Resumen:
Due to the large number of US that emerged, several studies have been presented on methods and methodologies. These studies present checklists of the characteristics of these US (Spinola, Massolar, & Travassos, 2007). However, in this paper a quality characteristics evaluation within software environment is presented. An arborescent structure of the characteristics involved, its sub-characteristics, attributes, metrics, methods, objectives, and formula is shown in this paper.