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PSYCHOLOGY Estimating the reproducibility of psychological science

Alexander A. Aarts, Joanna E. Anderson, Christopher J. Anderson, Peter R. Attridge, Angela Attwood, Jordan Axt, Molly Babel, Stepan Bahnik, Erica Baranski, Michael Barnett-Cowan, Elizabeth Bartmess, Jennifer Beer, Raoul Bell, Heather Bentley, Leah Beyan, Grace Binion, Denny Borsboom, Annick Bosch, Frank A. Bosco, Sara D. Bowman, Mark J. Brandt, Erin Braswell, Hilmar Brohmer, Benjamin T. Brown, Kristina Brown, Jovita Bruening, Ann Calhoun-Sauls, Shannon P. Callahan, Elizabeth Chagnon, Jesse Chandler, Christopher R. Chartier, Felix Cheung, Cody D. Christopherson, Linda Cillessen, Russ Clay, Hayley Cleary, Mark D. Cloud, Michael Cohn, Johanna Cohoon, Simon Columbus, Andreas Cordes, Giulio Costantini, Leslie D. Cramblet Alvarez, Ed Cremata, Jan Crusius, Jamie DeCoster, Michelle A. DeGaetano, Nicolas Della Penna, Bobby den Bezemer, Marie K. Deserno, Olivia Devitt, Laura Dewitte, David G. Dobolyi, Geneva T. Dodson, M. Brent Donnellan, Ryan Donohue, Rebecca A. Dore, Angela Dorrough, Anna Dreber, Michelle Dugas, Elizabeth W. Dunn, Kayleigh Easey, Sylvia Eboigbe, Casey Eggleston, Jo Embley, Sacha Epskamp, Timothy M. Errington, Vivien Estel, Frank J. Farach, Jenelle Feather, Anna Fedor, Belen Fernandez-Castilla, Susann Fiedler, James G. Field, Stanka A. Fitneva, Taru Flagan, Amanda L. Forest, Eskil Forsell, Joshua D. Foster, Michael C. Frank, Rebecca S. Frazier, Heather Fuchs, Philip Gable, Jeff Galak, Elisa Maria Galliani, Anup Gampa, Sara Garcia, Douglas Gazarian, Elizabeth Gilbert, Roger Giner-Sorolla, Andreas Glöckner, Lars Göllner, Jin X. Goh, Rebecca Goldberg, Patrick T. Goodbourn, Shauna Gordon-McKeon, Bryan Gorges, Jessie Gorges, Justin Goss, Jesse Graham, James A. Grange, Jeremy Gray, Chris Hartgerink, Joshua Hartshorne, Fred Hasselman, Timothy Hayes, Emma Heikensten, Felix Henninger, John Hodsoll, Taylor Holubar, Gea Hoogendoorn, Denise J. Humphries, Cathy O. -Y. Hung, Nathali Immelman, Vanessa C. Irsik, Georg Jahn, Frank Jaekel, Marc Jekel, Magnus Johannesson, Larissa G. Johnson, David J. Johnson, Kate M. Johnson, William J. Johnston, Kai Jonas, Jennifer A. Joy-Gaba, Heather Barry Kappes, Kim Kelso, Mallory C. Kidwell, Seung Kyung Kim, Matthew Kirkhart, Bennett Kleinberg, Goran Knezevic, Franziska Maria Kolorz, Jolanda J. Kossakowski, Robert Wilhelm Krause, Job Krijnen, Tim Kuhlmann, Yoram K. Kunkels, Megan M. Kyc, Calvin K. Lai, Aamir Laique, Daniel Lakens, Kristin A. Lane, Bethany Lassetter, Ljiljana B. Lazarevic, Etienne P. LeBel, Key Jung Lee, Minha Lee, Kristi Lemm, Carmel A. Levitan, Melissa Lewis, Lin Lin, Stephanie Lin, Matthias Lippold, Darren Loureiro, Ilse Luteijn, Sean Mackinnon, Heather N. Mainard, Denise C. Marigold, Daniel P. Martin, Tylar Martinez, E. J. Masicampo, Josh Matacotta, Maya Mathur, Michael May, Nicole Mechin, Pranjal Mehta, Johannes Meixner, Alissa Melinger, Jeremy K. Miller, Mallorie Miller, Katherine Moore, Marcus Möschl, Matt Motyl, Stephanie M. Müller, Marcus Munafo, Koen I. Neijenhuijs, Taylor Nervi, Gandalf Nicolas, Gustav Nilsonne, Brian A. Nosek, Michele B. Nuijten, Catherine Olsson, Colleen Osborne, Lutz Ostkamp, Misha Pavel, Ian S. Penton-Voak, Olivia Perna, Cyril Pernet, Marco Perugini, R. Nathan Pipitone, Michael Pitts, Franziska Plessow, Jason M. Prenoveau, Rima-Maria Rahal, Kate A. Ratliff, David Reinhard, Frank Renkewitz, Ashley A. Ricker, Anastasia Rigney, Andrew M. Rivers, Mark Roebke, Abraham M. Rutchick, Robert S. Ryan, Onur Sahin, Anondah Saide, Gillian M. Sandstrom, David Santos, Rebecca Saxe, Rene Schlegelmilch, Kathleen Schmidt, Sabine Scholz, Larissa Seibel, Dylan Faulkner Selterman, Samuel Shaki, William B. Simpson, H. Colleen Sinclair, Jeanine L. M. Skorinko, Agnieszka Slowik, Joel S. Snyder, Courtney Soderberg, Carina Sonnleitner, Nick Spencer, Jeffrey R. Spies, Sara Steegen, Stefan Stieger, Nina Strohminger, Gavin B. Sullivan, Thomas Talhelm, Megan Tapia, Anniek te Dorsthorst, Manuela Thomae, Sarah L. Thomas, Pia Tio, Frits Traets, Steve Tsang, Francis Tuerlinckx, Paul Turchan, Milan Valasek, Robbie Van Aert, Marcel van Assen, Riet van Bork, Mathijs van de Ven, Don van den Bergh, Marije van der Hulst, Roel van Dooren, Johnny van Doorn, Daan R. van Renswoude, Hedderik van Rijn, Wolf Vanpaemel, Alejandro Vasquez Echeverria, Melissa Vazquez, Natalia Velez, Marieke Vermue, Mark Verschoor, Michelangelo Vianello, Martin Voracek, Gina Vuu, Eric-Jan Wagenmakers, Joanneke Weerdmeester, Ashlee Welsh, Erin C. Westgate, Joeri Wissink, Michael Wood, Andy Woods, Emily Wright, Sining Wu, Marcel Zeelenberg, Kellylynn Zuni

  • Reproducibility is a defining feature of science, but the extent to which it characterizes current research is unknown. We conducted replications of 100 experimental and correlational studies published in three psychology journals using high-powered designs and original materials when available. Replication effects were half the magnitude of original effects, representing a substantial decline. Ninety-seven percent of original studies had statistically significant results. Thirty-six percent of replications had statistically significant results; 47% of original effect sizes were in the 95% confidence interval of the replication effect size; 39% of effects were subjectively rated to have replicated the original result; and if no bias in original results is assumed, combining original and replication results left 68% with statistically significant effects. Correlational tests suggest that replication success was better predicted by the strength of original evidence than by characteristics of the original and replication teams.

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Author:Alexander A. Aarts, Joanna E. Anderson, Christopher J. Anderson, Peter R. Attridge, Angela Attwood, Jordan Axt, Molly Babel, Stepan Bahnik, Erica Baranski, Michael Barnett-Cowan, Elizabeth Bartmess, Jennifer Beer, Raoul Bell, Heather Bentley, Leah Beyan, Grace Binion, Denny Borsboom, Annick Bosch, Frank A. Bosco, Sara D. Bowman, Mark J. Brandt, Erin Braswell, Hilmar Brohmer, Benjamin T. Brown, Kristina Brown, Jovita Bruening, Ann Calhoun-Sauls, Shannon P. Callahan, Elizabeth Chagnon, Jesse Chandler, Christopher R. Chartier, Felix Cheung, Cody D. Christopherson, Linda Cillessen, Russ Clay, Hayley Cleary, Mark D. Cloud, Michael Cohn, Johanna Cohoon, Simon Columbus, Andreas Cordes, Giulio Costantini, Leslie D. Cramblet Alvarez, Ed Cremata, Jan Crusius, Jamie DeCoster, Michelle A. DeGaetano, Nicolas Della Penna, Bobby den Bezemer, Marie K. Deserno, Olivia Devitt, Laura Dewitte, David G. Dobolyi, Geneva T. Dodson, M. Brent Donnellan, Ryan Donohue, Rebecca A. Dore, Angela Dorrough, Anna Dreber, Michelle Dugas, Elizabeth W. Dunn, Kayleigh Easey, Sylvia Eboigbe, Casey Eggleston, Jo Embley, Sacha Epskamp, Timothy M. Errington, Vivien Estel, Frank J. Farach, Jenelle Feather, Anna Fedor, Belen Fernandez-Castilla, Susann Fiedler, James G. Field, Stanka A. Fitneva, Taru Flagan, Amanda L. Forest, Eskil Forsell, Joshua D. Foster, Michael C. Frank, Rebecca S. Frazier, Heather Fuchs, Philip Gable, Jeff Galak, Elisa Maria Galliani, Anup Gampa, Sara Garcia, Douglas Gazarian, Elizabeth Gilbert, Roger Giner-Sorolla, Andreas Glöckner, Lars Göllner, Jin X. Goh, Rebecca Goldberg, Patrick T. Goodbourn, Shauna Gordon-McKeon, Bryan Gorges, Jessie Gorges, Justin Goss, Jesse Graham, James A. Grange, Jeremy Gray, Chris Hartgerink, Joshua Hartshorne, Fred Hasselman, Timothy Hayes, Emma Heikensten, Felix Henninger, John Hodsoll, Taylor Holubar, Gea Hoogendoorn, Denise J. Humphries, Cathy O. -Y. Hung, Nathali Immelman, Vanessa C. Irsik, Georg Jahn, Frank Jaekel, Marc Jekel, Magnus Johannesson, Larissa G. Johnson, David J. Johnson, Kate M. Johnson, William J. Johnston, Kai Jonas, Jennifer A. Joy-Gaba, Heather Barry Kappes, Kim Kelso, Mallory C. Kidwell, Seung Kyung Kim, Matthew Kirkhart, Bennett Kleinberg, Goran Knezevic, Franziska Maria Kolorz, Jolanda J. Kossakowski, Robert Wilhelm Krause, Job Krijnen, Tim Kuhlmann, Yoram K. Kunkels, Megan M. Kyc, Calvin K. Lai, Aamir Laique, Daniel Lakens, Kristin A. Lane, Bethany Lassetter, Ljiljana B. Lazarevic, Etienne P. LeBel, Key Jung Lee, Minha Lee, Kristi Lemm, Carmel A. Levitan, Melissa Lewis, Lin Lin, Stephanie Lin, Matthias Lippold, Darren Loureiro, Ilse Luteijn, Sean Mackinnon, Heather N. Mainard, Denise C. Marigold, Daniel P. Martin, Tylar Martinez, E. J. Masicampo, Josh Matacotta, Maya Mathur, Michael May, Nicole Mechin, Pranjal Mehta, Johannes Meixner, Alissa Melinger, Jeremy K. Miller, Mallorie Miller, Katherine Moore, Marcus Möschl, Matt Motyl, Stephanie M. Müller, Marcus Munafo, Koen I. Neijenhuijs, Taylor Nervi, Gandalf Nicolas, Gustav Nilsonne, Brian A. Nosek, Michele B. Nuijten, Catherine Olsson, Colleen Osborne, Lutz Ostkamp, Misha Pavel, Ian S. Penton-Voak, Olivia Perna, Cyril Pernet, Marco Perugini, R. Nathan Pipitone, Michael Pitts, Franziska Plessow, Jason M. Prenoveau, Rima-Maria Rahal, Kate A. Ratliff, David Reinhard, Frank Renkewitz, Ashley A. Ricker, Anastasia Rigney, Andrew M. Rivers, Mark Roebke, Abraham M. Rutchick, Robert S. Ryan, Onur Sahin, Anondah Saide, Gillian M. Sandstrom, David Santos, Rebecca Saxe, Rene Schlegelmilch, Kathleen Schmidt, Sabine Scholz, Larissa Seibel, Dylan Faulkner Selterman, Samuel Shaki, William B. Simpson, H. Colleen Sinclair, Jeanine L. M. Skorinko, Agnieszka Slowik, Joel S. Snyder, Courtney Soderberg, Carina Sonnleitner, Nick Spencer, Jeffrey R. Spies, Sara Steegen, Stefan Stieger, Nina Strohminger, Gavin B. Sullivan, Thomas Talhelm, Megan Tapia, Anniek te Dorsthorst, Manuela Thomae, Sarah L. Thomas, Pia Tio, Frits Traets, Steve Tsang, Francis Tuerlinckx, Paul Turchan, Milan Valasek, Robbie Van Aert, Marcel van Assen, Riet van Bork, Mathijs van de Ven, Don van den Bergh, Marije van der Hulst, Roel van Dooren, Johnny van Doorn, Daan R. van Renswoude, Hedderik van Rijn, Wolf Vanpaemel, Alejandro Vasquez Echeverria, Melissa Vazquez, Natalia Velez, Marieke Vermue, Mark Verschoor, Michelangelo Vianello, Martin Voracek, Gina Vuu, Eric-Jan Wagenmakers, Joanneke Weerdmeester, Ashlee Welsh, Erin C. Westgate, Joeri Wissink, Michael Wood, Andy Woods, Emily Wright, Sining Wu, Marcel Zeelenberg, Kellylynn Zuni
DOI:https://doi.org/10.1126/science.aac4716
ISSN:0036-8075 (print)
ISSN:1095-9203 (online)
Parent Title (English):Science
Publisher:American Assoc. for the Advancement of Science
Place of publication:Washington
Document Type:Article
Language:English
Year of first Publication:2015
Year of Completion:2015
Creating Corporation:Open Sci Collaboration
Release Date:2017/03/27
Volume:349
Issue:6251
Pagenumber:8
Funder:Center for Open Science; Laura and John Arnold Foundation
Organizational units:Humanwissenschaftliche Fakultät / Institut für Psychologie
Peer Review:Referiert