13 human responsibility - quality. quality qualitative and quantitative testing –coming up in this...
TRANSCRIPT
13Human Responsibility - Quality
Quality
• Qualitative and quantitative testing– Coming up in this unit– Qualities in designing– Quantities when
designing– Testing
Quality
• Qualitative and quantitative testing– What is the root of qualitative testing?
• What qualities do designers look for in products?
• If a product is of good build quality what does that mean?
Quality
• What is the root of qualitative testing?– Qualitative has a root of quality– Quality is defined as:
• Subjectively, something might be good because it is useful, because it is beautiful, or simply because it exists. Determining or finding Quality therefore involves an understanding of use, beauty and existence - what is useful, what is beautiful and what exists. The usefulness aspect is reflected in the common usage of quality. Wikipedia
Quality
• What is the root of qualitative testing?– In the vernacular, quality can mean a high
degree of excellence (“a quality product”), a degree of excellence or the lack of it (“work of average quality”)
• How can quality be measured?
• How can build quality be measured?
Quality
• How can quality be measured?– Since quality applies to the appreciation of the
look of a product, or the way it is built then “beauty is in the eye of the beholder”
– Testing a product for quality will produce a subjective result.
– I may like something you may not.
• How do designers cope in this situation
Quality
• How do designers cope in this situation?– Dot sticking for ideas– Defining aspects of designs that people like
• E.g. do you like the colour?
– Turning subjectivity into data by counting responses
– Creating a average opinion– Reacting to consumer demands
Quality
• Qualitative Test– Like– Opinion– Subjective– Preferences
• Open ended responses
• Quantitative Tests– Measurable– Speed– Size– Weight– Voltage
• Parameters
Quality Control and Quality Assurance
Quality CONTROL
• Manufacturing– All of the tests carried when making a product– Included calibrating the test equipment– Records kept of the tests carried out– Certification awarded for adhering to standard
methods of testing– Results in providing Quality Assurance
Quality ASSURANCE
• Manufacturing– Proof that the tests have
been carried out
– Proof that an acceptable number of products have passed the tests
– Proof that equipment has been regularly calibrated
– Certification gained to prove the QA processes are regularly checked.
– QA used as a marketing tool, and gives customer faith product is of good quality
ISO 9000
• Business implications– ISO 9000 is a family of standards for quality
management systems. ISO 9000 is maintained by ISO, the International Organization for Standardization and is administered by accreditation and certification bodies.
• The organisation of the workforce can be quality assured by adhering to ISO9000.
ISO 9000
• Some of the requirements in ISO 9001 (which is one of the standards in the ISO 9000 family) include– a set of procedures that cover all key processes in the business; – monitoring processes to ensure they are effective; – keeping adequate records; – checking output for defects, with appropriate and corrective
action where necessary; – regularly reviewing individual processes and the quality system
itself for effectiveness; and
– facilitating continual improvement