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5. Uncertainty cues amplify late positive potential responses to aversive emotional stimuli.

Author

Goodman, Robert J., Quaglia, Jordan T., and Berry, Daniel R.

Subjects
AVERSIVE stimuli, PATHOLOGICAL psychology, EMOTION regulation, EVOKED potentials (Electrophysiology), EMOTIONAL experience, EMOTIONAL conditioning
Abstract

Uncertainty is unavoidable, and maladaptive responses to uncertainty may underlie the etiology and maintenance of psychopathology. A general tendency to associate uncertainty with aversive consequences, a type of covariation bias, can amplify aversive emotional experiences. To address questions about uncertainty during emotion regulation, we examined the Late Positive Potential (LPP) – an electrocortical marker of attention to and appraisal of motivationally relevant emotional stimuli – during a task designed to measure the effect of covariation bias and its emotional response consequences. Event-related potentials (ERPs) were recorded while participants (N = 52) were presented with a pre-stimulus cue that either conveyed information about the valence of an upcoming emotional image, or left them in ambiguity. We replicated findings that demonstrate expectancy biases in a priori and online expectancies of emotion-eliciting images, as well as in a posteriori estimates for concurrence of uncertainty cues and aversive images. Moreover, we demonstrate a novel finding that uncertainty cues amplify the LPP in response to subsequent aversive emotional stimuli. These findings advance research by conjoining existing emotion regulation research on the LPP with study of the effects of uncertainty on emotional appraisal and highlight the importance of accounting for stimulus uncertainty in emotion regulation research. [ABSTRACT FROM AUTHOR]

Published
2024
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12. Event-related correlates of compassion for social pain.

Author

Rodriguez, Katie, Plascencia Ibarra, Itzia, Musick, Anthony, Hoerr, Jonathan, Napoli, Daniela, and Berry, Daniel R.

Subjects
HELPING behavior, EVOKED potentials (Electrophysiology), PROSOCIAL behavior, COMPASSION, MOTIVATION (Psychology)
Abstract

Ostracism – being intentionally excluded – is painful, and when experienced vicariously, it elicits self-reported and neural responses correlated with compassion. This study examines event-related potentials (ERPs) in response to vicarious ostracism in a computer-simulated ball-toss game, called Cyberball. Participants observed three ostensible players at other universities play two rounds of Cyberball; in the first round all players were included, but in the second round, one player was ostracized. After the game, participants reported their compassion and wrote e-mails to the ostracism victims and perpetrators, coded for prosociality and harm. Condition differences in exclusion versus inclusion throws emerged in a frontal negative-going peak between 108 and 230 ms, and in a posterior long-latency positive-going deflection between 548 and 900 ms. It is believed that the former reflects the feedback error-related negativity component (fERN) and the latter the late positive potential (LPP). The fERN was not associated with self-reported compassion or helping behavior; however, the LPP was positively associated with empathic anger and helping ostracism victims. Self-reported compassion was positively correlated with a frontal positive-going peak between 190 and 304 ms, resembling the P3a. These findings highlight the importance of studying motivational dimensions of compassion alongside its cognitive and affective dimensions. [ABSTRACT FROM AUTHOR]

Published
2023
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16. sj-docx-1-spp-10.1177_19485506211053095 ��� Supplemental material for Short-Term Training in Mindfulness Predicts Helping Behavior Toward Racial Ingroup and Outgroup Members

Author

Berry, Daniel R., Wall, Catherine S. J., Tubbs, Justin D., Zeidan, Fadel, and Brown, Kirk Warren

Subjects
FOS: Psychology, 170199 Psychology not elsewhere classified
Abstract

Supplemental material, sj-docx-1-spp-10.1177_19485506211053095 for Short-Term Training in Mindfulness Predicts Helping Behavior Toward Racial Ingroup and Outgroup Members by Daniel R. Berry, Catherine S. J. Wall, Justin D. Tubbs, Fadel Zeidan and Kirk Warren Brown in Social Psychological and Personality Science

Published
2021
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17. PSPB900814_TableS1 – Supplemental material for Does Mindfulness Training Without Explicit Ethics-Based Instruction Promote Prosocial Behaviors? A Meta-Analysis

Author

Berry, Daniel R., Hoerr, Jonathan P., Cesko, Selena, Alayoubi, Amir, Carpio, Kevin, Zirzow, Hannah, Walters, Wesley, Scram, Genny, Rodriguez, Katie, and Beaver, Vanessa

Subjects
FOS: Psychology, 170199 Psychology not elsewhere classified
Abstract

Supplemental material, PSPB900814_TableS1 for Does Mindfulness Training Without Explicit Ethics-Based Instruction Promote Prosocial Behaviors? A Meta-Analysis by Daniel R. Berry, Jonathan P. Hoerr, Selena Cesko, Amir Alayoubi, Kevin Carpio, Hannah Zirzow, Wesley Walters, Genny Scram, Katie Rodriguez and Vanessa Beaver in Personality and Social Psychology Bulletin

Published
2020
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18. Klein_Open_Practices_Disclosure – Supplemental material for Many Labs 2: Investigating Variation in Replicability Across Samples and Settings

Author

Klein, Richard A., Vianello, Michelangelo, Hasselman, Fred, Adams, Byron G., Adams, Reginald B., Alper, Sinan, Aveyard, Mark, Axt, Jordan R., Mayowa T. Babalola, Štěpán Bahník, Rishtee Batra, Berkics, Mihály, Bernstein, Michael J., Berry, Daniel R., Bialobrzeska, Olga, Evans Dami Binan, Bocian, Konrad, Brandt, Mark J., Busching, Robert, Rédei, Anna Cabak, Huajian Cai, Cambier, Fanny, Cantarero, Katarzyna, Carmichael, Cheryl L., Ceric, Francisco, Chandler, Jesse, Jen-Ho Chang, Chatard, Armand, Chen, Eva E., Winnee Cheong, Cicero, David C., Coen, Sharon, Coleman, Jennifer A., Collisson, Brian, Conway, Morgan A., Corker, Katherine S., Curran, Paul G., Fiery Cushman, Zubairu K. Dagona, Ilker Dalgar, Rosa, Anna Dalla, Davis, William E., Bruijn, Maaike De, Schutter, Leander De, Devos, Thierry, Vries, Marieke De, Canay Doğulu, Nerisa Dozo, Dukes, Kristin Nicole, Yarrow Dunham, Durrheim, Kevin, Ebersole, Charles R., Edlund, John E., Eller, Anja, English, Alexander Scott, Finck, Carolyn, Frankowska, Natalia, Miguel-Ángel Freyre, Friedman, Mike, Galliani, Elisa Maria, Gandi, Joshua C., Tanuka Ghoshal, Giessner, Steffen R., Tripat Gill, Gnambs, Timo, Gómez, Ángel, González, Roberto, Graham, Jesse, Grahe, Jon E., Grahek, Ivan, Green, Eva G. T., Kakul Hai, Haigh, Matthew, Haines, Elizabeth L., Hall, Michael P., Heffernan, Marie E., Hicks, Joshua A., Houdek, Petr, Huntsinger, Jeffrey R., Huynh, Ho Phi, IJzerman, Hans, Inbar, Yoel, Innes-Ker, Åse H., Jiménez-Leal, William, Melissa-Sue John, Joy-Gaba, Jennifer A., Kamiloğlu, Roza G., Kappes, Heather Barry, Karabati, Serdar, Karick, Haruna, Keller, Victor N., Kende, Anna, Kervyn, Nicolas, Knežević, Goran, Kovacs, Carrie, Krueger, Lacy E., Kurapov, German, Kurtz, Jamie, Lakens, Daniël, Lazarević, Ljiljana B., Levitan, Carmel A., Lewis, Neil A., Lins, Samuel, Nikolette P. Lipsey, Losee, Joy E., Maassen, Esther, Maitner, Angela T., Winfrida Malingumu, Mallett, Robyn K., Satia A. Marotta, Međedović, Janko, Mena-Pacheco, Fernando, Taciano L. Milfont, Morris, Wendy L., Murphy, Sean C., Myachykov, Andriy, Neave, Nick, Neijenhuijs, Koen, Nelson, Anthony J., Neto, Félix, Nichols, Austin Lee, Ocampo, Aaron, O’Donnell, Susan L., Oikawa, Haruka, Oikawa, Masanori, Ong, Elsie, Orosz, Gábor, Malgorzata Osowiecka, Packard, Grant, Pérez-Sánchez, Rolando, Petrović, Boban, Pilati, Ronaldo, Pinter, Brad, Podesta, Lysandra, Pogge, Gabrielle, Pollmann, Monique M. H., Rutchick, Abraham M., Saavedra, Patricio, Saeri, Alexander K., Salomon, Erika, Schmidt, Kathleen, Schönbrodt, Felix D., Sekerdej, Maciej B., Sirlopú, David, Skorinko, Jeanine L. M., Smith, Michael A., Smith-Castro, Vanessa, Smolders, Karin C. H. J., Sobkow, Agata, Sowden, Walter, Spachtholz, Philipp, Manini Srivastava, Steiner, Troy G., Stouten, Jeroen, Street, Chris N. H., Sundfelt, Oskar K., Szeto, Stephanie, Szumowska, Ewa, Tang, Andrew C. W., Tanzer, Norbert, Tear, Morgan J., Theriault, Jordan, Thomae, Manuela, Torres, David, Traczyk, Jakub, Tybur, Joshua M., Ujhelyi, Adrienn, Aert, Robbie C. M. Van, Assen, Marcel A. L. M. Van, Hulst, Marije Van Der, Lange, Paul A. M. Van, Anna Elisabeth Van ’T Veer, Echeverría, Alejandro Vásquez, Vaughn, Leigh Ann, Vázquez, Alexandra, Vega, Luis Diego, Verniers, Catherine, Verschoor, Mark, Voermans, Ingrid P. J., Vranka, Marek A., Welch, Cheryl, Wichman, Aaron L., Williams, Lisa A., Wood, Michael, Woodzicka, Julie A., Wronska, Marta K., Young, Liane, Zelenski, John M., Zhijia, Zeng, and Nosek, Brian A.

Subjects
FOS: Psychology, FOS: Clinical medicine, 170199 Psychology not elsewhere classified, 110319 Psychiatry (incl. Psychotherapy)
Abstract

Supplemental material, Klein_Open_Practices_Disclosure for Many Labs 2: Investigating Variation in Replicability Across Samples and Settings by Richard A. Klein, Michelangelo Vianello, Fred Hasselman, Byron G. Adams, Reginald B. Adams, Sinan Alper, Mark Aveyard, Jordan R. Axt, Mayowa T. Babalola, Štěpán Bahník, Rishtee Batra, Mihály Berkics, Michael J. Bernstein, Daniel R. Berry, Olga Bialobrzeska, Evans Dami Binan, Konrad Bocian, Mark J. Brandt, Robert Busching, Anna Cabak Rédei, Huajian Cai, Fanny Cambier, Katarzyna Cantarero, Cheryl L. Carmichael, Francisco Ceric, Jesse Chandler, Jen-Ho Chang, Armand Chatard, Eva E. Chen, Winnee Cheong, David C. Cicero, Sharon Coen, Jennifer A. Coleman, Brian Collisson, Morgan A. Conway, Katherine S. Corker, Paul G. Curran, Fiery Cushman, Zubairu K. Dagona, Ilker Dalgar, Anna Dalla Rosa, William E. Davis, Maaike de Bruijn, Leander De Schutter, Thierry Devos, Marieke de Vries, Canay Doğulu, Nerisa Dozo, Kristin Nicole Dukes, Yarrow Dunham, Kevin Durrheim, Charles R. Ebersole, John E. Edlund, Anja Eller, Alexander Scott English, Carolyn Finck, Natalia Frankowska, Miguel-Ángel Freyre, Mike Friedman, Elisa Maria Galliani, Joshua C. Gandi, Tanuka Ghoshal, Steffen R. Giessner, Tripat Gill, Timo Gnambs, Ángel Gómez, Roberto González, Jesse Graham, Jon E. Grahe, Ivan Grahek, Eva G. T. Green, Kakul Hai, Matthew Haigh, Elizabeth L. Haines, Michael P. Hall, Marie E. Heffernan, Joshua A. Hicks, Petr Houdek, Jeffrey R. Huntsinger, Ho Phi Huynh, Hans IJzerman, Yoel Inbar, Åse H. Innes-Ker, William Jiménez-Leal, Melissa-Sue John, Jennifer A. Joy-Gaba, Roza G. Kamiloğlu, Heather Barry Kappes, Serdar Karabati, Haruna Karick, Victor N. Keller, Anna Kende, Nicolas Kervyn, Goran Knežević, Carrie Kovacs, Lacy E. Krueger, German Kurapov, Jamie Kurtz, Daniël Lakens, Ljiljana B. Lazarević, Carmel A. Levitan, Neil A. Lewis, Samuel Lins, Nikolette P. Lipsey, Joy E. Losee, Esther Maassen, Angela T. Maitner, Winfrida Malingumu, Robyn K. Mallett, Satia A. Marotta, Janko Međedović, Fernando Mena-Pacheco, Taciano L. Milfont, Wendy L. Morris, Sean C. Murphy, Andriy Myachykov, Nick Neave, Koen Neijenhuijs, Anthony J. Nelson, Félix Neto, Austin Lee Nichols, Aaron Ocampo, Susan L. O’Donnell, Haruka Oikawa, Masanori Oikawa, Elsie Ong, Gábor Orosz, Malgorzata Osowiecka, Grant Packard, Rolando Pérez-Sánchez, Boban Petrović, Ronaldo Pilati, Brad Pinter, Lysandra Podesta, Gabrielle Pogge, Monique M. H. Pollmann, Abraham M. Rutchick, Patricio Saavedra, Alexander K. Saeri, Erika Salomon, Kathleen Schmidt, Felix D. Schönbrodt, Maciej B. Sekerdej, David Sirlopú, Jeanine L. M. Skorinko, Michael A. Smith, Vanessa Smith-Castro, Karin C. H. J. Smolders, Agata Sobkow, Walter Sowden, Philipp Spachtholz, Manini Srivastava, Troy G. Steiner, Jeroen Stouten, Chris N. H. Street, Oskar K. Sundfelt, Stephanie Szeto, Ewa Szumowska, Andrew C. W. Tang, Norbert Tanzer, Morgan J. Tear, Jordan Theriault, Manuela Thomae, David Torres, Jakub Traczyk, Joshua M. Tybur, Adrienn Ujhelyi, Robbie C. M. van Aert, Marcel A. L. M. van Assen, Marije van der Hulst, Paul A. M. van Lange, Anna Elisabeth van ’t Veer, Alejandro Vásquez- Echeverría, Leigh Ann Vaughn, Alexandra Vázquez, Luis Diego Vega, Catherine Verniers, Mark Verschoor, Ingrid P. J. Voermans, Marek A. Vranka, Cheryl Welch, Aaron L. Wichman, Lisa A. Williams, Michael Wood, Julie A. Woodzicka, Marta K. Wronska, Liane Young, John M. Zelenski, Zeng Zhijia and Brian A. Nosek in Advances in Methods and Practices in Psychological Science

Published
2018
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19. Does Mindfulness Training Without Explicit Ethics-Based Instruction Promote Prosocial Behaviors? A Meta-Analysis.

Author

Berry, Daniel R., Hoerr, Jonathan P., Cesko, Selena, Alayoubi, Amir, Carpio, Kevin, Zirzow, Hannah, Walters, Wesley, Scram, Genny, Rodriguez, Katie, and Beaver, Vanessa

Abstract

Scholarly discourse has raised concerns about the gravitas of secular mindfulness trainings in promoting prosocial outgrowths, as these trainings lack ethics-based concepts found in contemplative traditions. Random-effects meta-analyses were conducted to test whether mindfulness trainings absent explicit ethics-based instructions promote prosocial action. There was a range of small to medium standardized mean difference effect sizes of mindfulness training on overt acts of prosociality when compared with active and inactive controls, k = 29, N = 3,100, g = .426, 95% confidence interval (CI)(g) = [.304, .549]. Reliable effect size estimates were found for single-session interventions that measured prosocial behavior immediately after training. Mindfulness training also reliably promotes compassionate (but not instrumental or generous) helping and reliably reduces prejudice and retaliation. Publication bias analyses indicated that the reliability of these findings was not wholly dependent on selective reporting. Implications for the science of secular mindfulness training on prosocial action are discussed. [ABSTRACT FROM AUTHOR]

Published
2020
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20. Many Labs 2: Investigating Variation in Replicability Across Samples and Settings

Author

Klein, Richard A., primary, Vianello, Michelangelo, additional, Hasselman, Fred, additional, Adams, Byron G., additional, Adams, Reginald B., additional, Alper, Sinan, additional, Aveyard, Mark, additional, Axt, Jordan R., additional, Babalola, Mayowa T., additional, Bahník, Štěpán, additional, Batra, Rishtee, additional, Berkics, Mihály, additional, Bernstein, Michael J., additional, Berry, Daniel R., additional, Bialobrzeska, Olga, additional, Binan, Evans Dami, additional, Bocian, Konrad, additional, Brandt, Mark J., additional, Busching, Robert, additional, Rédei, Anna Cabak, additional, Cai, Huajian, additional, Cambier, Fanny, additional, Cantarero, Katarzyna, additional, Carmichael, Cheryl L., additional, Ceric, Francisco, additional, Chandler, Jesse, additional, Chang, Jen-Ho, additional, Chatard, Armand, additional, Chen, Eva E., additional, Cheong, Winnee, additional, Cicero, David C., additional, Coen, Sharon, additional, Coleman, Jennifer A., additional, Collisson, Brian, additional, Conway, Morgan A., additional, Corker, Katherine S., additional, Curran, Paul G., additional, Cushman, Fiery, additional, Dagona, Zubairu K., additional, Dalgar, Ilker, additional, Dalla Rosa, Anna, additional, Davis, William E., additional, de Bruijn, Maaike, additional, De Schutter, Leander, additional, Devos, Thierry, additional, de Vries, Marieke, additional, Doğulu, Canay, additional, Dozo, Nerisa, additional, Dukes, Kristin Nicole, additional, Dunham, Yarrow, additional, Durrheim, Kevin, additional, Ebersole, Charles R., additional, Edlund, John E., additional, Eller, Anja, additional, English, Alexander Scott, additional, Finck, Carolyn, additional, Frankowska, Natalia, additional, Freyre, Miguel-Ángel, additional, Friedman, Mike, additional, Galliani, Elisa Maria, additional, Gandi, Joshua C., additional, Ghoshal, Tanuka, additional, Giessner, Steffen R., additional, Gill, Tripat, additional, Gnambs, Timo, additional, Gómez, Ángel, additional, González, Roberto, additional, Graham, Jesse, additional, Grahe, Jon E., additional, Grahek, Ivan, additional, Green, Eva G. T., additional, Hai, Kakul, additional, Haigh, Matthew, additional, Haines, Elizabeth L., additional, Hall, Michael P., additional, Heffernan, Marie E., additional, Hicks, Joshua A., additional, Houdek, Petr, additional, Huntsinger, Jeffrey R., additional, Huynh, Ho Phi, additional, IJzerman, Hans, additional, Inbar, Yoel, additional, Innes-Ker, Åse H., additional, Jiménez-Leal, William, additional, John, Melissa-Sue, additional, Joy-Gaba, Jennifer A., additional, Kamiloğlu, Roza G., additional, Kappes, Heather Barry, additional, Karabati, Serdar, additional, Karick, Haruna, additional, Keller, Victor N., additional, Kende, Anna, additional, Kervyn, Nicolas, additional, Knežević, Goran, additional, Kovacs, Carrie, additional, Krueger, Lacy E., additional, Kurapov, German, additional, Kurtz, Jamie, additional, Lakens, Daniël, additional, Lazarević, Ljiljana B., additional, Levitan, Carmel A., additional, Lewis, Neil A., additional, Lins, Samuel, additional, Lipsey, Nikolette P., additional, Losee, Joy E., additional, Maassen, Esther, additional, Maitner, Angela T., additional, Malingumu, Winfrida, additional, Mallett, Robyn K., additional, Marotta, Satia A., additional, Međedović, Janko, additional, Mena-Pacheco, Fernando, additional, Milfont, Taciano L., additional, Morris, Wendy L., additional, Murphy, Sean C., additional, Myachykov, Andriy, additional, Neave, Nick, additional, Neijenhuijs, Koen, additional, Nelson, Anthony J., additional, Neto, Félix, additional, Lee Nichols, Austin, additional, Ocampo, Aaron, additional, O’Donnell, Susan L., additional, Oikawa, Haruka, additional, Oikawa, Masanori, additional, Ong, Elsie, additional, Orosz, Gábor, additional, Osowiecka, Malgorzata, additional, Packard, Grant, additional, Pérez-Sánchez, Rolando, additional, Petrović, Boban, additional, Pilati, Ronaldo, additional, Pinter, Brad, additional, Podesta, Lysandra, additional, Pogge, Gabrielle, additional, Pollmann, Monique M. H., additional, Rutchick, Abraham M., additional, Saavedra, Patricio, additional, Saeri, Alexander K., additional, Salomon, Erika, additional, Schmidt, Kathleen, additional, Schönbrodt, Felix D., additional, Sekerdej, Maciej B., additional, Sirlopú, David, additional, Skorinko, Jeanine L. M., additional, Smith, Michael A., additional, Smith-Castro, Vanessa, additional, Smolders, Karin C. H. J., additional, Sobkow, Agata, additional, Sowden, Walter, additional, Spachtholz, Philipp, additional, Srivastava, Manini, additional, Steiner, Troy G., additional, Stouten, Jeroen, additional, Street, Chris N. H., additional, Sundfelt, Oskar K., additional, Szeto, Stephanie, additional, Szumowska, Ewa, additional, Tang, Andrew C. W., additional, Tanzer, Norbert, additional, Tear, Morgan J., additional, Theriault, Jordan, additional, Thomae, Manuela, additional, Torres, David, additional, Traczyk, Jakub, additional, Tybur, Joshua M., additional, Ujhelyi, Adrienn, additional, van Aert, Robbie C. M., additional, van Assen, Marcel A. L. M., additional, van der Hulst, Marije, additional, van Lange, Paul A. M., additional, van ’t Veer, Anna Elisabeth, additional, Vásquez- Echeverría, Alejandro, additional, Ann Vaughn, Leigh, additional, Vázquez, Alexandra, additional, Vega, Luis Diego, additional, Verniers, Catherine, additional, Verschoor, Mark, additional, Voermans, Ingrid P. J., additional, Vranka, Marek A., additional, Welch, Cheryl, additional, Wichman, Aaron L., additional, Williams, Lisa A., additional, Wood, Michael, additional, Woodzicka, Julie A., additional, Wronska, Marta K., additional, Young, Liane, additional, Zelenski, John M., additional, Zhijia, Zeng, additional, and Nosek, Brian A., additional

Published
2018
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21. Many Labs 2: Investigating Variation in Replicability Across Sample and Setting

Author

Klein, Richard Anthony, primary, Vianello, Michelangelo, additional, Hasselman, Fred, additional, Adams, Byron Gregory, additional, Adams, Reginald B., additional, Alper, Sinan, additional, Aveyard, Mark, additional, Axt, Jordan, additional, Babalola, Mayowa Tosin, additional, Bahník, Štěpán, additional, Berkics, Mihaly, additional, Bernstein, Michael Jason, additional, Berry, Daniel R., additional, Bialobrzeska, Olga, additional, Bocian, Konrad, additional, Brandt, Mark, additional, Busching, Robert, additional, Cai, Huajian, additional, Cambier, Fanny, additional, Cantarero, Katarzyna, additional, Carmichael, Cheryl L, additional, Cemalcilar, Zeynep, additional, Chandler, Jesse J., additional, Chang, Jen-Ho, additional, Chatard, Armand, additional, CHEN, Eva, additional, Cheong, Winnee, additional, Cicero, David C, additional, Coen, Sharon, additional, Coleman, Jennifer A., additional, Collisson, Brian, additional, Conway, Morgan Anna, additional, Corker, Katherine S., additional, Curran, Paul G, additional, Cushman, Fiery Andrews, additional, Dalgar, Ilker, additional, Davis, William E., additional, de Bruijn, Maaike Jolise, additional, de Vries, Marieke, additional, Devos, Thierry, additional, Doğulu, Canay, additional, Dozo, Nerisa, additional, Dukes, Kristin Nicole, additional, Dunham, Yarrow, additional, Durrheim, Kevin, additional, Easterbrook, Matthew, additional, Ebersole, Charles R., additional, Edlund, John, additional, English, Alexander Scott, additional, Eller, Anja, additional, Finck, Carolyn, additional, Freyre, Miguel-Ángel, additional, Friedman, Mike, additional, Frankowska, Natalia, additional, Galliani, Elisa Maria, additional, Ghoshal, Tanuka, additional, Giessner, Steffen Robert, additional, Gill, Tripat, additional, Gnambs, Timo, additional, Gomez, Angel, additional, Gonzalez, Roberto, additional, Graham, Jesse, additional, Grahe, Jon E., additional, Grahek, Ivan, additional, Green, Eva, additional, Hai, Kakul, additional, Haigh, Matthew, additional, Haines, Elizabeth L., additional, Hall, Michael P., additional, Heffernan, Marie E., additional, Hicks, Joshua A., additional, Houdek, Petr, additional, van der Hulst, Marije, additional, Huntsinger, Jeffrey R., additional, Huynh, Ho Phi, additional, IJzerman, Hans, additional, Inbar, Yoel, additional, Innes-Ker, Åse, additional, Jimenez-Leal, William, additional, John, Melissa-Sue, additional, Joy-Gaba, Jennifer Alana, additional, Kamiloglu, Roza Gizem, additional, Kappes, Andreas, additional, Kappes, Heather Barry, additional, Karabati, Serdar, additional, Karick, Haruna, additional, Keller, Victor N., additional, Kende, Anna, additional, Kervyn, Nicolas /, additional, Knezevic, Goran, additional, Kovacs, Carrie, additional, Krueger, Lacy Elise, additional, Kurapov, German, additional, Kurtz, Jaime, additional, Lakens, Daniel, additional, Lazarevic, Ljiljana B., additional, Levitan, Carmel, additional, Lewis, Neil Anthony, additional, Lins, Samuel, additional, Maassen, Esther, additional, Maitner, Angela, additional, Malingumu, Winfrida, additional, Mallett, Robyn, additional, Marotta, Satia Adele, additional, McIntyre, Jason Cameron, additional, Međedović, Janko Mileta, additional, Milfont, Taciano L, additional, Morris, Wendy, additional, Myachykov, Andriy, additional, Murphy, Sean Christopher, additional, Neijenhuijs, Koen Ilja, additional, Nelson, Anthony J., additional, Neto, Felix Fernando Monteiro, additional, Nichols, Austin Lee, additional, O'Donnell, Susan L., additional, Oikawa, Masanori, additional, Orosz, Gabor, additional, Osowiecka, Malgorzata, additional, Packard, Grant, additional, Pérez, Rolando, additional, Petrovic, Boban, additional, Pilati, Ronaldo, additional, Pinter, Brad, additional, Podesta, Lysandra Maria, additional, Pollmann, Monique Maria Henriettte, additional, Dalla Rosa, Anna, additional, Rutchick, Abraham M., additional, Saavedra, Patricio, additional, Sacco, Airi, additional, Saeri, Alexander K, additional, Salomon, Erika, additional, Schmidt, Kathleen, additional, Schönbrodt, Felix D., additional, Sekerdej, Maciek Borys, additional, Sirlopu, David Ricardo, additional, Skorinko, Jeanine, additional, Smith, Michael A., additional, Smith-Castro, Vanessa, additional, Sobkow, Agata, additional, Sowden, Walter J., additional, Spachtholz, Philipp, additional, Steiner, Troy G., additional, Stouten, Jeroen, additional, Street, Chris N. H., additional, Sundfelt, Oskar, additional, Szumowska, Ewa, additional, Tang, Andrew, additional, Tanzer, Norbert K., additional, Tear, Morgan James, additional, Theriault, Jordan E., additional, Thomae, Manuela, additional, Torres-Fernández, David, additional, Traczyk, Jakub, additional, Tybur, Joshua M., additional, Ujhelyi, Adrienn, additional, van Assen, Marcel A. L. M., additional, van 't Veer, Anna Elisabeth, additional, Vásquez-Echeverría, Alejandro, additional, Vaughn, Leigh Ann, additional, Vázquez, Alexandra ., additional, Vega, Diego, additional, Verniers, Catherine, additional, Verschoor, Mark, additional, Voermans, Ingrid, additional, Vranka, Marek Albert, additional, Welch, Cheryl Alyssa, additional, Wichman, Aaron Lee, additional, Williams, Lisa A., additional, Woodzicka, Julie A., additional, Wronska, Marta Katarzyna, additional, Young, Liane, additional, Zelenski, John M., additional, and Nosek, Brian A., additional

Published
2018
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22. Many Labs 2: Investigating Variation in Replicability Across Samples and Settings

Author

Klein, Richard A., Vianello, Michelangelo, Hasselman, Fred, Adams, Byron G., Adams, Reginald B., Alper, Sinan, Aveyard, Mark, Axt, Jordan R., Babalola, Mayowa T., Bahník, Štěpán, Batra, Rishtee, Berkics, Mihály, Bernstein, Michael J., Berry, Daniel R., Bialobrzeska, Olga, Binan, Evans Dami, Bocian, Konrad, Brandt, Mark J., Busching, Robert, Rédei, Anna Cabak, Cai, Huajian, Cambier, Fanny, Cantarero, Katarzyna, Carmichael, Cheryl L., Ceric, Francisco, Chandler, Jesse, Chang, Jen-Ho, Chatard, Armand, Chen, Eva E., Cheong, Winnee, Cicero, David C., Coen, Sharon, Coleman, Jennifer A., Collisson, Brian, Conway, Morgan A., Corker, Katherine S., Curran, Paul G., Cushman, Fiery, Dagona, Zubairu K., Dalgar, Ilker, Dalla Rosa, Anna, Davis, William E., de Bruijn, Maaike, De Schutter, Leander, Devos, Thierry, de Vries, Marieke, Doğulu, Canay, Dozo, Nerisa, Dukes, Kristin Nicole, Dunham, Yarrow, Durrheim, Kevin, Ebersole, Charles R., Edlund, John E., Eller, Anja, English, Alexander Scott, Finck, Carolyn, Frankowska, Natalia, Freyre, Miguel-ángel, Friedman, Mike, Galliani, Elisa Maria, Gandi, Joshua C., Ghoshal, Tanuka, Giessner, Steffen R., Gill, Tripat, Gnambs, Timo, Gómez, Ángel, González, Roberto, Graham, Jesse, Grahe, Jon E., Grahek, Ivan, Green, Eva G.T., Hai, Kakul, Haigh, Matthew, Haines, Elizabeth L., Hall, Michael P., Heffernan, Marie E., Hicks, Joshua A., Houdek, Petr, Huntsinger, Jeffrey R., Huynh, Ho Phi, Ijzerman, Hans, Inbar, Yoel, Innes-ker, Åse H., Jiménez-leal, William, John, Melissa-sue, Joy-gaba, Jennifer A., Kamiloğlu, Roza G., Kappes, Heather Barry, Karabati, Serdar, Karick, Haruna, Keller, Victor N., Kende, Anna, Kervyn, Nicolas, Knežević, Goran, Kovacs, Carrie, Krueger, Lacy E., Kurapov, German, Kurtz, Jamie, Lakens, Daniël, Lazarević, Ljiljana B., Levitan, Carmel A., Lewis, Neil A., Lins, Samuel, Lipsey, Nikolette P., Losee, Joy E., Maassen, Esther, Maitner, Angela T., Malingumu, Winfrida, Mallett, Robyn K., Marotta, Satia A., Međedović, Janko, Mena-pacheco, Fernando, Milfont, Taciano L., Morris, Wendy L., Murphy, Sean C., Myachykov, Andriy, Neave, Nick, Neijenhuijs, Koen, Nelson, Anthony J., Neto, Félix, Lee Nichols, Austin, Ocampo, Aaron, O’donnell, Susan L., Oikawa, Haruka, Oikawa, Masanori, Ong, Elsie, Orosz, Gábor, Osowiecka, Malgorzata, Packard, Grant, Pérez-sánchez, Rolando, Petrović, Boban, Pilati, Ronaldo, Pinter, Brad, Podesta, Lysandra, Pogge, Gabrielle, Pollmann, Monique M. H., Rutchick, Abraham M., Saavedra, Patricio, Saeri, Alexander K., Salomon, Erika, Schmidt, Kathleen, Schönbrodt, Felix D., Sekerdej, Maciej B., Sirlopú, David, Skorinko, Jeanine L. M., Smith, Michael A., Smith-castro, Vanessa, Smolders, Karin C.H.J., Sobkow, Agata, Sowden, Walter, Spachtholz, Philipp, Srivastava, Manini, Steiner, Troy G., Stouten, Jeroen, Street, Chris N.H., Sundfelt, Oskar K., Szeto, Stephanie, Szumowska, Ewa, Tang, Andrew C.W., Tanzer, Norbert, Tear, Morgan J., Theriault, Jordan, Thomae, Manuela, Torres, David, Traczyk, Jakub, Tybur, Joshua M., Ujhelyi, Adrienn, Van Aert, Robbie C. M., Van Assen, Marcel A. L. M., Van Der Hulst, Marije, Van Lange, Paul A. M., Van ’t Veer, Anna Elisabeth, Vásquez- Echeverría, Alejandro, Ann Vaughn, Leigh, Vázquez, Alexandra, Vega, Luis Diego, Verniers, Catherine, Verschoor, Mark, Voermans, Ingrid P. J., Vranka, Marek A., Welch, Cheryl, Wichman, Aaron L., Williams, Lisa A., Wood, Michael, Woodzicka, Julie A., Wronska, Marta K., Young, Liane, Zelenski, John M., Zhijia, Zeng, Nosek, Brian A., Klein, Richard A., Vianello, Michelangelo, Hasselman, Fred, Adams, Byron G., Adams, Reginald B., Alper, Sinan, Aveyard, Mark, Axt, Jordan R., Babalola, Mayowa T., Bahník, Štěpán, Batra, Rishtee, Berkics, Mihály, Bernstein, Michael J., Berry, Daniel R., Bialobrzeska, Olga, Binan, Evans Dami, Bocian, Konrad, Brandt, Mark J., Busching, Robert, Rédei, Anna Cabak, Cai, Huajian, Cambier, Fanny, Cantarero, Katarzyna, Carmichael, Cheryl L., Ceric, Francisco, Chandler, Jesse, Chang, Jen-Ho, Chatard, Armand, Chen, Eva E., Cheong, Winnee, Cicero, David C., Coen, Sharon, Coleman, Jennifer A., Collisson, Brian, Conway, Morgan A., Corker, Katherine S., Curran, Paul G., Cushman, Fiery, Dagona, Zubairu K., Dalgar, Ilker, Dalla Rosa, Anna, Davis, William E., de Bruijn, Maaike, De Schutter, Leander, Devos, Thierry, de Vries, Marieke, Doğulu, Canay, Dozo, Nerisa, Dukes, Kristin Nicole, Dunham, Yarrow, Durrheim, Kevin, Ebersole, Charles R., Edlund, John E., Eller, Anja, English, Alexander Scott, Finck, Carolyn, Frankowska, Natalia, Freyre, Miguel-ángel, Friedman, Mike, Galliani, Elisa Maria, Gandi, Joshua C., Ghoshal, Tanuka, Giessner, Steffen R., Gill, Tripat, Gnambs, Timo, Gómez, Ángel, González, Roberto, Graham, Jesse, Grahe, Jon E., Grahek, Ivan, Green, Eva G.T., Hai, Kakul, Haigh, Matthew, Haines, Elizabeth L., Hall, Michael P., Heffernan, Marie E., Hicks, Joshua A., Houdek, Petr, Huntsinger, Jeffrey R., Huynh, Ho Phi, Ijzerman, Hans, Inbar, Yoel, Innes-ker, Åse H., Jiménez-leal, William, John, Melissa-sue, Joy-gaba, Jennifer A., Kamiloğlu, Roza G., Kappes, Heather Barry, Karabati, Serdar, Karick, Haruna, Keller, Victor N., Kende, Anna, Kervyn, Nicolas, Knežević, Goran, Kovacs, Carrie, Krueger, Lacy E., Kurapov, German, Kurtz, Jamie, Lakens, Daniël, Lazarević, Ljiljana B., Levitan, Carmel A., Lewis, Neil A., Lins, Samuel, Lipsey, Nikolette P., Losee, Joy E., Maassen, Esther, Maitner, Angela T., Malingumu, Winfrida, Mallett, Robyn K., Marotta, Satia A., Međedović, Janko, Mena-pacheco, Fernando, Milfont, Taciano L., Morris, Wendy L., Murphy, Sean C., Myachykov, Andriy, Neave, Nick, Neijenhuijs, Koen, Nelson, Anthony J., Neto, Félix, Lee Nichols, Austin, Ocampo, Aaron, O’donnell, Susan L., Oikawa, Haruka, Oikawa, Masanori, Ong, Elsie, Orosz, Gábor, Osowiecka, Malgorzata, Packard, Grant, Pérez-sánchez, Rolando, Petrović, Boban, Pilati, Ronaldo, Pinter, Brad, Podesta, Lysandra, Pogge, Gabrielle, Pollmann, Monique M. H., Rutchick, Abraham M., Saavedra, Patricio, Saeri, Alexander K., Salomon, Erika, Schmidt, Kathleen, Schönbrodt, Felix D., Sekerdej, Maciej B., Sirlopú, David, Skorinko, Jeanine L. M., Smith, Michael A., Smith-castro, Vanessa, Smolders, Karin C.H.J., Sobkow, Agata, Sowden, Walter, Spachtholz, Philipp, Srivastava, Manini, Steiner, Troy G., Stouten, Jeroen, Street, Chris N.H., Sundfelt, Oskar K., Szeto, Stephanie, Szumowska, Ewa, Tang, Andrew C.W., Tanzer, Norbert, Tear, Morgan J., Theriault, Jordan, Thomae, Manuela, Torres, David, Traczyk, Jakub, Tybur, Joshua M., Ujhelyi, Adrienn, Van Aert, Robbie C. M., Van Assen, Marcel A. L. M., Van Der Hulst, Marije, Van Lange, Paul A. M., Van ’t Veer, Anna Elisabeth, Vásquez- Echeverría, Alejandro, Ann Vaughn, Leigh, Vázquez, Alexandra, Vega, Luis Diego, Verniers, Catherine, Verschoor, Mark, Voermans, Ingrid P. J., Vranka, Marek A., Welch, Cheryl, Wichman, Aaron L., Williams, Lisa A., Wood, Michael, Woodzicka, Julie A., Wronska, Marta K., Young, Liane, Zelenski, John M., Zhijia, Zeng, and Nosek, Brian A.

Abstract

We conducted preregistered replications of 28 classic and contemporary published findings, with protocols that were peer reviewed in advance, to examine variation in effect magnitudes across samples and settings. Each protocol was administered to approximately half of 125 samples that comprised 15,305 participants from 36 countries and territories. Using the conventional criterion of statistical significance (p < .05), we found that 15 (54%) of the replications provided evidence of a statistically significant effect in the same direction as the original finding. With a strict significance criterion (p < .0001), 14 (50%) of the replications still provided such evidence, a reflection of the extremely high-powered design. Seven (25%) of the replications yielded effect sizes larger than the original ones, and 21 (75%) yielded effect sizes smaller than the original ones. The median comparable Cohen’s ds were 0.60 for the original findings and 0.15 for the replications. The effect sizes were small (< 0.20) in 16 of the replications (57%), and 9 effects (32%) were in the direction opposite the direction of the original effect. Across settings, the Q statistic indicated significant heterogeneity in 11 (39%) of the replication effects, and most of those were among the findings with the largest overall effect sizes; only 1 effect that was near zero in the aggregate showed significant heterogeneity according to this measure. Only 1 effect had a tau value greater than .20, an indication of moderate heterogeneity. Eight others had tau values near or slightly above .10, an indication of slight heterogeneity. Moderation tests indicated that very little heterogeneity was attributable to the order in which the tasks were performed or whether the tasks were administered in lab versus online. Exploratory comparisons revealed little heterogeneity between Western, educated, industrialized, rich, and democratic (WEIRD) cultures and less WEIRD cultures (i.e., cultures with relati

Published
2018

23. Many labs 2:Investigating variation in replicability across samples and settings

Author

Klein, Richard A., Vianello, Michelangelo, Hasselman, Fred, Adams, Byron G., Adams, Reginald B., Alper, Sinan, Aveyard, Mark, Axt, Jordan R., Babalola, Mayowa T., Bahník, Štěpán, Batra, Rishtee, Berkics, Mihály, Bernstein, Michael J., Berry, Daniel R., Bialobrzeska, Olga, Binan, Evans Dami, Bocian, Konrad, Brandt, Mark J., Busching, Robert, Rédei, Anna Cabak, Cai, Huajian, Cambier, Fanny, Cantarero, Katarzyna, Carmichael, Cheryl L., Ceric, Francisco, Chandler, Jesse, Chang, Jen Ho, Chatard, Armand, Chen, Eva E., Cheong, Winnee, Cicero, David C., Coen, Sharon, Coleman, Jennifer A., Collisson, Brian, Conway, Morgan A., Corker, Katherine S., Curran, Paul G., Cushman, Fiery, Dagona, Zubairu K., Dalgar, Ilker, Dalla Rosa, Anna, Davis, William E., de Bruijn, Maaike, De Schutter, Leander, Devos, Thierry, de Vries, Marieke, Doğulu, Canay, Dozo, Nerisa, Dukes, Kristin Nicole, Dunham, Yarrow, Durrheim, Kevin, Ebersole, Charles R., Edlund, John E., Eller, Anja, English, Alexander Scott, Finck, Carolyn, Frankowska, Natalia, Freyre, Miguel Ángel, Friedman, Mike, Galliani, Elisa Maria, Gandi, Joshua C., Ghoshal, Tanuka, Giessner, Steffen R., Gill, Tripat, Gnambs, Timo, Gómez, Ángel, González, Roberto, Graham, Jesse, Grahe, Jon E., Grahek, Ivan, Green, Eva G.T., Hai, Kakul, Haigh, Matthew, Haines, Elizabeth L., Hall, Michael P., Heffernan, Marie E., Hicks, Joshua A., Houdek, Petr, Huntsinger, Jeffrey R., Huynh, Ho Phi, Ijzerman, Hans, Inbar, Yoel, Innes-Ker, Åse H., Jiménez-Leal, William, John, Melissa Sue, Joy-Gaba, Jennifer A., Kamiloğlu, Roza G., Kappes, Heather Barry, Karabati, Serdar, Karick, Haruna, Keller, Victor N., Kende, Anna, Kervyn, Nicolas, Knežević, Goran, Kovacs, Carrie, Krueger, Lacy E., Kurapov, German, Kurtz, Jamie, Lakens, Daniël, Lazarević, Ljiljana B., Levitan, Carmel A., Lewis, Neil A., Lins, Samuel, Lipsey, Nikolette P., Losee, Joy E., Maassen, Esther, Maitner, Angela T., Malingumu, Winfrida, Mallett, Robyn K., Marotta, Satia A., Međedović, Janko, Mena-Pacheco, Fernando, Milfont, Taciano L., Morris, Wendy L., Murphy, Sean C., Myachykov, Andriy, Neave, Nick, Neijenhuijs, Koen, Nelson, Anthony J., Neto, Félix, Nichols, Austin Lee, Ocampo, Aaron, O’donnell, Susan L., Oikawa, Haruka, Oikawa, Masanori, Ong, Elsie, Orosz, Gábor, Osowiecka, Malgorzata, Packard, Grant, Pérez-Sánchez, Rolando, Petrović, Boban, Pilati, Ronaldo, Pinter, Brad, Podesta, Lysandra, Pogge, Gabrielle, Pollmann, Monique M.H., Rutchick, Abraham M., Saavedra, Patricio, Saeri, Alexander K., Salomon, Erika, Schmidt, Kathleen, Schönbrodt, Felix D., Sekerdej, Maciej B., Sirlopú, David, Skorinko, Jeanine L.M., Smith, Michael A., Smith-Castro, Vanessa, Smolders, Karin C.H.J., Sobkow, Agata, Sowden, Walter, Spachtholz, Philipp, Srivastava, Manini, Steiner, Troy G., Stouten, Jeroen, Street, Chris N.H., Sundfelt, Oskar K., Szeto, Stephanie, Szumowska, Ewa, Tang, Andrew C.W., Tanzer, Norbert, Tear, Morgan J., Theriault, Jordan, Thomae, Manuela, Torres, David, Traczyk, Jakub, Tybur, Joshua M., Ujhelyi, Adrienn, van Aert, Robbie C.M., van Assen, Marcel A.L.M., van der Hulst, Marije, van Lange, Paul A.M., van ’t Veer, Anna Elisabeth, Vásquez-Echeverría, Alejandro, Vaughn, Leigh Ann, Vázquez, Alexandra, Vega, Luis Diego, Verniers, Catherine, Verschoor, Mark, Voermans, Ingrid P.J., Vranka, Marek A., Welch, Cheryl, Wichman, Aaron L., Williams, Lisa A., Wood, Michael, Woodzicka, Julie A., Wronska, Marta K., Young, Liane, Zelenski, John M., Zhijia, Zeng, Nosek, Brian A., Klein, Richard A., Vianello, Michelangelo, Hasselman, Fred, Adams, Byron G., Adams, Reginald B., Alper, Sinan, Aveyard, Mark, Axt, Jordan R., Babalola, Mayowa T., Bahník, Štěpán, Batra, Rishtee, Berkics, Mihály, Bernstein, Michael J., Berry, Daniel R., Bialobrzeska, Olga, Binan, Evans Dami, Bocian, Konrad, Brandt, Mark J., Busching, Robert, Rédei, Anna Cabak, Cai, Huajian, Cambier, Fanny, Cantarero, Katarzyna, Carmichael, Cheryl L., Ceric, Francisco, Chandler, Jesse, Chang, Jen Ho, Chatard, Armand, Chen, Eva E., Cheong, Winnee, Cicero, David C., Coen, Sharon, Coleman, Jennifer A., Collisson, Brian, Conway, Morgan A., Corker, Katherine S., Curran, Paul G., Cushman, Fiery, Dagona, Zubairu K., Dalgar, Ilker, Dalla Rosa, Anna, Davis, William E., de Bruijn, Maaike, De Schutter, Leander, Devos, Thierry, de Vries, Marieke, Doğulu, Canay, Dozo, Nerisa, Dukes, Kristin Nicole, Dunham, Yarrow, Durrheim, Kevin, Ebersole, Charles R., Edlund, John E., Eller, Anja, English, Alexander Scott, Finck, Carolyn, Frankowska, Natalia, Freyre, Miguel Ángel, Friedman, Mike, Galliani, Elisa Maria, Gandi, Joshua C., Ghoshal, Tanuka, Giessner, Steffen R., Gill, Tripat, Gnambs, Timo, Gómez, Ángel, González, Roberto, Graham, Jesse, Grahe, Jon E., Grahek, Ivan, Green, Eva G.T., Hai, Kakul, Haigh, Matthew, Haines, Elizabeth L., Hall, Michael P., Heffernan, Marie E., Hicks, Joshua A., Houdek, Petr, Huntsinger, Jeffrey R., Huynh, Ho Phi, Ijzerman, Hans, Inbar, Yoel, Innes-Ker, Åse H., Jiménez-Leal, William, John, Melissa Sue, Joy-Gaba, Jennifer A., Kamiloğlu, Roza G., Kappes, Heather Barry, Karabati, Serdar, Karick, Haruna, Keller, Victor N., Kende, Anna, Kervyn, Nicolas, Knežević, Goran, Kovacs, Carrie, Krueger, Lacy E., Kurapov, German, Kurtz, Jamie, Lakens, Daniël, Lazarević, Ljiljana B., Levitan, Carmel A., Lewis, Neil A., Lins, Samuel, Lipsey, Nikolette P., Losee, Joy E., Maassen, Esther, Maitner, Angela T., Malingumu, Winfrida, Mallett, Robyn K., Marotta, Satia A., Međedović, Janko, Mena-Pacheco, Fernando, Milfont, Taciano L., Morris, Wendy L., Murphy, Sean C., Myachykov, Andriy, Neave, Nick, Neijenhuijs, Koen, Nelson, Anthony J., Neto, Félix, Nichols, Austin Lee, Ocampo, Aaron, O’donnell, Susan L., Oikawa, Haruka, Oikawa, Masanori, Ong, Elsie, Orosz, Gábor, Osowiecka, Malgorzata, Packard, Grant, Pérez-Sánchez, Rolando, Petrović, Boban, Pilati, Ronaldo, Pinter, Brad, Podesta, Lysandra, Pogge, Gabrielle, Pollmann, Monique M.H., Rutchick, Abraham M., Saavedra, Patricio, Saeri, Alexander K., Salomon, Erika, Schmidt, Kathleen, Schönbrodt, Felix D., Sekerdej, Maciej B., Sirlopú, David, Skorinko, Jeanine L.M., Smith, Michael A., Smith-Castro, Vanessa, Smolders, Karin C.H.J., Sobkow, Agata, Sowden, Walter, Spachtholz, Philipp, Srivastava, Manini, Steiner, Troy G., Stouten, Jeroen, Street, Chris N.H., Sundfelt, Oskar K., Szeto, Stephanie, Szumowska, Ewa, Tang, Andrew C.W., Tanzer, Norbert, Tear, Morgan J., Theriault, Jordan, Thomae, Manuela, Torres, David, Traczyk, Jakub, Tybur, Joshua M., Ujhelyi, Adrienn, van Aert, Robbie C.M., van Assen, Marcel A.L.M., van der Hulst, Marije, van Lange, Paul A.M., van ’t Veer, Anna Elisabeth, Vásquez-Echeverría, Alejandro, Vaughn, Leigh Ann, Vázquez, Alexandra, Vega, Luis Diego, Verniers, Catherine, Verschoor, Mark, Voermans, Ingrid P.J., Vranka, Marek A., Welch, Cheryl, Wichman, Aaron L., Williams, Lisa A., Wood, Michael, Woodzicka, Julie A., Wronska, Marta K., Young, Liane, Zelenski, John M., Zhijia, Zeng, and Nosek, Brian A.

Abstract

We conducted preregistered replications of 28 classic and contemporary published findings, with protocols that were peer reviewed in advance, to examine variation in effect magnitudes across samples and settings. Each protocol was administered to approximately half of 125 samples that comprised 15,305 participants from 36 countries and territories. Using the conventional criterion of statistical significance (p <.05), we found that 15 (54%) of the replications provided evidence of a statistically significant effect in the same direction as the original finding. With a strict significance criterion (p <.0001), 14 (50%) of the replications still provided such evidence, a reflection of the extremely highpowered design. Seven (25%) of the replications yielded effect sizes larger than the original ones, and 21 (75%) yielded effect sizes smaller than the original ones. The median comparable Cohen’s ds were 0.60 for the original findings and 0.15 for the replications. The effect sizes were small (< 0.20) in 16 of the replications (57%), and 9 effects (32%) were in the direction opposite the direction of the original effect. Across settings, the Q statistic indicated significant heterogeneity in 11 (39%) of the replication effects, and most of those were among the findings with the largest overall effect sizes; only 1 effect that was near zero in the aggregate showed significant heterogeneity according to this measure. Only 1 effect had a tau value greater than.20, an indication of moderate heterogeneity. Eight others had tau values near or slightly above.10, an indication of slight heterogeneity. Moderation tests indicated that very little heterogeneity was attributable to the order in which the tasks were performed or whether the tasks were administered in lab versus online. Exploratory comparisons revealed little heterogeneity between Western, educated, industrialized, rich, and democratic (WEIRD) cultures and less WEIRD cultures (i.e., cultures with relative

Published
2018

24. Data and Results (per site, etc.)

Author

Huajian Cai, Vázquez, Alexandra, Voermans, Ingrid, Spachtholz, Philipp, English, Alexander Scott, Adams, Byron Gregory, Conway, Morgan, Stouten, Jeroen, Ruggs, Enrica N., Bocian, Konrad, Cicero, David C, Pinter, Brad, Štěpán Bahník, Van Aert, Robbie C. M., Chatard, Armand, Sacco, Airi, Kende, Anna, Aveyard, Mark, Vranka, Marek A., Ujhelyi, Adrienn, Zelenski, John M., Patricio Saavedra, M., Young, Liane, Bernstein, Michael Jason, Theriault, Jordan, Neto, Felix, De Bruijn, Maaike, Lewis, Neil, Berry, Daniel R., Gnambs, Timo, Busching, Robert, Tanuka Ghoshal, Houdek, Petr, Kappes, Andreas, Kakul Hai, Vaughn, Leigh Ann, Pilati, Ronaldo, Giessner, Steffen Robert, Green, Eva, Malgorzata Osowiecka, Mayowa Babaloia, Mihaly Berkics, Krueger, Lacy Elise, Joy-Gaba, Jennifer, Melissa-Sue John, Verniers, Catherine, Yarrow Dunham, Vásquez-Echeverría, Alejandro, Winfrida Malingumu, Coen, Sharon, Woodzicka, Julie A., Morris, Wendy, Ilker Dalgar, Van Assen, Marcel A.L.M., Tanzer, Norbert K., Collisson, Brian, Dukes, Kristin, Bialobrzeska, Olga, Durrheim, Kevin, Jen-Ho Chang, Welch, Cheryl, Orosz, Gabor, Huynh, Ho Phi, Thomae, Manuela, Friedman, Mike, Kappes, Heather, Jimenez-Leal, William, CHEN, Eva, Karabati, Serdar, Corker, Katherine S., Grahe, Jon, Pérez, Rolando, Alper, Sinan, Haines, Elizabeth L., Sundfelt, Oskar, De Vries, Marieke, Innes-Ker, Åse, Međedović, Janko, Eller, Anja, Curran, Paul G, Nerisa Dozo, Steiner, Troy G., Tanzer, Norbert, Karick, Haruna, Schmidt, Kathleen, Maitner, Angela, Davis, William E., Sowden, Walter J., Tripat Gill, Gonzalez, Roberto, Murphy, Sean, Doğulu, Canay, Wronska, Marta Katarzyna, Huntsinger, Jeffrey R., Lakens, Daniel, Graham, Jesse, Carmichael, Cheryl L, Kovacs, Carrie, IJzerman, Hans, Cemalcilar, Zeynep, O'Donnell, Susan L., Maciek Sekerdej, Maassen, Esther, Traczyk, Jakub, Tang, Andrew, Rosa, Anna Dalla, Smith-Castro, Vanessa, Tybur, Joshua M., Vega, Diego, Sobkow, Agata, Kervyn, Nicolas, Easterbrook, Matthew, Wichman, Aaron, Nosek, Brian A., Hall, Michael P., Nelson, Anthony J., Edlund, John, Williams, Lisa A., Finck, Carolyn, Myachykov, Andriy, Brandt, Mark, Heffernan, Marie E., Verschoor, Mark, Nichols, Austin Lee, Coleman, Jennifer A., Winnee Cheong, Petrovic, Boban, Inbar, Yoel, Van Der Hulst, Marije, Levitan, Carmel, Lazarevic, Lili, Galliani, Elisa Maria, Packard, Grant, McIntyre, Jason, Haigh, Matthew, Skorinko, Jeanine, Frankowska, Natalia, Szumowska, Ewa, Keller, Victor N., Podesta, Lysandra, Adams, Reginald B., Klein, Richard A., Knezevic, Goran, Saeri, Alexander K, Torres, David, Sirlopu, David Ricardo, Salomon, Erika, Anna Van 'T Veer, Tear, Morgan, Lins, Samuel, Neijenhuijs, Koen Ilja, Vianello, Michelangelo, Marotta, Satia, Street, Chris N. H., Mallett, Robyn, Kurapov, German, Pollmann, Monique, Kamiloglu, Roza, Ebersole, Charles R., Cambier, Fanny, Gomez, Angel, Smith, Michael A., Chandler, Jesse J., Kurtz, Jaime, Oikawa, Masanori, Devos, Thierry, Schönbrodt, Felix, Milfont, Taciano L., Miguel-Ángel Freyre, Rutchick, Abraham M., Axt, Jordan, Hasselman, Fred, Hicks, Joshua A., Grahek, Ivan, Cantarero, Katarzyna, and Cushman, Fiery

Abstract

Data from Many Labs 2 Replication Project

Published
2017
Full Text
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25. Analysis Scripts

Author

Bernstein, Michael Jason, De Bruijn, Maaike, Huntsinger, Jeffrey R., Young, Liane, Lazarevic, Lili, Milfont, Taciano L., Nerisa Dozo, Heffernan, Marie E., Alper, Sinan, Jimenez-Leal, William, Torres, David, Vásquez-Echeverría, Alejandro, Keller, Victor N., Friedman, Mike, Corker, Katherine S., Verniers, Catherine, Cushman, Fiery, Pinter, Brad, Collisson, Brian, Sacco, Airi, Maassen, Esther, Pilati, Ronaldo, Carmichael, Cheryl L, Haigh, Matthew, Chatard, Armand, Durrheim, Kevin, Verschoor, Mark, Traczyk, Jakub, Innes-Ker, Åse, Sowden, Walter J., Yarrow Dunham, Huajian Cai, Winnee Cheong, Nosek, Brian A., English, Alexander Scott, Schmidt, Kathleen, Inbar, Yoel, Ujhelyi, Adrienn, Kovacs, Carrie, Vranka, Marek A., Tanzer, Norbert K., Kende, Anna, Podesta, Lysandra, Vaughn, Leigh Ann, Tanzer, Norbert, Houdek, Petr, Curran, Paul G, Haines, Elizabeth L., Rosa, Anna Dalla, Nelson, Anthony J., Vega, Diego, Maciek Sekerdej, Kurtz, Jaime, Williams, Lisa A., Cemalcilar, Zeynep, CHEN, Eva, Skorinko, Jeanine, Grahe, Jon, Murphy, Sean, Sirlopu, David Ricardo, Kervyn, Nicolas, Smith-Castro, Vanessa, Karabati, Serdar, Patricio Saavedra, M., Van Der Hulst, Marije, Coen, Sharon, Miguel-Ángel Freyre, Graham, Jesse, Neijenhuijs, Koen Ilja, Winfrida Malingumu, Maitner, Angela, Adams, Byron Gregory, Morris, Wendy, IJzerman, Hans, Smith, Michael A., Vianello, Michelangelo, Bialobrzeska, Olga, Davis, William E., Tripat Gill, Huynh, Ho Phi, Orosz, Gabor, Tybur, Joshua M., Gnambs, Timo, Myachykov, Andriy, Lakens, Daniel, Van Assen, Marcel A.L.M., Cantarero, Katarzyna, Brandt, Mark, Oikawa, Masanori, Tang, Andrew, Finck, Carolyn, Gonzalez, Roberto, Stouten, Jeroen, Ebersole, Charles R., Cambier, Fanny, Klein, Richard A., Galliani, Elisa Maria, Štěpán Bahník, Ruggs, Enrica N., Adams, Reginald B., Aveyard, Mark, Petrovic, Boban, Conway, Morgan, McIntyre, Jason, Giessner, Steffen Robert, Rutchick, Abraham M., Axt, Jordan, Levitan, Carmel, Međedović, Janko, Packard, Grant, Hall, Michael P., Wichman, Aaron, Mayowa Babaloia, Woodzicka, Julie A., Busching, Robert, Theriault, Jordan, Kurapov, German, Berry, Daniel R., Frankowska, Natalia, Chandler, Jesse J., Kakul Hai, Szumowska, Ewa, Marotta, Satia, Pollmann, Monique, Mallett, Robyn, Vázquez, Alexandra, Salomon, Erika, Knezevic, Goran, Kamiloglu, Roza, Dukes, Kristin, Devos, Thierry, Zelenski, John M., Lins, Samuel, Green, Eva, Anna Van 'T Veer, Cicero, David C, Joy-Gaba, Jennifer, Sobkow, Agata, Doğulu, Canay, Sundfelt, Oskar, Ilker Dalgar, Wronska, Marta Katarzyna, Malgorzata Osowiecka, Schönbrodt, Felix, Gomez, Angel, O'Donnell, Susan L., Tear, Morgan, Spachtholz, Philipp, Eller, Anja, Voermans, Ingrid, Tanuka Ghoshal, Mihaly Berkics, Melissa-Sue John, Easterbrook, Matthew, Saeri, Alexander K, Edlund, John, Kappes, Heather, Neto, Felix, Welch, Cheryl, Steiner, Troy G., Karick, Haruna, Lewis, Neil, Street, Chris N. H., Hicks, Joshua A., Pérez, Rolando, Krueger, Lacy Elise, Kappes, Andreas, Thomae, Manuela, De Vries, Marieke, Grahek, Ivan, Bocian, Konrad, Nichols, Austin Lee, Hasselman, Fred, Coleman, Jennifer A., and Jen-Ho Chang

Published
2017
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26. Materials for Individual Studies

Author

Maassen, Esther, English, Alexander Scott, Winnee Cheong, Adams, Byron Gregory, Steiner, Troy G., Coleman, Jennifer A., Finck, Carolyn, Theriault, Jordan, Cambier, Fanny, Kovacs, Carrie, Kakul Hai, Houdek, Petr, Lakens, Daniel, Wronska, Marta Katarzyna, Nichols, Austin Lee, Tybur, Joshua M., Anna Van 'T Veer, Nerisa Dozo, Vianello, Michelangelo, Eller, Anja, Aveyard, Mark, Easterbrook, Matthew, Lazarevic, Lili, O'Donnell, Susan L., Saeri, Alexander K, Orosz, Gabor, Lewis, Neil, Hall, Michael P., Tear, Morgan, Klein, Richard A., Myachykov, Andriy, Chandler, Jesse J., Voermans, Ingrid, Kappes, Andreas, Knezevic, Goran, Sirlopu, David Ricardo, Neijenhuijs, Koen Ilja, Smith, Michael A., Kamiloglu, Roza, Vega, Diego, Kurapov, German, Murphy, Sean, Graham, Jesse, Milfont, Taciano L., Spachtholz, Philipp, Gnambs, Timo, Green, Eva, Vranka, Marek A., Nelson, Anthony J., De Bruijn, Maaike, Mayowa Babaloia, Morris, Wendy, Van Der Hulst, Marije, Heffernan, Marie E., Van Assen, Marcel A.L.M., Cantarero, Katarzyna, Smith-Castro, Vanessa, Street, Chris N. H., Corker, Katherine S., Brandt, Mark, Pollmann, Monique, Tanuka Ghoshal, Inbar, Yoel, Stouten, Jeroen, Thomae, Manuela, Haigh, Matthew, Patricio Saavedra, M., Vázquez, Alexandra, Axt, Jordan, Williams, Lisa A., Cicero, David C, Winfrida Malingumu, Conway, Morgan, Maitner, Angela, Sundfelt, Oskar, Young, Liane, Grahe, Jon, Galliani, Elisa Maria, Edlund, John, Ujhelyi, Adrienn, Cushman, Fiery, Tanzer, Norbert, Yarrow Dunham, Maciek Sekerdej, Sowden, Walter J., Berry, Daniel R., Skorinko, Jeanine, Dukes, Kristin, Cemalcilar, Zeynep, Pilati, Ronaldo, Collisson, Brian, Carmichael, Cheryl L, Neto, Felix, Friedman, Mike, Haines, Elizabeth L., Wichman, Aaron, De Vries, Marieke, Ilker Dalgar, Keller, Victor N., Salomon, Erika, Grahek, Ivan, Innes-Ker, Åse, Zelenski, John M., Sobkow, Agata, Lins, Samuel, Ebersole, Charles R., Sacco, Airi, Kappes, Heather, Doğulu, Canay, Hasselman, Fred, Melissa-Sue John, Nosek, Brian A., Pinter, Brad, Pérez, Rolando, Bocian, Konrad, Miguel-Ángel Freyre, Woodzicka, Julie A., Međedović, Janko, Karabati, Serdar, Tang, Andrew, Adams, Reginald B., Verniers, Catherine, Bialobrzeska, Olga, Joy-Gaba, Jennifer, Frankowska, Natalia, Alper, Sinan, CHEN, Eva, Vásquez-Echeverría, Alejandro, Torres, David, Mallett, Robyn, Hicks, Joshua A., Coen, Sharon, McIntyre, Jason, Durrheim, Kevin, Rosa, Anna Dalla, Curran, Paul G, IJzerman, Hans, Schmidt, Kathleen, Schönbrodt, Felix, Ruggs, Enrica N., Verschoor, Mark, Devos, Thierry, Jimenez-Leal, William, Kende, Anna, Petrovic, Boban, Giessner, Steffen Robert, Traczyk, Jakub, Packard, Grant, Huajian Cai, Vaughn, Leigh Ann, Bernstein, Michael Jason, Rutchick, Abraham M., Welch, Cheryl, Chatard, Armand, Levitan, Carmel, Tanzer, Norbert K., Podesta, Lysandra, Busching, Robert, Gomez, Angel, Gonzalez, Roberto, Huynh, Ho Phi, Tripat Gill, Marotta, Satia, Szumowska, Ewa, Štěpán Bahník, Krueger, Lacy Elise, Karick, Haruna, Huntsinger, Jeffrey R., Davis, William E., Kervyn, Nicolas, Jen-Ho Chang, Malgorzata Osowiecka, Kurtz, Jaime, Mihaly Berkics, and Oikawa, Masanori

Published
2014
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27. Codebooks and Study Files

Author

Ujhelyi, Adrienn, Young, Liane, Pérez, Rolando, Tanuka Ghoshal, Thomae, Manuela, Durrheim, Kevin, Kovacs, Carrie, Tybur, Joshua M., Street, Chris N. H., Nichols, Austin Lee, Maassen, Esther, Mayowa Babaloia, Morris, Wendy, Busching, Robert, Anna Van 'T Veer, Levitan, Carmel, Innes-Ker, Åse, Grahek, Ivan, Jen-Ho Chang, Schönbrodt, Felix, Pilati, Ronaldo, Nerisa Dozo, Van Assen, Marcel A.L.M., Gomez, Angel, Yarrow Dunham, Eller, Anja, De Bruijn, Maaike, Frankowska, Natalia, Ebersole, Charles R., Keller, Victor N., CHEN, Eva, English, Alexander Scott, Curran, Paul G, Brandt, Mark, Adams, Reginald B., Miguel-Ángel Freyre, Traczyk, Jakub, Friedman, Mike, Tripat Gill, Kurapov, German, Wronska, Marta Katarzyna, Bocian, Konrad, Knezevic, Goran, Carmichael, Cheryl L, Wichman, Aaron, Theriault, Jordan, Chatard, Armand, Haigh, Matthew, Lewis, Neil, Alper, Sinan, Huntsinger, Jeffrey R., Haines, Elizabeth L., Winnee Cheong, Skorinko, Jeanine, Pinter, Brad, Pollmann, Monique, Bialobrzeska, Olga, Cicero, David C, Stouten, Jeroen, Cushman, Fiery, Green, Eva, Williams, Lisa A., Ruggs, Enrica N., Nosek, Brian A., Marotta, Satia, Kakul Hai, Graham, Jesse, Vega, Diego, Voermans, Ingrid, Klein, Richard A., Conway, Morgan, Tang, Andrew, Verschoor, Mark, Lins, Samuel, Sacco, Airi, Štěpán Bahník, Giessner, Steffen Robert, Tanzer, Norbert, Patricio Saavedra, M., Adams, Byron Gregory, Packard, Grant, Axt, Jordan, Vranka, Marek A., Sowden, Walter J., Oikawa, Masanori, Kappes, Andreas, Chandler, Jesse J., Gonzalez, Roberto, Neto, Felix, Milfont, Taciano L., Lazarevic, Lili, Kappes, Heather, Hicks, Joshua A., Nelson, Anthony J., Saeri, Alexander K, Winfrida Malingumu, Edlund, John, Rutchick, Abraham M., Easterbrook, Matthew, Myachykov, Andriy, McIntyre, Jason, Karick, Haruna, Međedović, Janko, Welch, Cheryl, O'Donnell, Susan L., Kende, Anna, Berry, Daniel R., Szumowska, Ewa, Doğulu, Canay, Dukes, Kristin, Mallett, Robyn, Maitner, Angela, Collisson, Brian, Tear, Morgan, Spachtholz, Philipp, Orosz, Gabor, Coleman, Jennifer A., Neijenhuijs, Koen Ilja, Petrovic, Boban, Torres, David, Steiner, Troy G., Cambier, Fanny, Hall, Michael P., Podesta, Lysandra, Vianello, Michelangelo, Sobkow, Agata, Inbar, Yoel, Coen, Sharon, Kervyn, Nicolas, Davis, William E., Sundfelt, Oskar, Maciek Sekerdej, Tanzer, Norbert K., Vázquez, Alexandra, De Vries, Marieke, Cemalcilar, Zeynep, Karabati, Serdar, Verniers, Catherine, Salomon, Erika, Kurtz, Jaime, Rosa, Anna Dalla, Melissa-Sue John, Huajian Cai, Woodzicka, Julie A., Hasselman, Fred, Schmidt, Kathleen, Bernstein, Michael Jason, Gnambs, Timo, Sirlopu, David Ricardo, Vásquez-Echeverría, Alejandro, Aveyard, Mark, IJzerman, Hans, Vaughn, Leigh Ann, Smith-Castro, Vanessa, Galliani, Elisa Maria, Cantarero, Katarzyna, Malgorzata Osowiecka, Devos, Thierry, Jimenez-Leal, William, Ilker Dalgar, Zelenski, John M., Corker, Katherine S., Finck, Carolyn, Mihaly Berkics, Huynh, Ho Phi, Smith, Michael A., Lakens, Daniel, Houdek, Petr, Murphy, Sean, Joy-Gaba, Jennifer, Van Der Hulst, Marije, Krueger, Lacy Elise, Heffernan, Marie E., Grahe, Jon, and Kamiloglu, Roza

Abstract

See the "Wiki" for more details.

Published
2013
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28. Videos Documenting Data Collection

Author

Vega, Diego, Easterbrook, Matthew, Giessner, Steffen Robert, Pollmann, Monique, Galliani, Elisa Maria, Rutchick, Abraham M., Corker, Katherine S., Tanuka Ghoshal, Karabati, Serdar, Hasselman, Fred, Huajian Cai, Kamiloglu, Roza, Carmichael, Cheryl L, Smith-Castro, Vanessa, Schönbrodt, Felix, Sacco, Airi, Edlund, John, Pilati, Ronaldo, Zelenski, John M., Kurtz, Jaime, Tang, Andrew, Nelson, Anthony J., Pérez, Rolando, Kakul Hai, Vázquez, Alexandra, Verniers, Catherine, Alper, Sinan, Vranka, Marek A., Durrheim, Kevin, Marotta, Satia, Klein, Richard A., Gnambs, Timo, Chatard, Armand, IJzerman, Hans, Packard, Grant, Maassen, Esther, Innes-Ker, Åse, Vásquez-Echeverría, Alejandro, Theriault, Jordan, Sundfelt, Oskar, Schmidt, Kathleen, Lins, Samuel, Vianello, Michelangelo, Inbar, Yoel, Kappes, Andreas, Coen, Sharon, Young, Liane, Štěpán Bahník, Wronska, Marta Katarzyna, Nichols, Austin Lee, Kurapov, German, Kappes, Heather, Wichman, Aaron, Vaughn, Leigh Ann, Sowden, Walter J., English, Alexander Scott, Szumowska, Ewa, Yarrow Dunham, Huntsinger, Jeffrey R., Doğulu, Canay, Coleman, Jennifer A., Pinter, Brad, Hall, Michael P., Joy-Gaba, Jennifer, Frankowska, Natalia, Steiner, Troy G., Cambier, Fanny, Neto, Felix, Adams, Reginald B., Sirlopu, David Ricardo, Brandt, Mark, Nerisa Dozo, Levitan, Carmel, Curran, Paul G, Conway, Morgan, Bocian, Konrad, Busching, Robert, Cushman, Fiery, Melissa-Sue John, Axt, Jordan, Van Assen, Marcel A.L.M., Finck, Carolyn, Graham, Jesse, Berry, Daniel R., Grahek, Ivan, Green, Eva, Van Der Hulst, Marije, Kervyn, Nicolas, Morris, Wendy, Bialobrzeska, Olga, Mallett, Robyn, Gomez, Angel, Oikawa, Masanori, Traczyk, Jakub, De Bruijn, Maaike, Malgorzata Osowiecka, Maitner, Angela, Haines, Elizabeth L., Ilker Dalgar, Davis, William E., Stouten, Jeroen, Saeri, Alexander K, Chandler, Jesse J., Kende, Anna, Mayowa Babaloia, Međedović, Janko, Salomon, Erika, Lakens, Daniel, Tear, Morgan, Knezevic, Goran, Podesta, Lysandra, O'Donnell, Susan L., Haigh, Matthew, Skorinko, Jeanine, Krueger, Lacy Elise, Houdek, Petr, Ujhelyi, Adrienn, Aveyard, Mark, Keller, Victor N., Ruggs, Enrica N., Jen-Ho Chang, Tanzer, Norbert, Mihaly Berkics, Huynh, Ho Phi, Miguel-Ángel Freyre, Torres, David, Devos, Thierry, Voermans, Ingrid, Myachykov, Andriy, Gonzalez, Roberto, Sobkow, Agata, Kovacs, Carrie, CHEN, Eva, Woodzicka, Julie A., Milfont, Taciano L., Rosa, Anna Dalla, Jimenez-Leal, William, Orosz, Gabor, Murphy, Sean, Welch, Cheryl, Winnee Cheong, Heffernan, Marie E., Williams, Lisa A., Winfrida Malingumu, Collisson, Brian, Spachtholz, Philipp, Patricio Saavedra, M., Eller, Anja, Verschoor, Mark, McIntyre, Jason, Adams, Byron Gregory, Anna Van 'T Veer, Tybur, Joshua M., Petrovic, Boban, Lazarevic, Lili, Karick, Haruna, Nosek, Brian A., Friedman, Mike, Cantarero, Katarzyna, Dukes, Kristin, Grahe, Jon, Tanzer, Norbert K., Hicks, Joshua A., Cicero, David C, Ebersole, Charles R., Neijenhuijs, Koen Ilja, Tripat Gill, Cemalcilar, Zeynep, Maciek Sekerdej, De Vries, Marieke, Street, Chris N. H., Smith, Michael A., Bernstein, Michael Jason, Lewis, Neil, and Thomae, Manuela

Published
2013
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30. Short-Term Training in Mindfulness Predicts Helping Behavior Toward Racial Ingroup and Outgroup Members

Author

Berry, Daniel R., Wall, Catherine S. J., Tubbs, Justin D., Zeidan, Fadel, and Brown, Kirk Warren

Abstract

A randomized controlled trial tested whether mindfulness training would increase lab-based and in vivo spontaneous helping behaviors toward racial outgroup members. First, across conditions, those scoring higher in baseline trait mindfulness showed higher levels of preintervention lab-based and ecological momentary assessment (EMA)-based helping behavior. Next, short-term (4-day) training in mindfulness, relative to a well-matched sham meditation training, increased interracial helping behavior in a lab-based simulation. Finally, among people scoring lower in a basic form of trait mindfulness at baseline—that is, with greater room for improvement—mindfulness training predicted higher postintervention in vivo helping behavior reported via EMA. However, neither training condition alone attenuated preferential helping toward racial ingroup members. These findings indicate, for the first time, that mindfulness and its training fosters helping behavior toward strangers and acquaintances regardless of their racial ingroup or outgroup status, but preferential helping of racial ingroup members remains.

Published
2022
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