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Table 3 Item location and fit for FACT-G

From: A Rasch and factor analysis of the Functional Assessment of Cancer Therapy-General (FACT-G)

   

Infit

Infit

Outfit

Outfit

Items

Person Measure

S.E.

MNSQ

ZSTD

MNSQ

ZSTD

PWB1

-0.31

0.06

2.00

9.90

1.95

9.90

PWB2

0.13

0.06

0.92

-1.00

0.95

-0.50

PWB3

-0.07

0.06

1.27

3.50

1.17

2.00

PWB4

0.06

0.06

1.27

3.50

1.29

3.20

PWB5

-0.12

0.06

1.22

3.10

1.19

2.60

PWB6

-0.08

0.06

0.58

-6.90

0.55

-6.90

PWB7

0.09

0.05

0.75

-3.50

0.69

-3.30

SWB1

0.66

0.08

1.19

2.20

1.14

0.77

SWB2

-0.28

0.09

0.81

-1.80

0.66

-2.60

SWB3

0.20

0.08

0.91

-1.00

0.87

-1.50

SWB4

-0.30

0.08

1.13

2.20

1.20

1.90

SWB5

-0.28

0.09

0.85

-1.60

0.83

-1.40

SWB6

-0.62

0.09

1.37

2.30

1.63

2.30

SWB7

2.30

0.07

1.57

5.00

2.63

7.40

EWB1

-0.07

0.07

1.00

0.00

0.95

-0.70

EWB2

-0.78

0.06

2.10

9.90

2.36

9.90

EWB3

0.23

0.06

1.14

1.40

1.41

2.20

EWB4

-0.10

0.07

0.81

-2.80

0.80

-3.00

EWB5

-0.05

0.06

1.06

0.80

0.97

-0.40

EWB6

-0.34

0.06

1.49

6.40

1.42

5.30

FWB1

0.60

0.06

1.30

4.00

1.37

4.40

FWB2

0.45

0.06

1.10

1.50

1.05

0.60

FWB3

-1.04

0.07

0.77

-3.70

0.76

-3.70

FWB4

-1.03

0.06

1.38

4.70

1.59

5.40

FWB5

-0.20

0.06

1.58

7.50

1.74

8.40

FWB6

0.00

0.06

0.87

-1.90

0.87

-1.80

FWB7

-0.01

0.06

0.92

-1.10

0.89

-1.40

  1. *Infit/Outfit > 1.3 is highlighted in bold; Infit/Outfit < 0.70 is highlighted in italics.
  2. ** Table shows final item locations for scales when misfitting items have been removed, as well as initial fit statistics & parameters for those misfitting items.