A definition of quality assurance is:
The processes that ensure production quality meets the requirements of customers
This is an approach that aims to achieve quality by organising every process to get the product 'right first time' and prevent mistakes ever happening. This is also known as a 'zero defect' approach.
In quality assurance, there is more emphasis on 'self-checking', rather than checking by inspectors.
Advantages of quality assurance include:
- Costs are reduced because there is less wastage and re-working of faulty products as the product is checked at every stage
- It can help improve worker motivation as workers have more ownership and recognition for their work (see Herzberg)
- It can help break down 'us and them' barriers between workers and managers as it eliminates the feeling of being checked up on
- With all staff responsible for quality, this can help the firm gain marketing advantages arising from its consistent level of quality
Total Quality Management ("TQM")
This is a specific approach to quality assurance that aims to develop a quality culture throughout the firm. In TQM, organisations consist of 'quality chains' in which each person or team treats the receiver of their work as if they were an external customer and adopts a target of 'right first time' or zero defects.
Benchmarking is a general approach to business improvement based on best practice in the industry, or in another similar industry.
Benchmarking enables a business to identify where it falls short of current best practice and determine what action is needed to either match or exceed best practice.
Done properly, benchmarking can provide a useful quality improvement target for a business.
This can be a helpful approach for services as well as for products – for example a fast food business selling fish and chips could decide that it wanted to aim to equal McDonalds' speed of meeting customer orders for takeaway food.
A financial services firm might want its call centre staff to answer 95% of telephone calls within six rings, if this is the practice of the best in the industry.
In some cases, firms can use internal benchmarking in which best practice may be set with reference to another department, or by a similar factory in a different location.
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