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Kano’s model of Customer Satisfaction
Dr.
Sure
j P Jo
hn
Origin of the Kano Model
Noriaki Kano Professor at Tokyo Rika UniversityInternational ConsultantReceived individual Demming Prize in 1997
Introduction• Product/service quality is main
antecedent of customer satisfaction (Cronin & Taylor 1992; Anderson & Sullivan 1993; Brady et al. 2002)
• Important to find out how each attribute performance impacts on satisfaction
• Prof. Kano pointed out that not all product/service attributes have same role in satisfying customer needs
Origin of the Kano Model
• Developed foundation for an approach on “Attractive Quality Creation” commonly referred to as the “Kano Model”
• Challenged traditional Customer Satisfaction Models that More is better, i.e. the more you perform on each service attribute the more satisfied the customers will be
Origin of the Kano Model
Proposed new Customer Satisfaction model (Kano Model)Performance on product and service
attributes is not equal in the eyes of the customers
Performance on certain categories attributes produces higher levels of satisfaction than others
Introduction• Separate among satisfaction, dissatisfaction
and delight since factors that dissatisfy and that delight are often different (Rust, Zahorik & Keiningham 1994)
• Ex. If a customer approaches an ATM then finds it to be out of cash, the customer will likely be dissatisfied, but it is unlikely that finding an ATM stocked with cash would
satisfy or delight the customer
Kano’s Model of Satisfaction
Technique used to determine the influence of attributes of products and/or services have on customer satisfaction (Kano et al. 1984)
Kano’s Model of Satisfaction
• Which products and services can be used to obtain a high level of customer satisfaction?
• Which product features have a more than proportional influence on satisfaction
• Which attributes are an absolute must in the eyes of the customer?
Kano’s Model of Satisfaction
Product/service attributes can be classified into Five groups1. Attractive Quality Attributes2. One dimensional Quality Attributes3. Must have Quality Attributes4. Indifference Quality Attributes5. Reverse Quality Attributes
Attractive Quality Attributes
• Produce satisfaction when delivered but cause no dissatisfaction if not delivered
• These attributes are not normally expected and often unintentionally surprise and delight customers.
• High performance on these has a greater impact on overall satisfaction rather than low performance
• ex. (unexpected) promotional offers
Performance/One-dimensional Attributes
• Produce both satisfaction dissatisfaction depending on performance levels
• Satisfaction is proportional to the level of fulfillment of these attributes.
• These are the most visible attributes and with which companies compete.
• ex. Gasoline consumption of a car; lower consumption leads to higher customer satisfaction
Must-be Attributes
• An attribute whose absence will result in customer dissatisfaction, but whose presence does not significantly contribute to customer satisfaction.
• Minimum required features that customer naturally expect from a product/service
• Considered as basic attributes of a product or a service.
• ex. Punctuality and safety of airline
Indifference Quality Attributes
• Indifferent attributes are those that customers perceive as not contributing to their satisfaction.
• Hence their presence or absence has no effect on satisfaction.
Ex: A doorman at the hotels or Malls
Reverse Quality Attributes
• Reverse quality elements are those attributes, which, if present, would lead to customer dissatisfaction, And if absent, would lead to customer satisfaction.
Ex: Too many complex and extra features of High tech products.
Three-Factor Theory
Typical Research Framework
Kano’s Model Process
• Identify the Voice of the Customer• Translate Voice of the Customer into
Critical to Quality Characteristics (CTQs)• Rank the CTQs into three categories:
– Dissatisfier - Must be’s – Cost of Entry– Satisfier – More is better – Competitive – Delighter – Latent Need – Differentiator
• Evaluate Current Performance
Kano Model
DelightersExcited Quality
DissatisfierMust-be
Expected Quality
“Didn’t know I wanted it but I
like it.”
“Cannot increase my satisfaction, but
can decrease.”
Dissatisfaction
Satisfaction
Service Performance
Service Performance
SatisfierOne DimensionalDesired Quality
Kano model process
• Analyze data from available sources• Brainstorm list of features and functionality• Determine type of requirements:
– Output Requirements – Service Requirements
• Kano Model Requirements Survey – User Survey
• “Functional form” vs. “Dysfunctional Form”– “How would you feel if the product had feature X?”– “How would you feel if the product didn’t have feature X?”
– Kano Questionnaire Answers:• I like it.• I expect it.• I’m neutral.• I can tolerate it.• I dislike it.
Example: Requirements Survey
Example: Requirements Questionnaire
Functional vs. Dysfunctional Comparison
Functional vs. Dysfunctional Comparison
Basic Attribute
Functional vs. Dysfunctional Comparison
Performance Attribute
Functional vs. Dysfunctional Comparison
Exciting Attribute
Evaluation Customer Requirements
C.R. A E O R Q I Total Grade1 3 6 14 23 O
2 5 6 11 1 23 O
3 6 1 4 1 11 23 I
4 13 10 23 E
5 11 1 2 9 23 A
Customer Requirement is:A: Attractive R: Reverse Q: Questionable ResultE: Expected O: One Dimensional I: Indifferent
3. Plot & Diagram
DelightersAttractive
Excited Quality
DissatisfierMust Be
Expected Quality
SatisfierOne DimensionalDesired Quality
Dissatisfaction
Satisfaction
Service Performance
Service Performance
Advantages• Aids in understanding the
importance attributes that influence customer satisfaction
• Helping the management in trade-off situations in the attribute implementation stage.
• Determining and satisfying attractive attribute requirements of consumers enables to differentiate the products and/or services over competitors.
Questions?
References• Walder, D., (1993). Kano’s model for understanding customer-defined
quality. Center For Quality of Management Journal, 39, 65 – 69.• Jacobs, R., (1997). Evaluating customer satisfaction with media
products and services. European Media Management Journal, 32, 11 – 18.
• Ungvari, S., (1999). Adding the third dimension to auqlity. Triz Journal, 40, 31 – 35.
• Sauerwein, E., Bailom, F., Matzler, K., & Hinterhuber, H. (1996). The kano model: How to delight your customers. International Working Seminar on Production Economics, 19, 313 - 327
• Zultner, R.E. & Mazur, G. H. ( 2006). The Kano Model: Recent Developments. The eighteenth symposium on Quality Function Deployment.
32
Dimensions of Quality
• Performance• Reliability• Convenience and
Accessibility• Features• Empathy• Conformance to
Standards
• Serviceability• Durability• Aesthetics• Consistency• Assurance• Responsivene
ss• Perceived
Quality
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Dimensions of Quality ( 1 of 6)
• PERFORMANCE: How well the output
does what it is supposed to do.
• RELIABILITY: probability of operating for
specific time and conditions of use
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Dimensions of Quality (2 of 6)
• CONVENIENCE and ACCESSIBILITY: How
easy it is for a customer to use the product or
service.
• FEATURES: The characteristics of the output
that exceed the output’s basic functions.
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• EMPATHY: The demonstration of caring and
individual attention to customers.
• CONFORMANCE: The degree to which an
output meets specifications or requirements.
Dimensions of Quality (3 of 6)
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• SERVICEABILITY: How easy it is for you or the customer to fix the output with minimum downtime or cost.
• DURABILITY: How long the output lasts.
• AESTHETICS: How a product looks, feels, tastes, etc.
Dimensions of Quality (4 of 6)
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• CONSISTENCY: The degree to which the performance changes over time.
• ASSURANCE: The knowledge and courtesy of the employees and their ability to elicit trust and confidence; The ability of the output (and its provider) to function as promised
Dimensions of Quality (5 of 6)
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• RESPONSIVENESS: Willingness and ability
of employees to help customers and
provide proper services.
• PERCEIVED QUALITY: The relative quality
level of the output in the eyes of the
customers.
Dimensions of Quality (6 of 6)
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When is there too much Quality
• The cost of quality erodes the profit• The quality is too far exceeding
customer expectations• Rational turns to Irrational
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Importance of Customer Satisfaction and Loyalty
• “Satisfaction is an attitude; loyalty is a behavior”
• Loyal customers spend more, are willing to pay higher prices, refer new clients, and are less costly to do business with.
• It costs five times more to find a new customer than to keep an existing one happy
41
Measuring Customer Satisfaction
• Discover customer perceptions of business effectiveness
• Compare company’s performance relative to competitors
• Identify areas for improvement• Track trends to determine if changes
result in improvements
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Difficulties with Customer Satisfaction Measurement
• Poor measurement schemes• Failure to identify appropriate quality
dimensions• Failure to weight dimensions appropriately• Lack of comparison with leading
competitors• Failure to measure potential and former
customers• Confusing loyalty with satisfaction
43
Creative Problem Solving
• Mess Finding – identify symptoms• Fact Finding – gather data; operational
definitions• Problem Finding – find the root cause• Idea Finding – brainstorming • Solution Finding – evaluate ideas and
proposals• Implementation – make the solution work
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