Table 1 Frequency of scores by experts

Item#

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

2 points

3

4

13

8

2

1

0

0

1

3

1

7

1

2

3

1 point

14

15

11

15

3

12

6

9

8

10

12

16

12

23

8

0 points

8

6

1

2

20

12

19

16

16

12

12

2

12

0

14

Final score (mode)

1

1

2

1

0

-

0

0

0

0

-

1

-

1

0

Sum score (Item x point)

20

23

37

31

7

14

6

9

10

16

13

30

14

27

14

Average (sum score/25)

0.8

0.92

1.48

1.24

0.28

0.56

0.24

0.36

0.4

0.64

0.56

1.2

0.56

1.08

0.56

Total sum score