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Managing the quality of products and services is very important to ensure that the business excels in meeting the customer requirements and achieves organizational goals. Whether it’s a manufacturing firm producing hardware or a software company providing services to clients, quality management is the very essence of continuous improvement and business growth. We can trace back the origins of modern quality management principles to Henry Ford’s process and quality management practises that he used in the company’s production lines. However, after the Second World War, it was Japan that emerged as the strongest proponent of Quality Management as they rebuilt their economy with the help of great statisticians and engineers like Shewhart, Deming and Juran.

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By combining quality control techniques and statistical process control methods, several quality management principles were formulated that are to this day used in industries across the world. Whether you are a professional in the services industry, a quality manager or a businessman, you can learn more about service quality management in our Udemy courses on Quality Management.

While product quality is measured through its ability to meet the user’s requirement and the value of its features and characteristics, service quality is more of a comparison of the customer expectations and the service performance. Though the principles of improving product quality are applicable to services as well, it’s very important to know the focus areas of improvement with respect to increasing customer satisfaction when it comes to service quality management. This can be done by measuring the gap between customers’ expectations and how they perceive the services offered to them. The larger the gap size, the more improvements to be made.

What is Service Quality Management?

The process of managing the quality of services delivered to a customer according to his expectations is called Service Quality Management. It basically assesses how well a service has been given, so as to improve its quality in the future, identify problems and correct them to increase customer satisfaction. Service quality management encompasses the monitoring and maintenance of the varied services that are offered to customers by an organization.

Whether you are in the software business offering services to clients or operate in the food, hospitality or travel industry, service quality management is integral to managing customer expectations and business growth. The service quality can either relate to the service potential (qualifications of the persons offering service), service process (quickness, reliability etc.) or the service result (meeting customer expectations). 

Dimensions of Service Quality

Measuring of service quality relies on the customer’s perception and this could be different from the expected service. To determine the gap between services expected and perceived service, several models are used like the SERVQUAL model, RATER model, e-SERVICE QUALITY etc. The main dimensions of service quality determination are as follows:

This Six Sigma Green Belt training course shows how all of these come together to define service quality.

Measuring Software Quality

Software quality measurement and assurance involves processes that check if the developed software meets the standardized specifications and works accurately. SQA (Software Quality Assurance) is an integral part of the complete software development life cycle and regularly measures the different attributes of the software before it’s released. This way the businesses ensure that high-quality software services are delivered to the customer on-time. Quality control is achieved through software testing, verification and validation, and other processes to detect bugs or errors and fix them appropriately. Let us now look at some of the aspects of software testing, defect tracking and measurement for better understanding of software quality measurement.

Software testing is the process of evaluating the performance of the software by providing inputs and observing the outputs thereby ensuring that the application meets the technical, functional, user and business requirements as specified. Our courses on Software Testing will give you more insights into the different types of testing processes that are popularly used. Testing is part of the software development cycle and involves verification of the code, identifying defects or bugs and evaluating the different functionalities like usability, security, compatibility, performance and installation etc.

Testing Methodologies

Static Testing – The processes of reviewing, inspection, walkthroughs etc. wherein verification of the software takes place without actually running the code, is called static testing. Syntax, code structure, data flow etc. are checked and static analysis like mutation testing is also used to check for efficiency of the test cases.

Dynamic Testing – When the programs are executed with the help of test cases and software is validated, the process is called dynamic testing. This kind of testing is done even before the programming is complete so that sections of code are tested individually using tools like stubs or drivers and can be done manually or through automation.

White-Box Testing – The testing approach wherein the internal system of the application is tested thoroughly and is applied at the unit, functional and system level testing processes. It’s effectively used to detect the maximum number of errors or bugs except the unimplemented sections or in case of missing requirements. The different techniques of white-box testing include:

Black-Box Testing – This involves testing of the software functionalities without going into the intricate details of the software code or system. The user-end features are tested and several scenarios are tested for user acceptance or integration etc.

Compatibility Testing – A software application doesn’t serve the desired purpose if it’s not compatible with other applications, operating systems or target environments. Compatibility testing ensures that these issues do not exist in the software developed.

Regression Testing – Software development involves a lot of change management due to changes in customer requirements and this sometimes causes errors in software that was previously working fine. Regression testing is very helpful to find bugs after a major code change has happened or to uncover old bugs that might have crawled in. The common method to conduct regression testing is to use old test cases and check if faults that were fixed earlier have re-occurred. Due to the enormity of the testing process in regression method, it’s the most time-consuming of all testing methodologies and are often automated to reduce testing cycles.

Performance Testing – The performance of a application is tested to measure several attributes like usability, scalability, responsiveness, reliability, stability etc. The different kinds of performance testing are as follows:

In this article, we’ve taken a peak into Service Quality Management and ways to measure and track it. Of course, this is just the tip of the iceberg, and there are many ways to customize these principles to suit different industries.

Page Last Updated: July 2021

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