METHOD OF ANALYSIS OF VALUE OF USE

Quality assessment consists of quantifying the current performance level in accordance with performance standards. Quality assessment measures the difference between expected and actual performance to identify opportunities to improve quality. Performance standards can be set for different quality dimensions, such as quality of technical performance or quality of compliance. The differences between the products belonging to a class are given by the qualitative characteristics that describe the product's particularities. Basic features are those that play a direct role in product functionality and can be estimated at the time of purchase. The use characteristics are those that describe the behavior of the product over time. This class includes reliability, maintainability and availability.