Construct Validation of a Multidimensional Computerized Adaptive Test for Fatigue in Rheumatoid Arthritis

• Stephanie Nikolaus,

  Affiliations Department of Psychology, Health & Technology, Faculty of Behavioral, Management and Social Sciences, University of Twente, Enschede, The Netherlands, Expert Center for Chronic Fatigue, Radboud University Medical Center, Nijmegen, The Netherlands

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• Christina Bode ,

  * E-mail: c.bode@utwente.nl

  Affiliation Department of Psychology, Health & Technology, Faculty of Behavioral, Management and Social Sciences, University of Twente, Enschede, The Netherlands

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• Erik Taal,

  Affiliation Department of Psychology, Health & Technology, Faculty of Behavioral, Management and Social Sciences, University of Twente, Enschede, The Netherlands

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• Harald E. Vonkeman,

  Affiliations Department of Psychology, Health & Technology, Faculty of Behavioral, Management and Social Sciences, University of Twente, Enschede, The Netherlands, Department of Rheumatology and Clinical Immunology, Medical Spectrum Twente, Enschede, The Netherlands

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• Cees A. W. Glas,

  Affiliation Department of Research Methodology, Measurement and Data Analysis, Faculty of Behavioral, Management and Social Sciences, University of Twente, Enschede, The Netherlands

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• Mart A. F. J. van de Laar

  Affiliations Department of Psychology, Health & Technology, Faculty of Behavioral, Management and Social Sciences, University of Twente, Enschede, The Netherlands, Department of Rheumatology and Clinical Immunology, Medical Spectrum Twente, Enschede, The Netherlands

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