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Table 12 Total-item statistics for N4. 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

Q7

0.731

Q17

0.537

Q10

0.641

Q20

0.560

Q11

0.631

Q21

0.547

Q15

0.617