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

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

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