These scales are tested in facilities such as, for example, is based on the relationship between the items with other items. Each level has been chosen to be representative of the quality criteria, service 10.
These scales were tested in a convenience sample and are based on the item with the highest relationship with other entries in each class were selected to be representative of the quality of service criteria.
Weighing these was tested in samples of comfort and based on the relationship between the items that have the highest with other items. . in each level are chosen to represent the quality of service of ten.