Combinations of Methods for Collaborative Evaluation of the Usability of Interactive Software Systems

Table 5

Measurements of the TII metric by application area.

CUEM	Normalized TII by application area
	iTV	Transactional web	Mobile applications
Heuristic evaluation	0,80	0,80	0,80
Cognitive walkthrough	0,65	0,50	0,35
Formal experiments	0,50	0,50	0,50
Questionnaires	0,05	0,05	0,05
Constructive interaction	0,95	0,65	0,80
Interviews	0,35	0,35	0,35
Coaching method	0,50	0,65	0,65