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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