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Voice of the customer

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Voice of the Customer (VOC)

An understanding of the needs of the customer is critical to the survival of most companies. The pace of change in today’s economy mandates that a company cannot rely on its past knowledge of the customer. A detailed plan to gather and collect customer needs and customer perceptions can be described as listening to the voice of the customer (VOC). This enables the organization to:

An interesting concept to consider in this technique is to determine the reactive approaches being used and then replace them with proactive approaches. The following steps can be taken for collecting VOC data:

  1. Identify customers and their needs
  2. Collect and analyze reactive data (complaints, service calls) and then consider proactive approaches (interviews, surveys)
  3. Convert collected data into customer needs
  4. Sort out the most important attributes (the critical characteristics)
  5. Obtain specifications from the critical to quality characteristics

Not only can VOC input be useful in product and process design, but it can also be critical in six sigma team project selection and measurement.

Project Stakeholders

Any quality improvement project with high impact will bring about major changes to a system or to the entire company. The change can affect various people inside and outside of the system. Major resistance to the change can develop. As part of the defined process, attempts to remove or reduce the resistance must be made. The stakeholders involved should be identified and then a plan to convert them or to enroll them in the change process must be developed. This should provide for the needed buy-in, alternate solutions, and removal of pitfalls. Stakeholders can be identified as:

A communication plan for the stakeholders should be developed. The communication plan should involve the stakeholders and identify, on a scale, the level of commitment or resistance that the stakeholder is perceived to have. A communication plan should then be developed to reduce or remove the resistance to the change.

Identify the Customer

Total Quality is built around the customer. Everything starts and ends with customers. They define quality and ‘set expectations. They rightfully expect performance, reliability, competitive prices, on-time delivery, service, and clear and accurate transaction processing. At times, the customer of the project may not be as evident as initially thought. The receiver of the next operation, an internal department, could be thought of as a customer. The external customer of a process could be the purchaser. But yet, if the purchaser is a distributor, then they may not really be the true customer. The primary customer of the process will or should have the highest impact on the process. The primary customer is of utmost importance to the process. The sorting out of the primary customer may take some discussion on the team’s part. The question of “Who is the customer?” may bring out discoveries of “Which customers make us money?”. That is, are there certain customers that make up the bulk of company revenues? Is there a small proportion of customers that simulate the Pareto law? The case is that 80% of the revenues come from 20% of the customers, or that 80% of the net profit comes from 20% of the customers. External customers are the most important part of any business. If one can identify them and understand their requirements, we can design products (goods and services) that they will want to buy. Every business has many potential customers, and each customer has their own decision criteria. They attempt to weigh the overall value of goods and services by considering cost, quality, features, and availability factors (CQFA). Businesses compete for customers on this CQFA value grid and must excel in at least one category in order to succeed. Any flaw with customer data would be like “getting information from the wrong customers.” Companies are eager to sell products. Products are initially designed for a particular market segment, yet anyone can usually obtain the product. Those products sold to that “undersigned” market segment will not receive the best product for their needs. Therefore, customer satisfaction surveys may result in information that reflects the thoughts of a market segment for which the product was not intended. The largest portion of unhappy customers may come from the unintended end user. The company will then react to the bad data. Fingers will be pointed in the wrong direction. Even worse, the organization may fix the wrong problem.

Customers can constitute:

The following methods can be used  to collect information and data from customers or would-be customers:

The information gathered should allow the organization to identify customer requirements and spot upcoming trends. The trends will be new ways for the company to gain or retain customers. Customers seem to be more satisfied if they receive feedback than if they do not receive feedback. Clearly, the voice of the customer is critical to business success.  The relationship that management can develop with either basic customer type will affect the company’s ability to be effective in delivering customer satisfaction.

Internal Customer

An internal customer can be defined as anyone in the company who is affected by the product or service as it is being generated. The internal customer is sometimes forgotten in the effort to produce an item or service for the external customer. The immediate goal should be to produce the product or service in a simple and convenient manner for internal consumption. The effort to remember to do things a specific way, to be trained properly, to be given the proper equipment, or to be given specific instructions can often be neglected. Internal customers are often employees of the company. Kaoru Ishikawa coined “The next operation as customer” in order to remove the sectionalism of departments toward each other. The essential idea is to enable employees of all departments to come together to solve problems. Staff members such as design, manufacturing, purchasing, project, and plant engineering must consider themselves as service providers. Otherwise, the staff members are in constant struggle with the line management and employees, and nothing gets done. Within a company, the staff should consider what kind of work they can perform for the line departments. Research has shown that management practices relate to employee satisfaction, which also impacts customer satisfaction. When employees are satisfied with their treatment, given the right tools to do the job, and supported by management; customers are more likely to have higher perceptions of quality and will continue to do business with the company.  Internal employee communications for customer satisfaction can be improved through the following options:

To stay competitive in this environment, a constant schedule of training for the entire workforce is required. Typical employee training must focus on helping them do their job better.

External Customers

External customers are not part of the organization but are impacted by it. End users, Intermediate customers, and impacted parties are described in more detail below. Generally, external customers play a critical role by providing a major portion of company revenues.

  1. End Users
    The category of external customers includes those that purchase a product or service for their own use. In this case, they would be the “end-user” of the product.
  2. Intermediate Customers
    Intermediate customers purchase the product or service and then resell, repackage,  modify, or assemble the product for sale to an end-user. These “channels” can provide volume sales opportunities for a business but will have significantly different requirements than end-users.
    Examples of intermediate customers include:
    • Retailers
    • Distributors
    • Manufacturer’s representatives
    • Wholesalers
    • Transport companies
  3.  Impacted Parties
    The third external category is those who did not purchase or use the product but are impacted by it. Certainly, the families of the authors would be in this category.
    Meeting external customers’ needs can become a complex process.

External Customer Identification

External customers may be sorted in many ways in an attempt to better understand their requirements and identify possible market niches. Business customers can include for-profit and not-for-profit enterprises. Examples of not-for-profits might include schools, hospitals, public agencies, etc. The various customer groups could  also be reviewed for:

The consumer customer market differs from the business market as follows:

Customer Service

The customer-driven company is beginning to emerge in America. A project team could certainly focus on an improvement in customer service. The public demands and expects better quality products and services. One sample program follows:

There is the need to listen to the customer, provide a vision, provide training, improve the process, find or develop response metrics, and measure the results. About 70% of customers who leave a company do so not because of the product quality, but because of service quality.  Whiteley  suggests that the following information is essential:

Note, there is also a need to obtain information from non-customers.

Customer Retention

Most organizations spend the bulk of their resources on obtaining new customers and smaller amounts on retaining customers. High customer satisfaction numbers do not necessarily mean the company has good customer retention and good customer loyalty. It has been found that current customers are worth as much as five times more than new customers. The cost of retaining a current customer is only one-fourth the cost of acquiring a new customer. Another study showed that companies will boost profits by about 100% by just retaining 5% more of their customers. The life cycle of a customer is defined by 5 stages:

The effort to retain customers requires some effort on the company’s part. Over 60% of dissatisfied customers are so tired of poor service that they think it is futile to complain. Customers buy expectations, not just products and services. A happy customer is sometimes known as an “apostle.” The apostle is thrilled and enthused with the product and is willing to tell the world about it and your company. They will assist you with product troubleshooting when problems occur and are your best source of new product ideas. Clearly, the objective is to create and nurture more apostles. Unfortunately, an unhappy customer can be even more devastating. They can become “terrorists,” and will broadly spread a negative message. Some techniques for getting to know customers better:

Customer Loyalty

The value of a loyal customer is not measured on the basis of one gigantic purchase, but rather on his/her lifetime worth. Loyal customers account for a high proportion of sales and profit growth. Customer retention generates repeat sales, and it is cheaper to retain customers. For example, in life insurance, a new policyholder becomes profitable in 3 years. In the credit card business, the break-even point for a new customer is 6 years due to high marketing and bad debt costs. Customer loyalty is something that must be demonstrated through an act of execution, trust, or delightful service. They become partners.

Customer Metrics Selection

The metrics that will affect projects involving suppliers, internal processes, and customers would be quality, cycle time, cost, value, and labor.

The primary metrics for consideration in a project could come from several sources:

Garvin  and Besterfield  suggest nine dimensions of quality measurement:

Hill presents similar measurements that are important in the marketplace. Hill framed his characteristics to answer the question, “How do products win orders in the marketplace?” His suggested measurements are:

The secondary or consequential metrics would be derived from the primary metrics. For example, if cycle time was determined to be a key metric, the next step would be to establish the numerical measurement.  Examples of measurements include:

Collecting Customer Data

Collecting data to gain “the voice of the customer” is a multi-level task. When collecting data from customers, it helps to consider the levels where customers impact the business.

  1. Business Level
    Customers at this level are primarily shareholders and top management employees. The data of interest is primarily financial data such as stock price, market share, revenues, earnings, return-on-investment (ROI), return-on-net assets (RONA), etc. Typical measurement intervals may be quarterly or annually.
  2. Operations Level
    Customers at this level are primarily those who purchase the product (external) and those who manage production operations (internal). Data of interest measures overall process performance with the focus on customer satisfaction (external measures of operational effectiveness), and internal operations efficiency (internal measures such as rolled throughput yield, sigma levels, WIP inventory, etc.). Typical analysis tools come from six sigma methods and lean manufacturing, industrial engineering, and various forms of operations analysis. Typical measurement intervals may be daily or weekly.
  3. Process Level
    Customers at this level are primarily internal, including employees and the “next process” in the operation. External customers include suppliers for detailed materialspecification questions. Data of interest primarily involves key process variables. Typical analysis tools are statistical methods for process control, capability, and improvement. The typical measurement may vary from hours to fractions of a second, depending on production rates. Since employees are customers, they should be surveyed on a regular basis. Jack Welch has stated that employee satisfaction is a key toward greater productivity and quality. He feels the survey factors should include: 
    • Job satisfaction
    • Advancement fairness
    • Training
    • Treatment: respect & dignity
    • Pay
    • Company’s interest in the well-being

Voice of the Internal Customer

Surveys can establish a communication process serving as a tool for overall improvement. Information should be gathered on improvement efforts and some of the following factors:

Voice of the External Customer

The voice of the customer is an expression for listening to the external customer. It is necessary to have constant contact with the customer. To some companies, complaints are the only way that they listen to their customers. It has been stated that complaints are gold because complaints let the company know how to improve, and how to beat the competition. Among the ways that a company can listen to the external customer are:

Determining Critical Customer Requirements

Customers ultimately determine the value of any product (goods and services) with their decision to buy or not buy. These decisions are made based on a complex system of critical customer requirements.  In order to manage (control and improve) any business process, one must be able to determine the critical customer requirements that influence these decisions. Customer value consists of cost, quality, features, and availability factors (CQFA). To prosper, a business process must do well in at least one of these four areas while at least meeting acceptable levels in the others. If a business can be “best in class” in one of these four quadrants, or above average in more than one quadrant, they can thrive. However, the level of the bar in all of the quadrants is constantly changing because of the environment and competition. For this reason, the determination of critical customer requirements must be a continuing activity rather than a one-time study. In addition to looking at customer’s CQFA preferences, it also helps to understand the entire system of customer expectations, needs, and priorities. To understand the critical relationships and interactions of all these factors, tools, such as the cause-and-effect matrix and quality function deployment, should be employed.

Customer Expectations

Deep knowledge and understanding of the customer are required in order to properly serve them. There is a need to go beyond the sale, to uncover the subjective factors of why the product was purchased. By emphasizing the need to listen to the customer, one will gain a better understanding of the customer’s expectations, priorities, and needs. The customer’s expectations can be described through an analogy similar to Maslow’s hierarchy of human needs. :

Customer Priorities

The customer will have priorities as to which of their many expectations and needs will be met. Thus, a supplier has a problem in determining how to know what their customers want and what the company’s priorities should become. Services or products that are of a high priority today, maybe unimportant 5 years later. This could be related to the sale of newspapers. They are very high in importance at the moment of publication, but not as high in value in 5 years (unless that particular issue featured something outstanding). Companies can make use of customer interviews, surveys, focus groups, phone surveys, mail surveys, audits, sales reports, or other data gathering tools to identify customer needs and expectations. Those same tools can be used by the customer to assign priorities to the quality attributes of the company’s product or service. The tools do not have to be complicated but should ask the right questions:
– What attributes are of value?
– How desirable is each attribute (using some form of rating)?
– How do we compare with competitor’s products?
– What other features or services would be of value?
The use of priorities for customer needs and expectations can enable the company to respond in a more timely manner.

ELEMENTS OF CUSTOMER-DRIVEN ORGANIZATIONS

The proper place of the customer in the organization’s hierarchy is illustrated in Figure below. This perspective is precisely the opposite of the traditional view of the organization. The difficulties involved in making such a radical change should not be underestimated.

A customer- and market-driven enterprise can be defined as one that is committed to providing excellent quality and competitive products and services to satisfy the needs and wants of a well-defined market segment. The journey from a traditional to a customer-driven organization has been made by enough organizations to allow us to identify a number of distinct milestones that mark the path to success. Generally, the journey begins with the recognition that a crisis is either upon the organization, or imminent. This wrenches the organization’s leadership out of denial and forces them to abandon the status quo. When the familiar ways of the past are no longer acceptable, the result is a feeling of confusion among the leaders. At this stage the leadership must answer some very basic questions:

A ‘‘value’’ is that which one acts to gain and/or keep. It presupposes an entity capable of acting to achieve a goal in the face of an alternative. Values are not simply nice-sounding platitudes, they represent goals. Pursuing the organization’s values implies building an organization that embodies these values. This is the leadership’s vision, to create a reality where their values have been achieved.
Customer-driven organizations share certain common features.

 TRADITIONAL ORGANIZATIONSCUSTOMER- DRIVEN  ORGANIZATIONS
Product and service delivery attitudeIt is OK for customers to wait for products and servicesIt is best to provide fast time to market products and services
Product and service
planning
  • Short-term focus
  •  Reactionary management
  • Management by objectives
    planning process
  • Long-term focus
  • Prevention-based management
  •  Customer-driven strategic
    planning process
 Measures of
performance
  •  Bottom-line financial results
  • Quick return on investment
  •  Customer satisfaction
  • Market share
  •  Long-term profitability
  •  Quality orientation
  •  Total productivity
 Attitudes toward
customers
  •  Customers are irrational and
    a pain
  •  Customers are a bottleneck
    to profitability
  •  Hostile and careless
  •  ‘‘Take it or leave it’’ attitude
  •  Voice of the customer is
    important
  •  Professional treatment and
    attention to customers is
    required
  •  Courteous and responsive
  •  Empathy and respectful
    attitude
 Quality of products
and services		 Provided according to
organizational requirements		 Provided according to
customer requirements and
needs
 Marketing focus Seller’s market
Careless about lost
customers due to poor
customer satisfaction		 Increased market share and
financial growth achieved
 Process
management
approach		 Focus on error and defect
detection		 Focus on error and defect prevention
 People orientation People are the source of
problems and are burdens on
the organization		 People are an organization’s
greatest resource
 Mode of operation
  •  Career-driven and
    independent work
  •  Customers, suppliers, and
    process owners have nothing
    in common
  •  Management-supported
    improvement
  •  Teamwork between suppliers,
    process owners, and customers
    practiced
 Improvement
strategy
  •  Crisis management
  • Management by fear and
    intimidation
  •  Continuous process
    improvement
  •  Total process management
Basis for decision making
  •   Product-driven
  • Management by opinion
  •  Customer-driven
  • Management by data

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