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Table 8 Item-total statistics. 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

0.862

Q12

0.855

Q2

0.854

Q13

0.852

Q3

0.871

Q14

0.861

Q4

0.855

Q15

0.859

Q5

0.858

Q16

0.866

Q6

0.855

Q17

0.860

Q7

0.866

Q18

0.860

Q8

0.856

Q19

0.856

Q9

0.861

Q20

0.864

Q10

0.865

Q21

0.863

Q11

0.859

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