Table 8 Interpersonal sub-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)

MDAS52-4pt

1.00, 0.99

1.00, 1.00

2.62, 3.16

0.87, 0.91

55.6%

1st: 1.57, 2nd: 1.29, 3rd: 1.25, 4th: 1.10

(NONE), #37, #40

#42&#43, (− 0.18)

#48, (− 0.27)

MDAS24-4pt

0.99, 1.00

0.99, 0.99

2.11, 3.26

0.82, 0.91

57.4%

1st: 1.34, 2nd: 1.23, 3rd: 1.19, 4th: 1.16, 5th: 1.09

(NONE), #48, #40

#39&#48, #39&#41*, #40&#48*, #44&#48*, #45&#48*, #40&#45*, (− 0.25)

#48, (− 0.36)

      

Removed items: #37, #38, #42, #43, #46, #47

  1. * 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.
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