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Table 3 Summary of the rating scale analysis of original 4 point scale

From: The psychometric properties of the Childhood Health Assessment Questionnaire (CHAQ) in children with cerebral palsy

Category Level

Observed Average

Infit MNSQ

Outfit MNSQ

Structure Calibration

0

−33.19

0.92

0.95

None

1

−11.77

1.02

1.01

−17.48

2

8.18

0.87

0.70

1.50

3

33.06

1.31

1.26

15.95

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BMC Neurology

ISSN: 1471-2377

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