• Jaśko, Katarzyna, Jagiellonian University, Kraków
• Jaśko, Katarzyna, Institute of Psychology, Jagiellonian University, Krakow, Poland
• Jedinger, Alexander, GESIS – Leibniz Institute for the Social Sciences, Cologne, Germany
• Jetten, Jolanda, University of Queensland, Brisbane
• Jochemczyk, Łukasz, University of Warsaw, Warsaw, Poland
• Jonas, Eva, Department of Psychology, University of Salzburg, Salzburg, Austria
• Jones, Alex, School of Psychology, Swansea University, Swansea, United Kingdom
• Józefczyk, Anna, University of Lodz, Łódź, Poland
• Kamble, Shanmukh, Department of Psychology, Karnatak University, Dharwad, India
• Karaś, Dominika, Institute of Psychology, Cardinal Stefan Wyszynski University in Warsaw, Warsaw, Poland
• Karg, Simon Tobias, Department of Political Science, Aarhus University, Aarhus, Denmark
• Keefer, Lucas A., University of Southern Mississippi, Hattiesburg, MS
• Keller, Matthias, University of Basel, Basel, Switzerland
• Kemmer, Jule Anna, Department of Psychology, Marburg University, Marburg, Germany
• Kende, Anna, ELTE Eötvös Loránd University, Budapest, Hungary