learn new ways. Most people seem to learn a new outlook on life only when they must. Most of us tend to lead unexamined lives, basing our everyday actions on custom and usage. When our beliefs are challenged, most of us react with anxiety and sometimes even anger. Philosophies of management go back a long way in history. Stueart and Eastlick (12) have written a brief history of the development of managerial concepts, starting from the building of the pyramids. The Old Testament described an hierarchical organization in "Exodus' indicating that Moses "chose able men out of all Israel and made them heads over the people, rulers of thousands, rulers of hundreds, rulers of fifties and rulers of tens". The hierarchical form of organization was used by the Romans in conquering the entire known world 20 centuries ago. When reading this historic review, two things seemed to leap off the pages: HISTORICALLY: MANAGEMENT HAS BEEN A PRIVILEGE LABOR HAS BEEN A COMMODITY At the start of the 20th century, this image of what it means to be a manager was given a certain intellectual status by the work of Frederick Winslow Taylor, who became known as the "Father of Scientific Management". Here are two quotations from his work: "Hardly a competent workman can be found who does not devote a considerable amount of time to studying just how slowly he can work and still convince his employer that he is going at a good pace". "Under our system a worker is told just what he is to do and how he is to do it. Any improvement he makes upon the orders given him is fatal to his success." In later years Taylor was to lament what had been done in the name of "scientific management". He preferred to dwell upon the intellectual and scientific contributions (i.e., time and motion study, work measurement, methods engineering) which he had pioneered and did not wish to be associated with the sociological effects. Juran has called the hierarchical or "tree structure" the "Pyramid of Power" and has pointed out that the nature of the conversation changes as one ascends the pyramid. At the bottom people talk about things. Near the top they talk about dollars. The people in between are translators, who convert things (programs) into dollars (budgets) and vice-versa. This is an oversimplification, of course. Unfortunately, it is not that oversimplified. The translation of things into dollars is the way that top managements connect what happens in the factory with what happens in the macroeconomic world outside the factory. Ralph Landau, a distinguished chemical engineer, has written a strong attack on the state of economic theory. One of his main points is that while what happens at the level of the factory determines what happens at the level of the national economy, there is no theory that ties the micro- and macro- economics together. He points to physics in which it is understood that the behavior of very small particles is described by quantum mechanics while the behavior of systems of particles is described by classical physics. The connection between these two views is made through statistical thermodynamics. In economics, unlike physical the two theories are not connected. There is no micro- theory and connecting analog to statistical thermodynamics. It appears to me that the difficulty cannot be laid to the door of the economists. They, after all, have to work with the figures that are available to them. The difficulty lies in the understanding of the managers themselves as to what it is that influences the performance of the organizations they are supposed to lead. Most managers think in terms of a tree structure. This image of the organization needs to be changed if a manager is to learn the technologies associated with quality improvement. CHANGING THE MANAGER'S VIEW OF MANAGING To begin, we define the manager's job as follows: THE PEOPLE WORK IN A SYSTEM. THE JOB OF THE MANAGER IS TO WORK ON THE SYSTEM TO IMPROVE IT WITH THEIR HELP. Managers should not visualize themselves as sitting atop a portion of the pyramid. Rather they should think of themselves as responsible to: IMPROVE THE QUALITY OF THE PERFORMANCE OF SYSTEMS OF PEOPLE, MACHINES, PROCESSES AND PROCEDURES. This change in perspective cannot be mandated. It cannot be "managed". It must be led. If top management thinks of itself primarily as engaged in a struggle for power to be at the top, so will all the managers beneath them. In my opinion this has been an important factor in the decline of the British ability to compete in world markets. The top positions in British industry have been held for so long by people of privilege that they have lost touch with what life is like near the bottom of the pyramid. Something akin to the British experience has been brewing in the USA. For about 35 years American schools of Business Administration and Management have been turning out MBA's for whom entering the pyramid of power has been a guiding ambition . They have been "groomed" for "top management". The prestige schools make no bones about it. Their ambition is to produce the leaders of tomorrow's industry. Unfortunately, their training is aimed mostly at conquering the pyramid. It is certainly not aimed at starting at the bottom and straightening out how the work gets done. When the top of the pyramid is concentrated on the flow of dollars, there is a tendency in good times to take the maxim: IF IT AIN'T BROKE, DON'T FIX IT!! In stringent times, there is no time to fix things. This maxim needs to be replaced with a different one: CONTINUOUS IMPROVEMENT IS A WAY OF LIFE. To take a place in a quality enterprise, the managers need to develop new competencies and a different "image" of the enterprise. They need to learn: A NEW PHILOSOPHY OF MANAGEMENT NEW MANAGERIAL TECHNOLOGIES The new philosophy of management requires a reconsideration of the purposes of the organization, the rights, responsibilities and obligations of all the people in it, and, especially, how managers and workers should relate to one another if the organization is to be competitive in world markets where quality is a driving force. The new managerial technologies enable managers to improve systems, to increase quality (thereby cutting cost) and to smooth the flow of innovative products and the introduction of new processes. Through these technologies managers can better serve the customers and gain market share while becoming more profitable. THE OBJECTIVES OF THE NEW STYLE OF MANAGEMENT A manager must satisfy a wide variety of "stakeholder". The enterprise looks different to different people, depending upon whether they are in the organization or outside it. Figure 3 gives a picture of how different people with different interests in the organization perceive it. Competitors, customers, news reporters, financial analysts and shareholders all are on the "outside". What they see is just the tip of the iceberg. If it is a quality company they see remarkable new products, good value for the money, high quality goods and services. When they deal with salespeople they are impressed at their understanding. Customers feel that those who serve them really care about doing a good job. Shareholders see that the company is applying new technology and at the same time producing good financial figures. The company is making good contributions to the business and social environment. The company is seen by reporters as a "good citizen" in the community. They see the company growing in influence. The management of the company is invited to serve on committees of the community, and people are pleased when they do. The financial analysts report that the company is doing well, is a good investment, safe and with good growth potential. Competitors see it as a formidable force in the marketplace. Top management sees that the company is a high quality, low cost producer. The company has a good track record in the introduction of new products, bringing them out on time, within budget and free of "call backs". The products are obviously designed to meet market needs. When it is necessary to change from one kind of product to another, the changeover goes smoothly. Middle management sees that the inventory is small and that there is a rapid turnover of inventory. Things work; the systems and procedures do what they are supposed to do. Departments do their work swiftly and efficiently. The equipment is well maintained and adequately modern. The employees are cooperative. There is a spirit of "can do" about the place. Supervisors do their work in the absence of conflict. They are not caught in the middle, trying to explain why today's orders are in conflict with yesterday's orders. They generally know what to do without being told because the purposes of the company are clear. Customer values dominate decision making. The workers see that quality is important. It is not just a slogan. The management is attentive to quality, and everyone is helped to do a better job. Management is visible everywhere and does not hide out in its upper offices. Supervision is helpful and employees are urged to find better ways to do their jobs. The workers are rightfully proud of their work. They say, "WE ARE THE COMPANY". They trust the management to look out for them. They do not fear for their jobs. They believe their personal fortunes are bound up with the company fortunes. "We are all in the same boat". Very few companies meet this image of the excellent company. In the next section we shall consider how to make an audit of your company to see where it stands. HOW TO TELL WHERE YOUR COMPANY IS ON THE ROAD TO EXCELLENCE When you know what to look for, you can learn a great deal about a company by just walking around and observing things. Since we are talking about a system of people, machines and procedures, it is important to observe all three. WHEN YOU ATTEND MEETINGS: DO PEOPLE PRESENT ONLY THE GOOD NEWS? DO THEY REPORT BAD NEWS ONLY ON REQUEST? DO THEY PRESENT ONLY RAW DATA? ARE DATA ANALYZED STATISTICALLY? ARE DATA PRESENTED IN TABULAR FORM OR AS GRAPHS AND CHARTS? How topics are discussed in meetings is a good indicator of where the enterprise is heading. In figure 4 we indicate some of the indicators as measured by how the management views data in meetings. WHEN YOU TALK WITH THE WORKERS: DO THEY SPEND TIME LOOKING FOR WAYS TO IMPROVE? DO THEY TAKE DATA ON WHAT THEY ARE DOING AND THEN DISCUSS THE SIGNIFICANCE OF WHAT THEY HAVE LEARNED? DO THEY DO THEIR OWN HOUSEKEEPING AND ARE THEIR WORK AREAS CLEAN? DO THEY REGARD THE NEXT PERSON IN LINE AS A "CUSTOMER" AND TRY TO UNDERSTAND THE CUSTOMER'S NEEDS? OFTEN? ARE SAFE PRACTICES THE RULE? OBEYED? Managerial attitudes influence the attitudes of the people reporting to them. Anyone walking through an office or factory can spot things which are not quire right. How they people react to you when you point them out provides considerable evidence as to where the company is headed. Figure 6 shows how management attitudes towards defects, errors, deficiencies and problems can be used to gauge the direction of the company. An excellent company can be vulnerable. When you are at the top there is not place to go except down. Bad managerial practices can ruin an otherwise excellent company. Figure 7 shows some of the management actions, or rather inactions, which are the telltale signs of heading for bankruptcy. The most important of these actions are those in which the management does not want to see the problems. These inactions are also likely to be revealed by management attitudes towards opportunities for improvement. The road to bankruptcy is paved with managerial incompetencies. Some of these are pictured in figure 8. If you walk through the enterprise, you can see the management understands the pitfalls on the road to excellence. Some of the traps are picture in figure 9. It is easy to "walk the shop" and look for these kinds of evidence. A discussion with the workers will tell you if they are working to procedures. Talk with someone taking data and ask if they know what the data are used for? When did anyone ask? Do the numbers go anywhere besides the computer? If you ask managers what they have been working on recently, and where their time goes, you can see if the important tasks of the enterprise are being taken care of. All managers have three basic responsibilities. These are: 1. To maintain the operation. That is, to tend to daily operations, keep things going. 2. To improve the systems for which they are held responsible. 3. To provide for the future, that is, to foster invention. The degree of responsibility in all three functions varies with the level in the organization. Figure 10 shows a suggested split of responsibilities versus level in the organization. When the management does its job and the employees are all involved in improvement, a company is at its strongest. It is not possible to compensate entirely for one or the other. This balance is portrayed in figure 11. In the preceding sections we have discussed the obligations of management to press for continuous quality improvement. This pressure must be felt across the entire organization, not just on the manufacturing floor. Since the manager's job has been defined as continuous improvement of systems, our review of the available tools begins with a discussion of different ways to approach the improvement of systems. To improve a system in an organized way requires several steps. These steps will seem intuitively obvious, but experience shows that most managers do not follow them. To improve a system you need to know the following: 1. What the purpose of the system is. What do people think the system is supposed to do? How is it judged? By whom? 2 . How the system is supposed to work. Does it work the way it is intended? What goes wrong? How do the people cope with whatever goes wrong? 3. How can you define a quality output? Who decides? The people working IN the system know how to tell? Do their orders permit them to do a good job? 4. What potential exists to improve the system? THE FIRST TOOL: FISHBONE (ISHIKAWA) DIAGRAMS If you want to know what excellence is, you have to go to whomever is the judge. In general this is your customer. Many people believe they are far removed from the "customer", working deep within the organization. Quality conscious people realize that everyone in the organization is a "customer" of someone else. Once this fact is recognized, it becomes possible to identify the customers of the system. I shall use an example from our Center for it illustrates two things. First, that the methods we are discussing can be applied in an office environment. Secondly, the organization chart is a very poor guide to knowing how to improve quality. In our Center the Headquarters staff is made up of about a half dozen people. There are three active programs in the Center, each program under a Program Director. When the headquarters staff met to discuss our job it quickly became evident that our customers were the people running the programs. We decided that a quality job from headquarters consisted in giving strong and effective support to our programs. We drew an Ishikawa or "fishbone" diagram (often called a "Cause and Effect Diagram") to illustrate how the various services we rendered came together to provide good program support. This diagram is reproduced as Figure 12. If you were to come to our Center you would find this diagram on a blackboard with different people's handwriting on it. Each member of the staff was encouraged to enter ideas on the diagram. These ideas were discussed in staff meeting. The Program Directors were invited to discuss the diagram. In this way we could identify what our jobs were and how our customers perceived what a good quality operation was. Ishikawa, or "fishbone" diagrams are a powerful tool for managers. They provide a method to involve all the people in the improvement process and to see how the various factors come together to make up the total performance. THE SECOND TOOL: FLOW CHARTING A fishbone diagram helps to relate the elements of a process, but it does not really show how the process works. To see how the people and organizations interact with a process, a flow chart is helpful. One of the tasks we undertake in our office is to arrange for the annual meeting of our board of advisors. Arranging meetings, especially if they are infrequent, can be an awful chore. Our advisory board meets once per year and is drawn from a number of places around the company. Finding a suitable time in everyone's calendar is difficult, especially if the membership is voluntary. The responsibility is divided among several people in our once. Figure 13 shows a flow chart prepared by one of our secretaries, who did this after about four one hour sessions in the group. The flow chart was discussed among five of us and as a result, we were able to establish a firm procedure. This is a simple, almost trivial task, but when we worked together to undersigned it, most of the frustration we had felt around the office each year when it was time to call a meeting vanished. The flow chart provided the basis for a standard procedure. Many people object to "standard procedures". They feel that such procedures stifle creativity. However, when these procedures are not imposed from above, but are worked out by the people themselves, as a way to do a job consistently and excellently, they do not appear as a constraint. Everyone understands that at future meetings the procedures are subject to review and improvement. Figure 14 shows a flow chart for the introduction of a product. This flow chart is, of course, much more complex than a flow chart for organizing a meeting. This form of flow chart has one important advantage: It shows the relationship between the people and the work to be done. When studying a flow chart a manager can ask the following questions: 1. Who are the "customers"? The flow chart identifies suppliers and customers by the horizontal transfer lines. Whenever a horizontal line appears it identifies a transaction involving a customer and a supplier. The manager can ask if they have identified what constitutes a quality delivery. 2. What is the quality of the work? At every transfer point, if quality has been defined, it should be possible to take data on the quality of the goods or services delivered. 3. What are the barriers to good quality work? The people who work in the system can be asked to comment upon the flow chart. Does it actually show what they do? Can they show, by reference to the flow chart what their problems are? Flow charts make the situation come alive. In an extremely through provoking paper, F. Timothy Fuller(13) has shown how a flow chart can illuminated a situation that no way can do. Figure 15 shows the flow chart for a simple assembly operation. It is a simple task, merely to take a kit of parts from the input station, assemble the three parts into a new part and place it on the output station. From the perspective of the manager, it is easy to do and appears as a simple task on the manager's flow chart. Figure 16 shows what the task looks like in case of quality of the incoming kits is poor. It is not certain that all the parts are there, the operator must first check if any are missing. Depending upon which ones are missing, a different assembly procedure is followed. Furthermore, a new procedure has to be followed by the supervisor, as indicated on the diagram. What was a simple task is now seen to be complex with many more possibilities for error introduced. What makes a flow chart so useful is that once prepared it may be studied by all who participate in the process and improvements suggested. In presenting this flow chart, Fuller pointed out ways to improve it which, at first glance, would seem to be contrary to common sense. His paper makes for thoughtful reading. A THIRD TOOL: NOMINAL GROUP TECHNIQUES In the preparation of fishbone or flow charts, it is helpful to involve the people who actually do the work. Until they become habituated to working in problem solving teams, it will be found that they are often unable to contribute. There is a skill in working together to solve problems and most people do not have it without some training. Most managers have not been taught to lead a problem solving team, and are uncomfortable and unskilled at it. Nominal Group Technique (NGT), is a way to lead a group in problem solving. The steps in NGT are simple: 1. Silent Generation of Ideas a. The group is asked to remain silent for a brief period of time and to write down on a piece of paper ideas concerning the question that has been posed by the leader. (The question could well be, "What is the most important question for us to consider?") 2. Round Robin Feedback a. Each person is asked, one at a time, according to the seating arrangement, to present one idea from his or her previously prepared list. Each person is limited to one idea at a time. In this way, no one can dominate the conversation. Everyone gets a turn. When a person has run out of ideas, that person says "I pass". The leader continues to poll the group until all say "I pass". b. As each person presents an idea, it is written on a board or flip chart. The ideas are presented as brief statements without elaboration. The person writing the statements is not to editorialize or "improve". It is important that each person's idea be written down as originally presented. 3. Group Clarification of Ideas a. After the group has finished generating ideas, it will be found that many ideas are similar. Members of the group are asked by one another to clarify their ideas and the leader attempts to group ideas in similar categories, with the help of the members. During this process it will be decided by the group that certain ideas are so similar that they can be made into one. Such clustering should be done only with the consent of the persons who generated the ideas. The leader should be careful that no one is dominated by the group or has an idea lost. 4. Individual Voting on Ideas a. If there are N ideas, each person is allocated a total of (1 + 0. 5N) votes. That is, if 46 ideas were generated, each person will have 24 votes. Call the number of votes, V. Each person chooses the V most important ideas from the list and ranks them. For example, from the list of 46 ideas, each person selects 24 and ranks them in order of importance, putting a "24 " opposite the most important idea and a "1" opposite the last. b. The leader tallies the votes. The tally is done by counting not only the scores, but also the number of votes. Someone reads from the slips of paper as the leader writes to the LEFT of the idea the NUMBER OF VOTES and to the right the NUMBER assigned. After all votes have been tallied, the totals are computed. Each idea will have been ranked in two ways: To the left will be a number showing how many people thought it was an important idea. To the right will be a number telling how strongly the voters feel. 5. Presentation in a Pareto Diagram A FOURTH TOOL: PARETO DIAGRAMS A Pareto Diagram is merely a bar chart in which the bars have been arranged in descending order, with the largest to the left. Pareto charts are useful to help a group set its priorities. Figure 17 shows a pareto diagram for the time spent in different tasks by a group of office workers. On the left is the amount of time spent (measured in average annual wages) and on the right is the cumulative percentage of time. It can be seen that the total of time spent on typing, answering the telephone and retyping accounts for about 70% of the effort. Without a Pareto chart it is difficult for a group to agree on what to do next. Pareto Diagrams are an important aid to consensus building, based upon "fact based decision making". A FIFTH TOO: RUN CHARTS Run charts are merely plots of how a viable or attribute of interest varies with time. Successive observations are plotted on a graph. Figure 18 shows a run char. The importance of run charts is that the eye is very good a noticing patterns. It takes much more experience to notice patterns when numbers are displayed in tabular form. Figure 19 shows the histogram which resulted when an automatic machine tool was running freely. Figure 20 shows the distribution when the machine was placed under the control of an automatic controller. (Data courtesy of Dr. W.W. Scherkenbach of Ford Motor Company). The histogram tells at a glance that the automatic controller was overcontrolling. It produces a statistical distribution that is broader than before the control was used. A histogram can reveal a great deal about a process. A "double humped" histogram, for example, is evidence that outputs from two different processes have been mixed. SEVENTH TOOL: SCATTER CHARTS Figure 21 shows one variable plotted against another. The points form a pattern which suggests a correlation. FIGURE 21. Relationship of Actual Rates of Registration to Predicted Rates (104 cities 1960). AN EIGHTH TOOL: CONTROL CHARTS Figure 23 shows a control chart for the production of a part. The upper and lower control limits indicate the limits of "normal" or "usual" production. As long as the data points fall inside these limits, the operator (and the manager) should leave the process alone. Every process exhibits such variation. The job of the management is to find out what are the normal limits associated with this variation and decide whether they need to be improved. FIGURE 23. Deming, W.E.; Quality, Productivity, and Competitive Position. CONSTANT IMPROVEMENT IS THE NAME OF THE GAME Earlier we commented that meeting specifications is not enough. Genichi Taguchi has presented an interesting example of why this is so.(l4). In figure 24 we show the distributions of characteristics from television sets manufactured by Sony in the USA and Japan . These characteristics pertain to the color control system. The vertical bars indicate the specification limits. As indicated in the diagram, all of the sets manufactured in the USA met the specifications. They were within tolerances. The sets from Japan did not meet the specifications. Some fell outside the limits. Yet when customers were asked, it was found that they preferred the sets from Japan. Why should this be? FIGURE 24. Distribution of quality characteristic for color control In television sets manufactured by Sony in USA and Japan. We can understand better why the Japanese made sets are preferred if we recognize that the vertical line at the center of the diagram represents the most desirable value. Any deviation from this value represents a loss. We do not know precisely how to describe this loss but it makes sense to say that the loss increases as the distance from the most desired point. A simple loss function is a parabola as sketched in figure 25. FIGURE 25. A plausible loss function indicates a loss in quality proportional to the square of the deviation from best value . If we multiply this loss function by the distributions the area under the curve gives the weighted loss associated with the distributions. As shown in Figure 26 this loss is on average higher for the US produced sets even though all of the sets produced in the US were within specifications and some of the Japanese sets were not! FIGURE 26. The area under the curve when the loss function is multiplied by the distribution function indicates the weighted loss associated with each distribution. There is a fallacy in setting tolerance limits. The difference between the performance of a set that falls just inside the limits is not very different from the performance of a set that falls just outside. Yet one will be sold and the other will be reworked. We have been so accustomed to using minimum acceptable as a measure of quality that a deviation from this practice seems strange. As Dagwood Bumstead has said: That makes a lot of sense if you don't think about it. THE PROGRESSION TO EXCELLENCE We do not have too much experience in observing how a company moves from near bankruptcy to excellence. A few companies in Japan went through the transformation and their stories are given briefly in reference (15). In general, based on these experiences, it appears that the transition tends to follow these stages: STAGE 0: THE MANAGEMENT EXPRESSES CONCERN ONLY OVER MARKET SHARE, PROFITS AND RETURN ON INVESTMENT. STAGE 1: THE MANAGEMENT IS CONCERNED ABOUT QUALITY OF THE PRODUCT BECAUSE OF IMPACT ON WARRANTY COST AND CUSTOMER COMPLAINTS, LOSS OF MARKET SHARE. THE ACTION TAKEN IS TO ADD MORE INSPECTORS. STAGE 2: MANAGEMENT RECOGNIZES THAT CONTROL OF THE PRODUCTION PROCESS WILL LEAD TO LESS WASTE AND A LOWER COST TO OBTAIN ACCEPTABLE PRODUCTS. QC IS ADDED TO MANUFACTURING. STAGE 3: THE RESULTS OF QC ARE LIMITED BY REACTIONS OF PERSONNEL SO MANAGEMENT BEGINS TO EMPHASIZE QUALITY MANAGEMENT. MANUFACTURING INTRODUCES STATISTICAL QUALITY CONTROL. STAGE 4: MANAGEMENT ASKS THAT SQC AND QUALITY MANAGEMENT METHODS BE APPLIED TO ALL DEPARTMENTS WHICH BORDER ON THE PRODUCTION DEPARTMENT. (PURCHASING, TRANSPORTATION, WAREHOUSING, ETC.) STAGE 5: MANAGEMENT APPLIES QUALITY MANAGEMENT PRINCIPLES TO R&D, AND TO ENGINEERING. (THERE IS CONSIDERABLE RESISTANCE BECAUSE THESE DEPARTMENTS HAVE A HARD TIME BELIEVING THEY HAVE ANYTHING TO DO WITH QUALITY PROBLEMS) STAGE 6: MANAGEMENT RECOGNIZES THAT QUALITY MANAGEMENT PRINCIPLES WILL BE USEFUL IF APPLIED TO ALL DEPARTMENTS OF THE ENTERPRISE. STAGE 7: MANAGEMENT PROCLAIMS (AND ACTS ACCORDINGLY) THAT "CWQC IS THE COMPANY POLICY" SPECIFICALLY, THIS MEANS: QUALITY IS FIRST PRIORITY CUSTOMER ORIENTED DECISION CRITERIA PERSONNEL POLICIES RESPECT HUMANITY ALL DEPARTMENTS COORDINATE AND COOPERATE ALL EMPLOYEES INVOLVED IN IMPROVEMENT GOOD COMMUNICATION BASED ON FACTUAL DATA STATISTICAL QUALITY CONTROL SOLID RELATIONS WITH SUPPLIERS THE BARRIERS TO PROGRESS The most important barrier is the image that most managers have of the enterprises they lead. Figure 27 shows both an organization chart and a flow chart. FIGURE 27. An organization chart and a flow chart are two different "maps" of the organization and its activities. It makes a difference which one comes to mind when the manager decides to take an action. If the manager thinks of the organization in terms of the organization chart, and tries to improve the situation, it is likely that one set of actions will be taken. On the other hand, if the manager thinks in terms of flow charts, a different set of actions will come to mind. The organization man cannot see the flow processes for the tree diagram. TREE STRUCTURES VERSUS FLOW PROCESSES WHERE ATTENTION WILL BE FOCUSED TREE MOTIVATE PEOPLE FIND OUT WHO IS WRONG ALLOCATE RESPONSIBILITY FIX EVERYONE'S ATTENTION ON "THE BOTTOM LINE" CALL FOR CLEAR MEASURES OF PRODUCTIVITY CALL FOR AND REWARD INDIVIDUAL ACHIEVEMENT GIVE CRISP "MARCHING ORDERS" "DO YOUR JOB" FLOW PROCESS REMOVE BARRIERS FIND WHAT IS WRONG STUDY THE PROCESS TO PREVENT FLAWS FIX EVERYONE'S ATTENTION ON QUALITY CALL FOR CLEAR MEASURES OF QUALITY CALL FOR AND REWARD GROUP ACHIEVEMENT ESTABLISH WELL DEFINED PROCEDURES "HELP ME TO HELP YOU TO DO YOUR JOB" THE SECOND PRINCIPLE IN QUALITY MANAGEMENT A person who sees the organization in terms of a tree diagram will often try to improve the system by a technique such as "Management and Objectives". Of course it is a good idea to have objectives and to manage in such a way as to try to achieve them. It is also to discuss objectives with the people who report to you. For one thing, you need to know if their objectives are consistent with your own. Many people advocate going beyond that: They propose that each manager negotiate with the next level down and set targets for personal achievement or the achievement of an organization. Setting such targets removes from manager the responsibility to improve the system. Observations of the results of such activities suggests the second principle, also known as the Perversity Principle: THE SECOND PRINCIPLE IN QUALITY MANAGEMENT (THE PERVERSITY PRINCIPLE) IF YOU TRY TO IMPROVE THE PERFORMANCE OF A SYSTEM OF PEOPLE AND MACHINES BY SETTING NUMERICAL GOALS AND TARGETS FOR THEIR PERFORMANCE, THE SYSTEM WILL DEFEAT YOU AND YOU WILL PAY A PRICE WHERE YOU DID NOT EXPECT IT. This principle goes down hard with most audiences. Those who have learned to manage through flow charts and according to the first principle, undersigned it. Those who continue to see the world as though all organizations operated according to tree diagrams find the idea too strange to adopt. CONCLUSION - A PARABLE I am indebted to Lewis A. Rhodes of the Association for Supervision and Curriculum Development in Alexandria, Virginia for this little story. Once upon a time there was a captain of a ship who carried cargo between San Francisco and Tokyo. He followed a straight line on the map, as shown below. One day a passenger by the name of Deming came aboard and said, "Captain, why don't you follow a route like this?" and he drew a curved line as shown in the next figure. The Captain was not amused. He said, "Look here. I do not have time to follow such a route. I do not have the fuel. My customers are waiting. Everyone knows the shortest distance between two points is a straight line. I tell my men to keep the compass heading right on Tokyo. A straight line means a good bottom line." Dr. Deming got off the boat in Tokyo and he began to teach the Japanese captains how to navigate. They followed the polar route. After a while the American captain noticed that his competitors were offering lower rates and faster service. He became quite agitated and when in Tokyo harbor he demanded to inspect the other ships. He found to his amazement that they had the same power plant, the same hull design, the same amount of cargo space. The only thing he noticed was that the crew seemed to be going about their work with a certain confidence. "That's it," he said, "it's cultural." The one thing the Captain did not examine was the image of the world that was in the other Captain's head. He did not recognize that if you have a polar projection of the Earth you see things differently than if you have a Mercator projection. Too many managers still operate from the premises of the flat earth society. The techniques are there to be used. They are simple, probably simpler than many of the methods now in use. They are easy to learn. All it takes is to abandon the idea that the Earth is flat. REFERENCES 1. Pirsig, Robert M. Zen and the Art of Motorcycle Maintenance. New York, Morrow Publisher (1974) 2. Garvin, David A., "Quality On the Line", Harvard Business Review, Sept-Oct,1983, pp 64-65 3. Takamiya, Makoto "Japanese Multinationals in Europe: Internal Operations and their Public Policy Implications': Wissenschaftszentrum Berlin, September 1979 (Discussion Paper Series, International Institute of Management) 4. Feigenbaum, Armand V. "Total Quality Control': 3rd Edition, McGraw Hill Book Company, New York, (1983) 5. Harbour, James and Associates. Presentation for "Quality Day' Jackson Community College, Jackson, Michigan, September 1982 6. Harbour, James and Associates, Automotive Industries Magazine, May 1983 7. Georgescue-Roegen, Nicholas, "The Entropy Law and the Economic Process' Harvard University Press, Cambridge, MA (1971) 8. Tribus, Myron, "Thermostatic and Thermodynamics, An Introduction to Energy,Information and States of Matter' D. Van Nostrand Co., Princeton, New Jersey(1961) 9. Hunter, Stuart J, "Theory Sigma" a privately circulated paper postulating that there exists in every place of work a vast quantity of information that is ignored and could be used to predict and prevent flaws but is treated as "noise" and not subjected to proper analysis. (1983) 10. Shewhart, Walter, "Economic Control of Quality in Manufactured Product" D. VanNostrand Company, Inc., New York (1931) 11. Deming, W. Edwards, "Quality, Productivity and Competitive Position' Center for Advanced Engineering Study, MIT, Cambridge, MA (1982) 12. Stueart, Robert D. and Eastlick, John Taylor, "Library Management' Libraries Unlimited, Inc., Littleton, Colorado (1981) 13 . Fuller, F. Timothy, "There's Just Not Much Work In Anything", Presented at the Second Ellis Ott Conference, March 20, 1988, New Brunswick, NJ. 14 . Taguchu, Genichi, "The Role of Meteorological Control for Quality Control" (Privately released) Available from the American Supplier Institute, Inc., Romulus, MI 48174