Refinement of the extended crosswise model with a number sequence randomizer: Evidence from three different studies in the UK

• Khadiga H. A. Sayed ,

  Contributed equally to this work with: Khadiga H. A. Sayed, Maarten J. L. F. Cruyff

  Roles Conceptualization, Investigation, Methodology, Writing – original draft, Writing – review & editing

  * E-mail: k.h.a.sayed@uu.nl

  Affiliations Department of Methodology and Statistics, Utrecht University, Utrecht, The Netherlands, Department of Statistics, Faculty of Economics and Political Science, Cairo University, Cairo, Egypt

  https://orcid.org/0000-0002-4286-6350

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• Maarten J. L. F. Cruyff ,

  Contributed equally to this work with: Khadiga H. A. Sayed, Maarten J. L. F. Cruyff

  Roles Conceptualization, Investigation, Methodology, Writing – original draft, Writing – review & editing

  Affiliation Department of Methodology and Statistics, Utrecht University, Utrecht, The Netherlands

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• Peter G. M. van der Heijden,

  Roles Conceptualization, Methodology, Writing – original draft, Writing – review & editing

  Affiliations Department of Methodology and Statistics, Utrecht University, Utrecht, The Netherlands, Department of Social Statistics and Demography, University of Southampton, Southampton, United Kingdom

  https://orcid.org/0000-0002-3345-096X

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• Andrea Petróczi

  Roles Conceptualization, Investigation, Methodology, Writing – review & editing

  Affiliations School of Life Sciences, Pharmacy and Chemistry, Kingston University, London, United Kingdom, Department of Movement Sciences, KU Leuven, Leuven, Belgium

  https://orcid.org/0000-0002-8365-6173

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