Usability evaluation model of an application with emphasis on collaborative security: an approach from social dimensions

Journal of the Brazilian Computer Society

Table 11 Total-item statistics for N3. Source: the authors

Question	Cronbach’s alpha if the item is deleted	Question	Cronbach’s alpha if the item is deleted
Q1	0.777	Q6	0.741
Q2	0.737	Q8	0.788
Q3	0.834	Q9	0.775
Q4	0.764	Q18	0.799
Q5	0.757