## **Leaderboard for the Preregistration Challenge** ## The Preregistration Challenge was an education campaign that ended in 2018 and was supported by the Laura and John Arnold Foundation. The campaign included $1000 prizes for researchers who published the results of preregistered work. More information about the Prereg Challenge is available [on this resources page][1]. General information about preregistration is available [here][2]. | University| Rank* | Number of Researchers | Number of Preregistrations | | :----- | :-----: | :-----: | :-----: | | University of Queensland | 1 | 36 | 50 | | University of Oxford | 2 | 32 | 45 | | Stanford University | 3 | 28 | 42 | | University College London | 3 | 28 | 39 | | University of Pennsylvania | 5 | 22 | 45 | | University of Toronto | 6 | 21 | 39 | | Duke University | 6 | 21 | 32 | | University of Michigan | 8 | 20 | 25 | | University of Göttingen | 9 | 19 | 52 | | University of Edinburgh | 9 | 19 | 29 | | University of Chicago | 9 | 19 | 28 | | Harvard University | 12 | 18 | 32 | | Washington University in St Louis | 12 | 18 | 30 | | University of California-Berkeley | 12 | 18 | 29 | | Radboud University | 12 | 18 | 20 | | Skidmore College | 16 | 16 | 42 | | University of Cambridge | 16 | 16 | 23 | | University of Texas at Austin | 18 | 15 | 31 | | Brigham Young University | 19 | 14 | 16 | | University of New South Wales | 19 | 14 | 16 | | University of Southern California | 21 | 13 | 30 | | Massachusetts Institute of Technology | 21 | 13 | 23 | | University of Würzburg | 21 | 13 | 23 | | Tilburg University | 24 | 12 | 21 | | University of Minnesota | 24 | 12 | 19 | | University of Cologne | 24 | 12 | 18 | | Yale University | 24 | 12 | 18 | | Western University | 24 | 12 | 17 | | Florida State University | 24 | 12 | 16 | | University of Amsterdam | 30 | 11 | 20 | | University of Maryland | 30 | 11 | 18 | | University of Oregon | 30 | 11 | 17 | | University of Utah | 30 | 11 | 16 | | Ludwig-Maximilians Universität München | 30 | 11 | 14 | | Maastricht University | 35 | 10 | 23 | | Charles University in Prague | 35 | 10 | 19 | | University of Waterloo | 35 | 10 | 19 | | Tufts University | 35 | 10 | 15 | | KU Leuven | 35 | 10 | 14 | | University of Virginia | 40 | 9 | 30 | | University of California-Santa Barbara | 40 | 9 | 16 | | Princeton University | 40 | 9 | 15 | | Cornell University | 40 | 9 | 13 | | Max Planck Institute for Human Development | 40 | 9 | 12 | | University of British Columbia | 40 | 9 | 12 | | Vrije Universiteit Amsterdam | 40 | 9 | 12 | | University of Vienna | 40 | 9 | 10 | | Sam Houston State University | 40 | 9 | 9 | | Stockholm University | 49 | 8 | 18 | | University of Liverpool | 49 | 8 | 18 | | University of Tübingen | 49 | 8 | 17 | | Virginia Commonwealth University | 49 | 8 | 16 | | University of California-San Diego | 49 | 8 | 15 | | University of Florida | 49 | 8 | 14 | | University of Illinois at Urbana-Champaign | 49 | 8 | 14 | | Ghent University | 49 | 8 | 12 | | Northwestern University | 49 | 8 | 12 | | University of Miami | 49 | 8 | 12 | | University of Zurich | 49 | 8 | 12 | | University of Kent | 49 | 8 | 11 | | Macquarie University | 49 | 8 | 10 | | Iowa State University | 49 | 8 | 9 | | Queen's University | 49 | 8 | 9 | | University of Mannheim | 49 | 8 | 9 | | Université libre de Bruxelles | 49 | 8 | 8 | | University of Hamburg | 66 | 7 | 17 | | University of Texas at Dallas | 66 | 7 | 15 | | University of Groningen | 66 | 7 | 14 | | University of London | 66 | 7 | 13 | | University of York | 66 | 7 | 13 | | University of Kassel | 66 | 7 | 12 | | New York University | 66 | 7 | 11 | | Philipps University of Marburg | 66 | 7 | 11 | | Tel Aviv University | 66 | 7 | 11 | | University of Birmingham | 66 | 7 | 11 | | London School of Economics and Political Science | 66 | 7 | 10 | | University of Gothenburg | 66 | 7 | 10 | | University of Washington | 66 | 7 | 10 | | McGill University | 66 | 7 | 9 | | University of Connecticut | 66 | 7 | 9 | | University of Osnabrück | 66 | 7 | 8 | | Victoria University of Wellington | 66 | 7 | 8 | | Boston University | 66 | 7 | 7 | | Lancaster University | 66 | 7 | 7 | | Norwegian University of Science and Technology | 66 | 7 | 7 | | University of Portsmouth | 66 | 7 | 7 | | University of Exeter | 87 | 6 | 12 | | Kent State University | 87 | 6 | 10 | | Leipzig University | 87 | 6 | 10 | | University of Ottawa | 87 | 6 | 10 | | Humboldt University of Berlin | 87 | 6 | 9 | | Royal Holloway University of London | 87 | 6 | 9 | | University of Bath | 87 | 6 | 9 | | University of California-Davis | 87 | 6 | 9 | | University of Colorado Boulder | 87 | 6 | 8 | | Michigan State University | 87 | 6 | 7 | | University of Guelph | 87 | 6 | 7 | | University of Melbourne | 87 | 6 | 7 | | Utrecht University | 87 | 6 | 7 | | Tulane University | 100 | 5 | 18 | | University of Bristol | 100 | 5 | 14 | | University of Granada | 100 | 5 | 12 | | City University of New York | 100 | 5 | 11 | | North Dakota State University | 100 | 5 | 11 | | Brandeis University | 100 | 5 | 10 | | DePaul University | 100 | 5 | 9 | | Indiana University, Bloomington | 100 | 5 | 9 | | Johannes Gutenberg University of Mainz | 100 | 5 | 9 | | University of Sydney | 100 | 5 | 9 | | University of Warwick | 100 | 5 | 8 | | Western Sydney University | 100 | 5 | 8 | | Arizona State University | 100 | 5 | 7 | | Claremont Graduate University | 100 | 5 | 7 | | Columbia University | 100 | 5 | 7 | | Nanyang Technological University | 100 | 5 | 7 | | University of Arizona | 100 | 5 | 7 | | University of California-Los Angeles | 100 | 5 | 7 | | University of Missouri | 100 | 5 | 7 | | Colby College | 100 | 5 | 6 | | Carleton University | 100 | 5 | 5 | | Deakin University | 100 | 5 | 5 | | University of Auckland | 100 | 5 | 5 | | University of Iowa | 100 | 5 | 5 | | University of Leeds | 100 | 5 | 5 | | University of Wisconsin-Madison | 100 | 5 | 5 | | Vanderbilt University | 100 | 5 | 5 | | University of Bergen | 127 | 4 | 16 | | University of Strathclyde | 127 | 4 | 12 | | Aarhus University | 127 | 4 | 11 | | Stony Brook University | 127 | 4 | 10 | | University of Massachusetts-Lowell | 127 | 4 | 9 | | Appalachian State University | 127 | 4 | 8 | | Franklin & Marshall College | 127 | 4 | 8 | | University of Delaware | 127 | 4 | 8 | | University of Tromsø | 127 | 4 | 8 | | Carnegie Mellon University | 127 | 4 | 6 | | Erasmus University | 127 | 4 | 6 | | Missouri State University | 127 | 4 | 6 | | Swansea University | 127 | 4 | 6 | | University of Arkansas | 127 | 4 | 6 | | University of California-Merced | 127 | 4 | 6 | | University of Freiburg | 127 | 4 | 6 | | University of Manchester | 127 | 4 | 6 | | University of Münster | 127 | 4 | 6 | | University of Reading | 127 | 4 | 6 | | University of Stirling | 127 | 4 | 6 | | Uppsala University | 127 | 4 | 6 | | ETH Zurich | 127 | 4 | 5 | | Goethe University | 127 | 4 | 5 | | Hebrew University of Jerusalem | 127 | 4 | 5 | | Max Planck Institute for Research on Collective Goods | 127 | 4 | 5 | | North Carolina State University | 127 | 4 | 5 | | University of North Carolina | 127 | 4 | 5 | | University of Tennessee | 127 | 4 | 5 | | York University | 127 | 4 | 5 | | Eotvos Lorand University | 127 | 4 | 4 | | Karolinska Institutet | 127 | 4 | 4 | | King's College London | 127 | 4 | 4 | | National Autonomous University of Mexico | 127 | 4 | 4 | | Penn State University | 127 | 4 | 4 | | University of Padua | 127 | 4 | 4 | | University of Technology Sydney | 127 | 4 | 4 | | Birkbeck, University of London | 127 | 4 | 4 | | Texas Tech University | 127 | 4 | 4 | | University of Adelaide | 127 | 4 | 4 | | Pacific Lutheran University | 166 | 3 | 11 | | California State University, San Bernardino | 166 | 3 | 8 | | Cleveland State University | 166 | 3 | 8 | | Başkent University | 166 | 3 | 7 | | Ruhr-Universität Bochum | 166 | 3 | 7 | | University of Sheffield | 166 | 3 | 7 | | Flinders University | 166 | 3 | 6 | | Jagiellonian University | 166 | 3 | 6 | | University of Geneva | 166 | 3 | 6 | | University of Oslo | 166 | 3 | 6 | | Carleton College | 166 | 3 | 5 | | Leuphana University of Lüneburg | 166 | 3 | 5 | | Rutgers University-New Brunswick | 166 | 3 | 5 | | University of California-Irvine | 166 | 3 | 5 | | University of Copenhagen | 166 | 3 | 5 | | University of Otago | 166 | 3 | 5 | | University of the Sciences in Philadelphia | 166 | 3 | 5 | | University of Toronto Mississauga | 166 | 3 | 5 | | Ben-Gurion University of the Negev | 166 | 3 | 4 | | Chinese University of Hong Kong | 166 | 3 | 4 | | College of William and Mary | 166 | 3 | 4 | | Curtin University | 166 | 3 | 4 | | École Normale Supérieure | 166 | 3 | 4 | | Queen's University Belfast | 166 | 3 | 4 | | University of Bern | 166 | 3 | 4 | | University of Calgary | 166 | 3 | 4 | | University of Potsdam | 166 | 3 | 4 | | University of Richmond | 166 | 3 | 4 | | Western Kentucky University | 166 | 3 | 4 | | Colorado State University | 166 | 3 | 3 | | Friedrich-Schiller-Universität Jena | 166 | 3 | 3 | | Justus Liebig University Giessen | 166 | 3 | 3 | | Keele University | 166 | 3 | 3 | | Ohio State University | 166 | 3 | 3 | | RWTH Aachen University | 166 | 3 | 3 | | Saint Louis University | 166 | 3 | 3 | | Simon Fraser University | 166 | 3 | 3 | | TOBB University of Economics and Technology | 166 | 3 | 3 | | Universität Koblenz-Landau | 166 | 3 | 3 | | University of Barcelona | 166 | 3 | 3 | | University of Nevada, Las Vegas | 166 | 3 | 3 | | University of Salzburg | 166 | 3 | 3 | | University of Surrey | 166 | 3 | 3 | | University of Trento | 166 | 3 | 3 | | University of Wisconsin-Platteville | 166 | 3 | 3 | | Wake Forest University | 166 | 3 | 3 | | Williams College | 166 | 3 | 3 | | University of Rochester | 213 | 2 | 22 | | Bradley University | 213 | 2 | 12 | | Oklahoma University | 213 | 2 | 10 | | Boston College | 213 | 2 | 8 | | Trinity College Dublin | 213 | 2 | 8 | | Saarland University | 213 | 2 | 6 | | City University London | 213 | 2 | 5 | | International School for Advanced Studies | 213 | 2 | 5 | | Loyola University Chicago | 213 | 2 | 5 | | Middle East Technical University | 213 | 2 | 5 | | Nottingham Trent University | 213 | 2 | 5 | | Plymouth University | 213 | 2 | 5 | | Queen Mary University London | 213 | 2 | 5 | | University of Kansas | 213 | 2 | 5 | | Vrije Universiteit Brussel | 213 | 2 | 5 | | Cardiff University | 213 | 2 | 4 | | Hong Kong University of Science and Technology | 213 | 2 | 4 | | Interdisciplinary Center Herzliya | 213 | 2 | 4 | | Université Grenoble Alpes | 213 | 2 | 4 | | University of California-Riverside | 213 | 2 | 4 | | University of Massachusetts, Amherst | 213 | 2 | 4 | | University of Victoria | 213 | 2 | 4 | | Bangor University | 213 | 2 | 3 | | California Institute of Technology | 213 | 2 | 3 | | Concordia University | 213 | 2 | 3 | | Delft University of Technology | 213 | 2 | 3 | | Durham University | 213 | 2 | 3 | | Emory University | 213 | 2 | 3 | | Gordon College | 213 | 2 | 3 | | Humboldt State University | 213 | 2 | 3 | | Max Planck Institute for Ornithology | 213 | 2 | 3 | | Syracuse University | 213 | 2 | 3 | | TU Dresden | 213 | 2 | 3 | | University at Albany, SUNY | 213 | 2 | 3 | | University of Bonn | 213 | 2 | 3 | | University of East London | 213 | 2 | 3 | | University of Houston | 213 | 2 | 3 | | University of Nottingham | 213 | 2 | 3 | | University of St Andrews | 213 | 2 | 3 | | University of Tennessee at Chattanooga | 213 | 2 | 3 | | University of Toulouse | 213 | 2 | 3 | | University of Georgia | 213 | 2 | 3 | | University of Lincoln | 213 | 2 | 3 | | Åbo Akademi University | 213 | 2 | 2 | | Adams State University | 213 | 2 | 2 | | Aix-Marseille University | 213 | 2 | 2 | | Australian National University | 213 | 2 | 2 | | Bar Ilan University | 213 | 2 | 2 | | Bilkent University | 213 | 2 | 2 | | Brock University | 213 | 2 | 2 | | Case Western Reserve University | 213 | 2 | 2 | | Central European University | 213 | 2 | 2 | | Chemnitz University of Technology | 213 | 2 | 2 | | Coventry University | 213 | 2 | 2 | | Edge Hill University | 213 | 2 | 2 | | George Mason University | 213 | 2 | 2 | | Georgia Institute of Technology | 213 | 2 | 2 | | German Sport University Cologne | 213 | 2 | 2 | | Idaho State University | 213 | 2 | 2 | | Leibniz Institute für Wissensmedien | 213 | 2 | 2 | | Manchester Metropolitan University | 213 | 2 | 2 | | National University of Ireland Galway | 213 | 2 | 2 | | Occidental College | 213 | 2 | 2 | | Oregon State University | 213 | 2 | 2 | | RMIT University | 213 | 2 | 2 | | Stetson University | 213 | 2 | 2 | | University of East Anglia | 213 | 2 | 2 | | University of Fribourg | 213 | 2 | 2 | | University of Graz | 213 | 2 | 2 | | University of Hagen | 213 | 2 | 2 | | University of Hohenheim | 213 | 2 | 2 | | University of Kentucky | 213 | 2 | 2 | | Villanova University | 213 | 2 | 2 | | Walsh University | 213 | 2 | 2 | | Washington State University | 213 | 2 | 2 | | Wellesley College | 213 | 2 | 2 | | York St John University | 213 | 2 | 2 | | Arctic University of Norway | 213 | 2 | 2 | | Avila University | 213 | 2 | 2 | | Griffith University | 213 | 2 | 2 | | Technical University of Munich | 213 | 2 | 2 | | University of Essex | 213 | 2 | 2 | | University of South Florida | 213 | 2 | 2 | | Wesleyan University | 213 | 2 | 2 | | University of Haifa | 297 | 1 | 10 | | Istanbul Kemerburgaz University | 297 | 1 | 5 | | Yale-NUS College | 297 | 1 | 5 | | Ashland University | 297 | 1 | 4 | | Pepperdine University | 297 | 1 | 4 | | University of Sussex | 297 | 1 | 4 | | Bucknell University | 297 | 1 | 3 | | Character Lab | 297 | 1 | 3 | | Doğuş University | 297 | 1 | 3 | | Edgewood College | 297 | 1 | 3 | | Jacobs University | 297 | 1 | 3 | | Jubail Industrial College | 297 | 1 | 3 | | Karlstad University | 297 | 1 | 3 | | Kozminski University | 297 | 1 | 3 | | Kyoto University | 297 | 1 | 3 | | Loughborough University | 297 | 1 | 3 | | Loyola University Maryland | 297 | 1 | 3 | | Queensland University of Technology | 297 | 1 | 3 | | Roanoke College | 297 | 1 | 3 | | Sweet Briar College | 297 | 1 | 3 | | Thompson Rivers University | 297 | 1 | 3 | | University of Akron | 297 | 1 | 3 | | University of Newcastle | 297 | 1 | 3 | | University of Tampere | 297 | 1 | 3 | | University of Veterinary Medicine, Vienna | 297 | 1 | 3 | | Monk Prayogshala | 297 | 1 | 3 | | Allegheny College | 297 | 1 | 2 | | Association for Psychological Science | 297 | 1 | 2 | | California State University, Northridge | 297 | 1 | 2 | | Comenius University | 297 | 1 | 2 | | DePauw University | 297 | 1 | 2 | | Florida Atlantic University | 297 | 1 | 2 | | Gallup | 297 | 1 | 2 | | Hannover Medical School | 297 | 1 | 2 | | Kalamazoo College | 297 | 1 | 2 | | Leeds Beckett University | 297 | 1 | 2 | | Leiden University | 297 | 1 | 2 | | Longwood University | 297 | 1 | 2 | | Northern Illinois University | 297 | 1 | 2 | | Norwegian Institute of Public Health | 297 | 1 | 2 | | Purchase College | 297 | 1 | 2 | | Southern Arkansas University | 297 | 1 | 2 | | Universidad Autónoma de Madrid | 297 | 1 | 2 | | University of California-San Francisco | 297 | 1 | 2 | | University of Glasgow | 297 | 1 | 2 | | University of Illinois at Chicago | 297 | 1 | 2 | | University of Konstanz | 297 | 1 | 2 | | University of Massachusetts-Boston | 297 | 1 | 2 | | University of North Dakota | 297 | 1 | 2 | | University of Porto | 297 | 1 | 2 | | USDA Forest Service | 297 | 1 | 2 | | Hungarian Academy of Sciences | 297 | 1 | 2 | | Ryerson University | 297 | 1 | 2 | | Squla | 297 | 1 | 2 | | Swinburne University of Technology | 297 | 1 | 2 | | University of Derby | 297 | 1 | 2 | | University of Greifswald | 297 | 1 | 2 | | University of Lethbridge | 297 | 1 | 2 | | University of Manitoba | 297 | 1 | 2 | | Acadia University | 297 | 1 | 1 | | Agnes Scott College | 297 | 1 | 1 | | Arbor Research Collaborative for Health | 297 | 1 | 1 | | Aston University | 297 | 1 | 1 | | Audencia Business School | 297 | 1 | 1 | | Augusta University | 297 | 1 | 1 | | Australian Catholic University | 297 | 1 | 1 | | Behavioural Insights Team | 297 | 1 | 1 | | Birbeck College | 297 | 1 | 1 | | Bournemouth University | 297 | 1 | 1 | | Brooklyn College | 297 | 1 | 1 | | Catholic University of Eichstätt-Ingolstadt | 297 | 1 | 1 | | Central Connecticut State University | 297 | 1 | 1 | | Central Oregon Community College | 297 | 1 | 1 | | Centro Hospital de Setúbal | 297 | 1 | 1 | | Chiba University | 297 | 1 | 1 | | Children's Hospital of Eastern Ontario Research Institute | 297 | 1 | 1 | | Clark University | 297 | 1 | 1 | | College of New Jersey | 297 | 1 | 1 | | Concordia University Chicago | 297 | 1 | 1 | | Czech Academy of Sciences | 297 | 1 | 1 | | Dalhousie University | 297 | 1 | 1 | | Danish Research Centre for Magnetic Resonance | 297 | 1 | 1 | | Dominican University | 297 | 1 | 1 | | East Tennessee State University | 297 | 1 | 1 | | Eastern Kentucky University | 297 | 1 | 1 | | Edinboro University | 297 | 1 | 1 | | Edith Cowan University | 297 | 1 | 1 | | European University Institute | 297 | 1 | 1 | | Federal University of Goiás | 297 | 1 | 1 | | Federal University of Santa Catarina | 297 | 1 | 1 | | FOM University of Applied Sciences | 297 | 1 | 1 | | Fort Lewis College | 297 | 1 | 1 | | Framingham State University | 297 | 1 | 1 | | Free University of Berlin | 297 | 1 | 1 | | French National Institute of Health and Medical Research | 297 | 1 | 1 | | Furman University | 297 | 1 | 1 | | George Washington University | 297 | 1 | 1 | | Georgia Southern University | 297 | 1 | 1 | | Georgia State University | 297 | 1 | 1 | | Grand Valley State University | 297 | 1 | 1 | | Heinrich Heine University Düsseldorf | 297 | 1 | 1 | | Heriot-Watt University | 297 | 1 | 1 | | Icahn School of Medicine at Mount Sinai | 297 | 1 | 1 | | Illinois State University | 297 | 1 | 1 | | INSEAD | 297 | 1 | 1 | | Inspective | 297 | 1 | 1 | | Institut Teknologi Bandung | 297 | 1 | 1 | | Jan Evangelista Purkyně University | 297 | 1 | 1 | | John Jay College of Criminal Justice | 297 | 1 | 1 | | Johns Hopkins University | 297 | 1 | 1 | | Jonah Ventures | 297 | 1 | 1 | | Keio University | 297 | 1 | 1 | | Kingston University London | 297 | 1 | 1 | | Kwantlen Polytechnic University | 297 | 1 | 1 | | Lehigh University | 297 | 1 | 1 | | Leibniz Institute for Psychology | 297 | 1 | 1 | | Linnaeus University | 297 | 1 | 1 | | Mathematica Policy Research | 297 | 1 | 1 | | Max Planck Institute for Biological Cybernetics | 297 | 1 | 1 | | Max Planck Institute for Psycholinguistics | 297 | 1 | 1 | | Maynooth University | 297 | 1 | 1 | | McDaniel College | 297 | 1 | 1 | | McMaster University | 297 | 1 | 1 | | Memorial University of Newfoundland | 297 | 1 | 1 | | Missouri University of Science and Technology | 297 | 1 | 1 | | Monash University | 297 | 1 | 1 | | Monell Chemical Senses Center | 297 | 1 | 1 | | Montana State University | 297 | 1 | 1 | | Montclair State University | 297 | 1 | 1 | | Mount St. Mary's University | 297 | 1 | 1 | | Murdoch Children's Research Institute | 297 | 1 | 1 | | Namik Kemal University | 297 | 1 | 1 | | National Cancer Institute | 297 | 1 | 1 | | National Centre for the Replacement, Refinement, and the Reduction of Animals in Research | 297 | 1 | 1 | | National Institutes of Health | 297 | 1 | 1 | | National University of Distance Education | 297 | 1 | 1 | | Nicholls State University | 297 | 1 | 1 | | Otto von Guericke University Magdeburg | 297 | 1 | 1 | | Ouachita Baptist University | 297 | 1 | 1 | | Pacific Northwest National Laboratory | 297 | 1 | 1 | | Panamerican University | 297 | 1 | 1 | | Pantheon-Sorbonne University | 297 | 1 | 1 | | Pompeu Fabra University | 297 | 1 | 1 | | Queen Margaret University | 297 | 1 | 1 | | Rutgers University - Newark | 297 | 1 | 1 | | Saint Petersburg University | 297 | 1 | 1 | | San Francisco State University | 297 | 1 | 1 | | Santa Fe Institute | 297 | 1 | 1 | | Scuola Normale Superiore di Pisa | 297 | 1 | 1 | | Seattle Pacific University | 297 | 1 | 1 | | Seneca Learning | 297 | 1 | 1 | | Smith College | 297 | 1 | 1 | | Sogang University | 297 | 1 | 1 | | South Plains College | 297 | 1 | 1 | | Southern Oregon University | 297 | 1 | 1 | | State University of New York at Fredonia | 297 | 1 | 1 | | Sunway University | 297 | 1 | 1 | | SUNY Downstate Medical Center | 297 | 1 | 1 | | Texas A&M University | 297 | 1 | 1 | | The Ottawa Hospital | 297 | 1 | 1 | | Touro College | 297 | 1 | 1 | | Tsinghua University | 297 | 1 | 1 | | Universidad de los Andes | 297 | 1 | 1 | | Universidade Federal do Rio de Janeiro | 297 | 1 | 1 | | Universitas Pelita Harapan | 297 | 1 | 1 | | Universite du Quebec a Montreal | 297 | 1 | 1 | | Université Paris Descartes | 297 | 1 | 1 | | University at Buffalo | 297 | 1 | 1 | | University College Cork | 297 | 1 | 1 | | University Corporation for Atmospheric Research | 297 | 1 | 1 | | University of Augsburg | 297 | 1 | 1 | | University of Chester | 297 | 1 | 1 | | University of Cincinnati | 297 | 1 | 1 | | University of Colorado Denver | 297 | 1 | 1 | | University of Colorado-Colorado Springs | 297 | 1 | 1 | | University of Helsinki | 297 | 1 | 1 | | University of Idaho | 297 | 1 | 1 | | University of International Business and Economics | 297 | 1 | 1 | | University of Lausanne | 297 | 1 | 1 | | University of Lisbon | 297 | 1 | 1 | | University of Lucerne | 297 | 1 | 1 | | University of Luxembourg | 297 | 1 | 1 | | University of Nebraska at Omaha | 297 | 1 | 1 | | University of Nebraska-Lincoln | 297 | 1 | 1 | | University of Neuchatel | 297 | 1 | 1 | | University of Nevada, Reno | 297 | 1 | 1 | | University of New Brunswick | 297 | 1 | 1 | | University of North Florida | 297 | 1 | 1 | | University of Northampton | 297 | 1 | 1 | | University of Pittsburgh | 297 | 1 | 1 | | University of Southern Indiana | 297 | 1 | 1 | | University of St. Gallen | 297 | 1 | 1 | | University of Szeged | 297 | 1 | 1 | | University of Tartu | 297 | 1 | 1 | | University of Turin | 297 | 1 | 1 | | University of Twente | 297 | 1 | 1 | | University of Vermont | 297 | 1 | 1 | | University of Warsaw | 297 | 1 | 1 | | University of Wisconsin - Whitewater | 297 | 1 | 1 | | University Savoie Mont Blanc | 297 | 1 | 1 | | Utah Valley University | 297 | 1 | 1 | | Vassar College | 297 | 1 | 1 | | Whitman College | 297 | 1 | 1 | | Wilfrid Laurier University | 297 | 1 | 1 | | Adam Mickiewicz University | 297 | 1 | 1 | | Barnard College | 297 | 1 | 1 | | Baylor University | 297 | 1 | 1 | | Behavioural Economics Team of the Australian Government | 297 | 1 | 1 | | Berlin Psychological University | 297 | 1 | 1 | | Bethel University | 297 | 1 | 1 | | Bielefeld University | 297 | 1 | 1 | | California Pacific Medical Center Research Institute | 297 | 1 | 1 | | California State University San Marcos | 297 | 1 | 1 | | Catholic University of Murcia | 297 | 1 | 1 | | Chulalongkorn University | 297 | 1 | 1 | | City University of Hong Kong | 297 | 1 | 1 | | Clemson University | 297 | 1 | 1 | | Denison University | 297 | 1 | 1 | | Emmanuel College | 297 | 1 | 1 | | Federal University of Minas Gerais | 297 | 1 | 1 | | Federal University of Rio Grande do Norte | 297 | 1 | 1 | | Federal University of Southern and Southeastern Pará | 297 | 1 | 1 | | Hangzhou Normal University | 297 | 1 | 1 | | Institute of Technology, Blanchardstown | 297 | 1 | 1 | | Karl Landsteiner University of Health Sciences | 297 | 1 | 1 | | Knox College | 297 | 1 | 1 | | Leibniz-Zentrum Allgemeine Sprachwissenschaft | 297 | 1 | 1 | | Linkoping University | 297 | 1 | 1 | | London South Bank University | 297 | 1 | 1 | | Lund University | 297 | 1 | 1 | | Massey University | 297 | 1 | 1 | | Mayo Clinic | 297 | 1 | 1 | | Memorial Sloan Kettering Cancer Center | 297 | 1 | 1 | | Muğla University | 297 | 1 | 1 | | National University of Singapore | 297 | 1 | 1 | | North Central College | 297 | 1 | 1 | | Northern Arizona University | 297 | 1 | 1 | | Nova Southeastern University | 297 | 1 | 1 | | Olivet Nazarene University | 297 | 1 | 1 | | Open University of the Netherlands | 297 | 1 | 1 | | Oxford Brookes University | 297 | 1 | 1 | | Palo Alto University | 297 | 1 | 1 | | Poznań University of Technology | 297 | 1 | 1 | | Seton Hill University | 297 | 1 | 1 | | Slippery Rock University | 297 | 1 | 1 | | Stockholm School of Economics | 297 | 1 | 1 | | Technical University of Lisbon | 297 | 1 | 1 | | Temple University | 297 | 1 | 1 | | Texas Christian University | 297 | 1 | 1 | | Thomas More University of Applied Sciences | 297 | 1 | 1 | | Université Catholique de Louvain | 297 | 1 | 1 | | University College Dublin | 297 | 1 | 1 | | University of Aizu | 297 | 1 | 1 | | University of Akureyri | 297 | 1 | 1 | | University of Alabama | 297 | 1 | 1 | | University of Alabama at Birmingham | 297 | 1 | 1 | | University of Alberta | 297 | 1 | 1 | | University of Dundee | 297 | 1 | 1 | | University of Hull | 297 | 1 | 1 | | University of Indonesia | 297 | 1 | 1 | | University of Leicester | 297 | 1 | 1 | | University of North Carolina Greensboro | 297 | 1 | 1 | | University of Rhode Island | 297 | 1 | 1 | | University of San Francisco | 297 | 1 | 1 | | University of Saskatchewan | 297 | 1 | 1 | | University of Tasmania | 297 | 1 | 1 | | University of Turku | 297 | 1 | 1 | | University of Verona | 297 | 1 | 1 | | University of Western Australia | 297 | 1 | 1 | | University of Western Ontario | 297 | 1 | 1 | | Utah State University | 297 | 1 | 1 | | Washington College | 297 | 1 | 1 | | West Virginia University | 297 | 1 | 1 | | Western Norway University of Applied Sciences | 297 | 1 | 1 | | Zurich Institute of Public Affairs Research | 297 | 1 | 1 | | Zurich University of Applied Sciences | 297 | 1 | 1 | **Last Updated:** December 31, 2018 Number of Researchers is calculated by the count of unique first authors on preregistrations submitted to the Prereg Challenge. See more preregistrations on OSF [here][3]. *Rank is determined by the number of unique researchers participating in the Challenge. **The Preregistration Challenge concluded December 31, 2018** [1]: http://cos.io/our-services/prereg-more-information/ [2]: https://cos.io/prereg/ [3]: https://osf.io/registries/discover?provider=OSF