Table 3 Item total scale score statistics of PMISS Cronbach alpha coefficient

Question 1

3,45

1,40

53,63

337,521

0,557

0,948

Question 2

2,40

1,47

54,67

339,768

0,503

0,950

Question 3

3,03

1,49

54,04

329,420

0,694

0,946

Question 4

3,97

1,08

53,11

348,742

0,474

0,949

Question 5

3,62

1,32

53,45

334,681

0,676

0,947

Question 6

3,34

1,41

53,73

328,005

0,762

0,945

Question 7

3,27

1,36

53,81

327,994

0,795

0,945

Question 8

2,60

1,37

54,47

346,401

0,410

0,951

Question 9

2,62

1,42

54,46

329,124

0,737

0,946

Question 10

2,88

1,27

54,19

334,469

0,709

0,946

Question 11

3,13

1,30

53,95

331,997

0,744

0,946

Question 12

2,94

1,34

54,13

329,102

0,784

0,945

Question 13

2,34

1,33

54,73

332,326

0,723

0,946

Question 14

2,34

1,32

54,74

333,902

0,691

0,946

Question 15

2,54

1,26

54,54

333,878

0,728

0,946

Question 16

2,43

1,28

54,65

335,173

0,688

0,947

Question 17

2,78

1,34

54,29

328,551

0,799

0,945

Question 18

2,67

1,31

54,40

330,574

0,769

0,945

Question 19

2,10

1,40

54,98

337,527

0,574

0,948

Question 20

2,58

1,31

54,50

332,714

0,724

0,946

SCALE

Mean

Variance

Standard deviation

Number of questions

Cronbach’s Alfa

Range

57,08

369,200

19,21457

20

0,949

20