A corporation is improving an old type of fully automatic dishwasher.
According to the company’s sales network and through
market survey, the company’s twenty customers are selected to
help identify CRs for the company’s product. Expressed by customers’
words, the fourteen original requirements are identified. By
using the affinity diagram, these fourteen requirements are categorized
into six major CRs which are identified to represent the biggest
concerns of the customers. They are ‘thorough washing’ (CRs
1),
‘short washing time’ (CRs
2), ‘quiet washing’ (CRs
3), ‘thorough rinsing’
(CRs
4), ‘small washing expenses’ (CRs
5), and ‘no damage to dishes’
(CRs
6).