https://doi.org/10.1177/2515245920958687 Advances in Methods and Practices in Psychological Science 2020, Vol. 3(3) 309–331 © The Author(s) 2020 Article reuse guidelines: sagepub.com/journals-permissions DOI: 10.1177/2515245920958687 www.psychologicalscience.org/AMPPS ASSOCIATION FOR PSYCHOLOGICAL SCIENCE Special Section: Many Labs 5 Project Empirical Article: Registered Report 958687AMP XX X 10.1177/2515245920958687Ebersole et al.Many Labs 5 research-article 2020 Many Labs 5: Testing Pre-Data-Collection Peer Review as an Intervention to Increase Replicability Charles R. Ebersole 1 , Maya B. Mathur 2 , Erica Baranski 3 , Diane-Jo Bart-Plange 1 , Nicholas R. Buttrick 1 , Christopher R. Chartier 4 , Katherine S. Corker 5 , Martin Corley 6 , Joshua K. Hartshorne 7 , Hans IJzerman 8,9 , Ljiljana B. Lazarevic´ 10,11 , Hugh Rabagliati 6 , Ivan Ropovik 12,13 , Balazs Aczel 14 , Lena F. Aeschbach 15 , Luca Andrighetto 16 , Jack D. Arnal 17 , Holly Arrow 18 , Peter Babincak 19 , Bence E. Bakos 14 , Gabriel Baník 19 , Ernest Baskin 20 , Radomir Belopavlovic´ 21 , Michael H. Bernstein 22,23 , Michal Bialek 24 , Nicholas G. Bloxsom 4 , Bojana Bodroža 21 , Diane B. V. Bonfiglio 4 , Leanne Boucher 25 , Florian Brühlmann 15 , Claudia C. Brumbaugh 26 , Erica Casini 27 , Yiling Chen 28 , Carlo Chiorri 16 , William J. Chopik 29 , Oliver Christ 30 , Antonia M. Ciunci 23 , Heather M. Claypool 31 , Sean Coary 32 , Marija V. C ˇ olic´ 33 , W. Matthew Collins 25 , Paul G. Curran 5 , Chris R. Day 34 , Benjamin Dering 35 , Anna Dreber 36,37 , John E. Edlund 38 , Filipe Falcão 39 , Anna Fedor 40 , Lily Feinberg 7 , Ian R. Ferguson 41,42 , Máire Ford 43 , Michael C. Frank 44 , Emily Fryberger 45 , Alexander Garinther 18 , Katarzyna Gawryluk 46 , Kayla Ashbaugh 47 , Mauro Giacomantonio 48 , Steffen R. Giessner 49 , Jon E. Grahe 45 , Rosanna E. Guadagno 50 , Ewa Halasa 51 , Peter J. B. Hancock 35 , Rias A. Hilliard 52 , Joachim Hüffmeier 53 , Sean Hughes 54 , Katarzyna Idzikowska 46 , Michael Inzlicht 55 , Alan Jern 52 , William Jiménez-Leal 56 , Magnus Johannesson 36 , Jennifer A. Joy-Gaba 41 , Mathias Kauff 57 , Danielle J. Kellier 58 , Grecia Kessinger 59 , Mallory C. Kidwell 60 , Amanda M. Kimbrough 61 , Josiah P. J. King 6 , Vanessa S. Kolb 23 , Sabina Kolodziej 46 , Marton Kovacs 14 , Karolina Krasuska 51 , Sue Kraus 62 , Lacy E. Krueger 63 , Katarzyna Kuchno 51 , Caio Ambrosio Lage 64 , Eleanor V. Langford 1 , Carmel A. Levitan 65 , Tiago Jessé Souza de Lima 66 , Hause Lin 55 , Samuel Lins 39 , Jia E. Loy 67 , Dylan Manfredi 68 , Lukasz Markiewicz 46 , Madhavi Menon 25 , Brett Mercier 69 , Mitchell Metzger 4 , Venus Meyet 59 , Ailsa E. Millen 35 , Jeremy K. Miller 70 , Andres Montealegre 71 , Don A. Moore 72 , Rafal Muda 51 , Gideon Nave 68 , Austin Lee Nichols 73 , Sarah A. Novak 74 , Christian Nunnally 75 , Ana Orlic´ 33 , Anna Palinkas 14 , Angelo Panno 76 , Corresponding Author: Charles R. Ebersole, University of Virginia, Department of Psychology, 485 McCormick Rd., Charlottesville, VA 22904 E-mail: cebersole@virginia.edu