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Investigating the analytical robustness of the social and behavioural sciences

  • Balazs Aczel*
  • , Barnabas Szaszi*
  • , Harry T. Clelland
  • , Marton Kovacs
  • , Felix Holzmeister
  • , Don van Ravenzwaaij
  • , Hannah Schulz-Kümpel
  • , Sabine Hoffmann
  • , Gustav Nilsonne
  • , Livia Kosa
  • , Zoltan A. Torma
  • , Yousuf Abdelfatah
  • , Christopher L. Aberson
  • , Oguz A. Acar
  • , Ensar Acem
  • , Matus Adamkovic
  • , Timofey Adamovich
  • , Krisna Adiasto
  • , Love Ahnström
  • , Atakan M. Akil
  • Adil S. Al-Busaidi, Ali H. Al-Hoorie, Casper J. Albers, Peter J. Allen, Taym Alsalti, Micah Altman, Shilaan Alzahawi, Ettore Ambrosini, Saule Anafinova, Rahul Anand, Martin Angerer, Ariadna Angulo-Brunet, Alberto Antonietti, Jozsef Arato, Andreu Arenas, Marco M. Aviña, Flavio Azevedo, Marko Bachl, Bence Bago, Štěpán Bahník, Bradley J. Baker, Elza Balayan, Cassandra L. Baldwin, Benjamin Banai, Kasia Banas, František Bartoš, Ernest Baskin, Jojanneke A. Bastiaansen, Nadège Bault, Christopher W. Bauman, Quintin H. Beazer, Maciej Behnke, Theiss Bendixen, Sebastian Berger, Anna Bernard, Ursa Bernardic, Paul A. Bloom, Annika Boldt, Ciril Bosch-Rosa, Rotem Botvinik-Nezer, Adam Bouyamourn, Ozge Bozkurt, Laurel Brehm, Johannes Breuer, Ryan Briggs, Hilmar Brohmer, Erin Buchanan, Johannes Buckenmaier, Jeffrey Buckley, Jacek Buczny, Matthias Burghart, Bilal H. Butt, Nick Byrd, Valentina Cafarelli, Patrick Callahan, Tabaré Capitán, Kevin Carriere, Andrea M. Cataldo, Gabriel Cepaluni, Eugene Chan, Jesse J. Chandler, Chia Chen Chang, Xi Chen, Shirley Shuo Chen, Fadong Chen, Hao Chen, Valerii Chirkov, Daniela Cialfi, Beth Clarke, Sophie G. Coelho, Clara Cohen, Jason Collins, Susan W. Cook, Gaia Corlazzoli, Jamie Cummins, Christian Czymara, Jonathan D'hondt, Anna Dalla Rosa, Abi M.B. Davis, Charles P. Davis, Martin V. Day, Freya De Keyzer, Joshua R. de Leeuw, Tjeerd Rudmer de Vries, Ramit Debnath, Filip Dechterenko, Elif E. Demiral, Marc Desgroseilliers, Dominik Dianovics, Veronica Diveica, Stephan Dochow-Sondershaus, Simone Dohle, Li Chen Dong, Jonas Dora, Angela R. Dorrough, Anna Dreber, Hongfei Du, John E. Edlund, Anita Eerland, Emir Efendić, Jacob Elder, Mahmoud M. Elsherif, Mareike Ernst, Eduardo Estrada, Luis Eudave, Thomas R. Evans, Arodi Farrera, El Mehdi Ferrouhi, Lenka Fiala, Fabrício M. Fialho, Joshua L. Fiechter, Miloš Fišar, Pablo Ezequiel Flores-Kanter, Michał Folwarczny, Jessica L. Fossum, Vithor R. Franco, René Freichel, Danilo Freire, Joris Frese, Alexander C. Furnas, Johann D. Gaebler, Lisa C. Gajary, Carl Michael Galang, Benjamin Ganschow, S. Mason Garrison, Agata Gasiorowska, Bruno Gasparotto Ponne, Romain Gauriot, Alice Geminiani, Diogo Geraldes, Morton Ann Gernsbacher, Cinzia Giani, Enrico Glerean, Vukašin Gligorić, Timo Gnambs, Amélie Godefroidt, Bastián González-Bustamante, Andreas Goreis, Lorenz Graf-Vlachy, Manuel Grieder, Dmitry Grigoryev, Sandra Grinschgl, David J. Grüning, João F. Guassi Moreira, Clément Guichet, Lilas Gurgand, Hooman Habibnia, Andrew C. Hafenbrack, Sebastian Hafenbrädl, Carolin Häffner, Felix Hagemeister, Matthew Haigh, Nandor Hajdu, Narges Hajimoladarvish, Jonathan D. Hall, Maik Hamjediers, Robert M. Hardwick, Mehmet Harma, Nicholas R. Harp, Áron D. Hartvig, Raphael H. Heiberger, Arthur Heim, Øystein Hernæs, Dennis Hernaus, Tom Heyman, Joshua Hicks, Jeremy Hogeveen, Julia Höpler, Sean Dae Houlihan, Christoph Huber, Conor Hughes, Teresa Hummler, Karoline Huth, Moritz Ingendahl, Tatsunori Ishii, Ozan Isler, Kamil Izydorczak, Iain R. Jackson, Andrew Jahn, Maitri Jain, Alexander Jakubow, Daisung Jang, Jun Hyeok Jang, Marc Jekel, Fanli Jia, William Jiménez-Leal, Rebecca Johnson, Alex Jones, Sebastian Jungkunz, Pavol Kačmár, Caspar Kaiser, Yağmur Kalaycı, Jaroslaw Kantorowicz, Anıl Karabulut, Julian D. Karch, Hamid Karimi-Rouzbahani, Johannes A. Karl, Austėja Kažemekaitytė, Aliaksandr Kazlou, Zoltan Kekecs, Jin Kim, Michael H. Kirchler, Bence Kiss-Dobronyi, Kai N. Klasmeier, Jack W. Klein, Cemal Koba, Marta Kołczyńska, Pavlos Kolias, Matěj Kolouch Grabovský, Max Korbmacher, Živa Korda, Marta Kowal, André Kretzschmar, Vladislav Krivoshchekov, Angelos Miltiadis Krypotos, Marcus Kubsch, Yoshihiko Kunisato, David Lacko, Jan R. Landwehr, Martin Lange, Hongmi Lee, Daniel Lee, Sangil Lee, Edward P. Lemay, Daniel Lempert, Andrea Leo, Elise Lesage, Joel M. Levin, Peng Li, Jing Lin, Luke Lindsay, Daria Lisovoj, Meng Liu, Sihong Liu, Tingshu Liu, Sergio Lo Iacono, Paul Lodder, Rubén López-Bueno, Ruben Lopez-Nicolas, Katharina Loter, Nigel Mantou Lou, Andrey Lovakov, Jackson G. Lu, Jonas Ludwig, Finn Luebber, Jiří Lukavský, Charles Q. Luo, Xuanyu Lyu, Esther Maassen, Martin Máčel, Michael L. Mack, Christopher R. Madan, Andreas Mädebach, Joseph Maffly-Kipp, Daniel J. Mallinson, Igor Marchetti, Tyler Marghetis, Matteo M. Marini, Diego Marino Fages, Mayte Martínez, Mario Martinoli, Aidas Masiliunas, Sébastien Massoni, Kaleb C. Mathieu, Stefan Mayer, Duncan J. Mayer, Maren Mayer, Ethan M. McCormick, Ian M. McDonough, Amanda L. McGowan, Miranda M. McIntyre, Paul McKee, Armando N. Meier, Pascal F. Meier, Helena Melero, Christoph Merkle, Raphael Merz, Michalis P. Michaelides, Patrik Michaelsen, Gosia Mikolajczak, Wladislaw Mill, Philip Millroth, Kirill G. Miroshnik, Michal Misiak, Youri L. Mora, David Moreau, Chris Moreh, Coby Morvinski, Faisal Mushtaq, Tamás Nagy, Christa Nater, Elias Naumann, Gorka Navarrete, Stephan Nebe, Andre Nedderhoff, Richard Nennstiel, Martin Neugebauer, Eliana Nicolaisen-Sobesky, Yngwie A. Nielsen, Guiomar Niso, Benjamin Nowak, Mehmet Okan, Kenneth Ong, Adrian I. Onicas, Christian Oswald, Kasper Otten, Shubham Pandey, Myrto Pantazi, Paolo Papale, Philip Pärnamets, Shiva Pauer, Yuri G. Pavlov, Samuel Pawel, Jonathan E. Peelle, Hannah K. Peetz, Anton Peez, Francesca Pesciarelli, Brenton D. Peterson, Benjamin Petruželka, Jonas Petter, Jan Pfänder, Gerit Pfuhl, Joseph Phillips, Matthew T. Pietryka, Angelo Pirrone, Ilse L. Pit, Anna Plachti, Irene Sophia Plank, Matteo Ploner, Russell A. Poldrack, Monique M.H. Pollmann, Simon Porcher, Patrick Präg, Andrew Adrian Y. Pua, Jessica Pugel, Rohan Puri, Marcell Püski, Setayesh Radkani, Louis Raes, Ismaël Rafaï, Klara Raiber, Steve Rathje, Raphael Rehms, Mikhail Reshetnikov, Caleb J. Reynolds, James P. Reynolds, Kévin Rigaud, Charlie Rioux, Sebastian Rivera, Olly Robertson, Rafael Román-Caballero, Ivan Ropovik, Lukas Röseler, Robert M. Ross, Amanda Rotella, Franziska F. Rüffer, Felix Rusche, Massimo Rusconi, Irene Russo, Alexander H.J. Sahm, Janos Salamon, Margaret Samahita, Ali Sanaei, Arshiya Sangchooli, Alexandra Sarafoglou, Michele Scandola, Henning Schaak, Michael Schaerer, Eric Schares, Hayden T. Schilling, Xenia Schmalz, Kathleen Schmidt, Tom Schonberg, Marcel R. Schreiner, Joris M. Schröder, Anna Lena Schubert, Brendan Schuetze, Douglas H. Schultz, Lars Schulze, Shawn T. Schwartz, Nicole Schwitter, Bermond Scoggins, Yashvin Seetahul, Raffaello Seri, David R. Shanks, Stacy T. Shaw, Joseph Shaw, Qiang Shen, Christoph Siemroth, Martina Sladekova, Angela Somo, Arjun Sondhi, Burak Sonmez, Lisa Spantig, Maarten Speekenbrink, Angelos Stamos, Lukasz Stasielowicz, Leonie C. Steckermeier, Simon R. Steinkamp, Andrea H. Stoevenbelt, Chris N.H. Street, Jordan W. Suchow, Hans Fredrik Sunde, James Sundquist, Vsevolod Suschevskiy, Scott D. Swain, Peter Szecsi, Raluca D. Szekely-Copîndean, Ewa Szumowska, Alessandro Tacconelli, Eli Talbert, John P. Tang, Jorge N. Tendeiro, Martina Testori, Enrico Toffalini, Aleksandar Tomašević, Selin Topel, Lasse Torkkeli, Leonardo Tozzi, Jakub Traczyk, Alexander Trinidad, Darinka Trübutschek, Konrad Turek, Maximiliane Uhlich, Eric L. Uhlmann, Karolina Urbanska, Jasper Van Assche, Marcel A.L.M. van Assen, Noah N.N. van Dongen, Kenny van Lieshout, Roel van Veldhuizen, Marton A. Varga, Leigh Ann Vaughn, Fruzsina Venczel, Michela Vezzoli, Paul Vierus, Antonino Visalli, Emily Voldal, Fabio Votta, Eric Jan Wagenmakers, Anica Waldendorf, Matthew J. Walker, Matthew B. Wall, Henri Wallen, Ke Wang, Iris Wang, Y. Andre Wang, Markus Weinmann, Martin Weiß, Christian Westheide, Aaron Wichman, Juliane C. Wilcke, Benedict J. Williams, David Wisniewski, Thomas K.A. Woiczyk, Mateusz Woźniak, Joshua D. Wright, Wu Youyou, Jesper N. Wulff, Tao Yang, Siu Kit Yeung, Kenneth S.L. Yuen, Michał Zawistowski, Rizqy A. Zein, Xian Zhao, Zefan Zheng, Steven Zhou, Conrad Ziller, David Zimmerman, Cristina Zogmaister, Ro'i Zultan, Nicholas Fox, Timothy M. Errington, Brian A. Nosek
*Corresponding author for this work
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Research output: Contribution to journalArticlepeer-review

Abstract

The same dataset can be analysed in different justifiable ways to answer the same research question, potentially challenging the robustness of empirical science1-3. In this crowd initiative, we investigated the degree to which research findings in the social and behavioural sciences are contingent on analysts' choices. We examined a stratified random sample of 100 studies published between 2009 and 2018, in which, for one claim per study, at least five reanalysts independently reanalysed the original data. The statistical appropriateness of the reanalyses was assessed in peer evaluations, and the robustness indicators were inspected along a range of research characteristics and study designs. We found that 34% of the independent reanalyses yielded the same result (within a tolerance region of ±0.05 Cohen's d) as the original report; with a four times broader tolerance region, this indicator increased to 57%. Of the reanalyses conducted, 74% reached the same conclusion as the original investigation, 24% yielded no effects or inconclusive results and 2% reported the opposite effect. This exploratory study indicates that the common single-path analyses in social and behavioural research should not be simply assumed to be robust to alternative analyses4. Therefore, we recommend the development and use of practices to explore and communicate this neglected source of uncertainty.

Original languageEnglish
Pages (from-to)135-142
Number of pages8
JournalNature
Volume652
Issue number8108
Early online date1 Apr 2026
DOIs
Publication statusPublished - 2 Apr 2026

Bibliographical note

This accepted manuscript is licensed under a Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/).

Data Access Statement

Study data and materials are available on the project OSF (https://osf.io/q5h2c/) and GitHub repositories (https://github.com/marton-balazs-kovacs/multi100/). Archived data include the original datasets or a description of how to gain access to them. Our shared materials include all the survey questions and the general communication texts and instructions that we sent to the reanalysts and peer evaluators. We excluded from our data files the email addresses of the reanalysts and the records of those analysts who did not comply with the instructions and did not submit all the required analyses by the deadline. For further details about our exclusion criteria and procedure, see the Supplementary Information at https://doi.org/10.1038/s41586-025-09844-9

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