Mean

SD

Item-rest correlation

If item dropped

Cronbach’s α

SpREUK1

3.37

1.23

0.416

0.885

SpREUK2

2.18

1.17

0.549

0.879

SpREUK3

2.16

1.14

0.672

0.874

SpREUK4

2.82

1.26

0.643

0.875

SpREUK5

2.02

1.17

0.698

0.873

SpREUK6

2.23

1.19

0.705

0.872

SpREUK7

3.12

1.35

0.577

0.878

SpREUK8

2.93

1.20

0.438

0.884

SpREUK9

3.02

1.23

0.539

0.880

SpREUK10

2.80

1.21

0.551

0.879

SpREUK11

2.73

1.17

0.496

0.881

SpREUK12

3.59

1.14

0.419

0.884

SpREUK13

1.97

1.13

0.590

0.878

SpREUK14

2.13

1.26

0.596

0.877

SpREUK15

2.97

1.30

0.376

0.887