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Table 4 Transformation of raw ArmA-TH scores to logits and then rescored to the original scale (n = 185)

From: Investigating psychometric properties of the arm activity measure – Thai version (ArmA-TH) sub‐scales using the Rasch model

Raw score

scale score

Raw score

scale score

Raw score

scale score

ArmA-TH: Passive function

 0

0

10

12

20

17

 1

4

11

13

21

17

 2

6

12

13

22

18

 3

8

13

14

23

19

 4

9

14

14

24

19

 5

9

15

14

25

20

 6

10

16

15

26

22

 7

11

17

15

27

24

 8

11

18

16

28

28

 9

12

19

16

  

ArmA-TH: Active function

 0

0

18

22

36

28

 1

7

19

22

37

28

 2

10

20

23

38

29

 3

12

21

23

39

29

 4

14

22

23

40

30

 5

15

23

24

41

30

 6

16

24

24

42

31

 7

16

25

24

43

32

 8

17

26

24

44

32

 9

18

27

25

45

33

 10

18

28

25

46

34

 11

19

29

25

47

35

 12

19

30

26

48

37

 13

20

31

26

49

39

 14

20

32

27

50

41

 15

21

33

27

51

45

 16

21

34

27

52

52

 17

21

35

28