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Table 1 Example of adjustment for DIF by splitting item across countries

From: Quality of life in infants and children with atopic dermatitis: Addressing issues of differential item functioning across countries in multinational clinical trials

Country

Item 1a

Item 1b

Item 1c

Item 2

A

*

  

*

B

 

*

 

*

C

  

*

*

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Health and Quality of Life Outcomes

ISSN: 1477-7525

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