Mean

SD

Corrected item-total

correlation

Cronbach’s alpha

if item deleted

Question 1

2.66

0.49

0.591

0.929

Question 2

2.50

0.64

0.584

0.929

Question 3

2.74

0.49

0.710

0.926

Question 4

2.61

0.58

0.740

0.924

Question 5

2.19

0.77

0.681

0.927

Question 6

2.70

0.53

0.673

0.927

Question 7

2.59

0.61

0.772

0.923

Question 8

2.52

0.60

0.739

0.924

Question 9

2.34

0.77

0.724

0.925

Question 10

2.47

0.69

0.781

0.922

Question 11

2.50

0.70

0.780

0.922

Question 12

2.41

0.71

0.658

0.927

Question 13

2.66

0.53

0.588

0.929