Table 4 General Scale Readings.

From: Developing and validating a short version of the multidimensional depression scale in asian adolescents sample using rasch analysis

Scale

Infit MNSQ (Person, Item)

Outfit MNSQ (Person, Item)

Separation (Person, Item)

Reliability (Person, Item)

% of variance explained by the measures

Eigenvalue of contrasts

Misfitting items, HFI, LFI

Largest correlated pairs, (Largest correlation observed)

Largest DIF item observed, (DIF Contrast)

MDAS52-5pt

0.99, 1.00

0.98, 0.98

4.02, 5.98

0.94, .97

57.5%

1st: 2.88, 2nd: 2.31, 3rd: 2.08, 4th: 1.51

(NONE), #28, #17

#7&#8, (0.21)

#23, (− 0.37)

MDAS52-4pt

1.00, 1.00

1.00, 1.00

4.20, 6.28

0.95, .98

52.3%

1st: 2.79, 2nd: 2.28, 3rd: 2.02, 4th: 1.54, 5th: 1.53

(#28), #28, #17

#7&#8, (0.24)

#23, (− 0.33)

MDAS24-4pt

1.00, 1.00

1.00, 1.00

3.46, 5.54

0.92, .97

54.2%

1st: 1.86, 2nd: 1.60, 3rd: 1.50, 4th: 1.30, 5th: 1.17

(NONE), #12, #17

#4&#44, (− 0.15)

#45, (0.28)

  1. Scale indicates the version of scale which we obtained the scale readings; * Indicates the item pairs were not the largest correlated pairs but exceeded ± .20; #1 indicates item 1 and so on; HFI indicates the item with highest item fit MNSQ; LFI indicates the item with lowest item fit MNSQ; 4pt indicates the 4 point-scale version; 1st indicates the 1st contrast in the PCAR and so on.