Self-selection biases in psychological studies: Personality and affective disorders are prevalent among participants

• Izabela Kaźmierczak ,

  Contributed equally to this work with: Izabela Kaźmierczak, Anna Zajenkowska

  Roles Conceptualization, Data curation, Funding acquisition, Methodology, Project administration, Writing – original draft, Writing – review & editing

  * E-mail: ikazmierczak@aps.edu.pl

  Affiliation Institute of Psychology, Maria Grzegorzewska University, Warsaw, Poland

  https://orcid.org/0000-0003-3959-0178

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• Anna Zajenkowska ,

  Contributed equally to this work with: Izabela Kaźmierczak, Anna Zajenkowska

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

  Affiliation Institute of Psychology, Maria Grzegorzewska University, Warsaw, Poland

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• Radosław Rogoza,

  Roles Formal analysis

  Affiliations Institute of Psychology, Cardinal Stefan Wyszyński University, Warsaw, Poland, Social Innovation Chair, University of Lleida, Lleida, Spain

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• Peter K. Jonason,

  Roles Funding acquisition, Supervision

  Affiliation Department of General Psychology, University of Padova, Padova, Italy

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• Dawid Ścigała

  Roles Formal analysis, Writing – original draft

  Affiliation Institute of Psychology, Maria Grzegorzewska University, Warsaw, Poland

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