318 results on '"Juanchich, Marie"'
Search Results
2. Do claims about certainty make estimates less certain?
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Teigen, Karl Halvor and Juanchich, Marie
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- 2024
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3. A pre-registered, multi-lab non-replication of the action-sentence compatibility effect (ACE)
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Morey, Richard D, Kaschak, Michael P, Díez-Álamo, Antonio M, Glenberg, Arthur M, Zwaan, Rolf A, Lakens, Daniël, Ibáñez, Agustín, García, Adolfo, Gianelli, Claudia, Jones, John L, Madden, Julie, Alifano, Florencia, Bergen, Benjamin, Bloxsom, Nicholas G, Bub, Daniel N, Cai, Zhenguang G, Chartier, Christopher R, Chatterjee, Anjan, Conwell, Erin, Cook, Susan Wagner, Davis, Joshua D, Evers, Ellen RK, Girard, Sandrine, Harter, Derek, Hartung, Franziska, Herrera, Eduar, Huettig, Falk, Humphries, Stacey, Juanchich, Marie, Kühne, Katharina, Lu, Shulan, Lynes, Tom, Masson, Michael EJ, Ostarek, Markus, Pessers, Sebastiaan, Reglin, Rebecca, Steegen, Sara, Thiessen, Erik D, Thomas, Laura E, Trott, Sean, Vandekerckhove, Joachim, Vanpaemel, Wolf, Vlachou, Maria, Williams, Kristina, and Ziv-Crispel, Noam
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Behavioral and Social Science ,Basic Behavioral and Social Science ,Comprehension ,Humans ,Language ,Movement ,Reaction Time ,Embodied cognition ,Action-sentence compatibility effect ,Psychology ,Cognitive Sciences ,Experimental Psychology - Abstract
The Action-sentence Compatibility Effect (ACE) is a well-known demonstration of the role of motor activity in the comprehension of language. Participants are asked to make sensibility judgments on sentences by producing movements toward the body or away from the body. The ACE is the finding that movements are faster when the direction of the movement (e.g., toward) matches the direction of the action in the to-be-judged sentence (e.g., Art gave you the pen describes action toward you). We report on a pre-registered, multi-lab replication of one version of the ACE. The results show that none of the 18 labs involved in the study observed a reliable ACE, and that the meta-analytic estimate of the size of the ACE was essentially zero.
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- 2022
4. When intuitive Bayesians need to be good readers: The problem-wording effect on Bayesian reasoning
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Sirota, Miroslav, Navarrete, Gorka, and Juanchich, Marie
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- 2024
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5. Who will I be when I retire? The role of organizational commitment, group memberships and retirement transition framing on older worker's anticipated identity change in retirement
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Jolles, Daniel, Lamarche, Veronica M., Rolison, Jonathan J., and Juanchich, Marie
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Psychological research ,Aged -- Employment ,Retirement -- Psychological aspects ,Identity -- Research ,Psychology and mental health - Abstract
Retirement is an eagerly awaited life transition for many older workers, but some may anticipate their exit from the workforce will result in loss of meaningful work-based activities and social interactions. For older workers more committed to their organization, retirement might represent a threat to maintaining a consistent, positive identity. Across three pre-registered studies of US adults aged 49 to 75, we investigated the relationship between organizational commitment and anticipated identity changes in retirement. Studies 1 and 2 (N = 1059) found that older workers largely anticipated positive changes to their identity in retirement. In Study 2, we divided older workers into two conditions and used a framing manipulation to present retirement as either a 'role exit' or a 'role entry'. In the 'role exit' condition, older workers less committed to their organization anticipated more positive changes when they held more group memberships compared to those with fewer group memberships. Those in the 'role entry' condition anticipated significantly more positive changes to their identity in retirement than those in the 'role exit' condition, but did not anticipate more positive changes based on organizational commitment or group memberships. More group memberships, but not lower organizational commitment, was associated with more positive anticipation of identity changes in retirement. Study 3 (N = 215) surveyed older adults after they had retired, finding that identity changes experienced post-retirement were less positive than those anticipated by older workers. We discuss the theoretical and applied implications of these findings for older workers' retirement decisions and wellbeing., Author(s): Daniel Jolles [sup.1] , Veronica M. Lamarche [sup.1] , Jonathan J. Rolison [sup.1] , Marie Juanchich [sup.1] Author Affiliations: (1) grid.8356.8, 0000 0001 0942 6946, Department of Psychology, University [...]
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- 2023
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6. Promoting COVID-19 vaccine confidence through public responses to misinformation: The joint influence of message source and message content
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Wood, Reed M., Juanchich, Marie, Ramirez, Mark, and Zhang, Shenghao
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- 2023
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7. COVID-19: Conspiracies and Collateral Damage vs Constructive Critique
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Lewandowsky, Stephan, primary, Armaos, Konstantinos, additional, Bruns, Hendrik, additional, Schmid, Philipp, additional, Holford, Dawn Liu, additional, Hahn, Ulrike, additional, Al-Rawi, Ahmed, additional, Sah, Sunita, additional, Cook, John, additional, Juanchich, Marie, additional, and Ladyman, James, additional
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- 2022
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8. What is a “likely” amount? Representative (modal) values are considered likely even when their probabilities are low
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Teigen, Karl Halvor, Juanchich, Marie, and Løhre, Erik
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- 2022
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9. Too Old to Be a Diversity Hire: Choice Bundling Shown to Increase Gender-Diverse Hiring Decisions Fails to Increase Age Diversity.
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Jolles, Daniel, Juanchich, Marie, and Piccoli, Beatrice
- Abstract
Past research has shown that people are more likely to make the decision to hire candidates whose gender would increase group diversity when making multiple hiring choices in a bundle (i.e., when selecting multiple team members simultaneously) compared to making choices in isolation (i.e., when selecting a single team member). However, it is unclear if this bundling effect extends to age diversity and the selection of older candidates, as older workers are often the target of socially acceptable negative stereotypes and bias in recruitment, leaving them unemployed for longer than their younger counterparts. Across five preregistered experiments (total N = 4,096), we tested if the positive effect of bundling on diversity of selections extends to older candidates in hiring decisions. We found evidence of bias against older job candidates in hiring decisions but found inconsistent effects of choice bundling on the selection of older candidates across experiments. An effect of bundling was found in two of five experiments, with no meta-analytic effect found across the five studies. Making older candidates more competitive and introducing a diversity statement aimed at increasing their selection both significantly increased older candidate selections, but failed to activate the bundling effect. We discuss the theoretical implications for choice bundling interventions and for age as a diversity characteristic to support the design of interventions that meet the challenges of an aging workforce. Public Significance Statement: This research demonstrates that a theoretically driven behavioral intervention proposed to increase diversity largely failed to increase age diversity via the selection of older candidates. In the context of hiring, explicit diversity statements that make clear the company aim to increase age diversity via the representation of older workers are effective in increasing selections, but these statements do not activate the diversity benefits of bundling decisions, and may even overpower them. More generally, behavioral interventions aimed at increasing choice diversity may depend on the target characteristic being neither too undesirable nor desirable to the selector. Overall, this highlights the contextual nature of behavioral choice interventions, and suggests that interventions designed to increase diversity cannot be expected to work uniformly across different diversity characteristics or in combination with other interventions. [ABSTRACT FROM AUTHOR]
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- 2024
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10. Vaccination Invitations Sent by Warm and Competent Medical Professionals Disclosing Risks and Benefits Increase Trust and Booking Intention and Reduce Inequalities Between Ethnic Groups.
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Juanchich, Marie, Oakley, Claire M., Sayer, Hazel, Holford, Dawn Liu, Bruine de Bruin, Wändi, Booker, Cara, Chadborn, Tim, Vallee-Tourangeau, Gaëlle, Wood, Reed M., and Sirota, Miroslav
- Abstract
Copyright of Health Psychology is the property of American Psychological Association and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2024
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11. The social learning account of trypophobia.
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Cole, Geoff G., Millett, Abbie C., and Juanchich, Marie
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SOCIAL media ,INTERNET forums ,SOCIAL learning ,MEDIA studies ,SOCIAL accounting - Abstract
Trypophobia is the condition in which individuals report a range of negative emotions when viewing clusters of small holes. Since the phenomenon was first described in the peer-reviewed literature a decade ago, 49 papers have appeared together with hundreds of news articles. There has also been much discussion on various Internet forums, including medical and health-related websites. In the present article, we examine the degree to which the phenomenon is caused by a form of social learning, specifically, its ubiquitous social media presence. We also examined its prevalence among the broad population. In Experiment 1 (n = 2,558), we assessed whether younger people and females (i.e., greater social media users) are more sensitive to trypophobic stimuli, as predicted by the social media hypothesis. In Experiment 2 (n = 283), we examined whether sensitivity to trypophobic stimuli and rates of trypophobia is greater in people who are aware of the condition's existence, as opposed to those who have never heard of the phenomenon. In line with the social media theory, results showed that younger people and females are indeed more susceptible to trypophobia. However, 24% of trypophobic individuals have never heard of the condition. Overall, these data suggest that both social learning and non-social learning contribute to trypophobia. We also find that the prevalence of trypophobia is approximately 10%. [ABSTRACT FROM AUTHOR]
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- 2024
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12. Most Family Physicians Report Communicating the Risks of Adverse Drug Reactions in Words (vs. Numbers)
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Juanchich, Marie and Sirota, Miroslav
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Family physicians can communicate to patients the risk of adverse drug reactions using words or numbers, and this format has important implications for patients' ability to make informed decisions. The present study (a) assessed which formats family physicians preferred to communicate the risk of a given side effect, (b) tested whether the severity of this adverse drug reaction affected this preference, and (c) investigated the type of quantifiers physicians preferred to use in general (e.g., ratios, percentages). In a format selection task, a sample of 131 family physicians reported that they mostly use words to communicate to patients the risk of mild and severe adverse drug reactions, but the verbal preference was weaker for severe adverse drug reactions. The quantifier selection task showed that the most common quantifiers were verbal frequencies and verbal probabilities. Family physicians and patients should be aware of the implications of this preference.
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- 2020
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13. Want to prime exercise? Calorie labels work better than activity ones!
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Liu, Dawn and Juanchich, Marie
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priming ,exercise ,obesity ,health ,food labels ,behavioural intentions - Abstract
‘Activity-equivalent’ food labels are believed to encourageconsumers to partake in exercise. This may occur by semanticpriming, where featuring images of physical activity increasesthe mental accessibility of the concept of exercise, making itmore ‘fluent’ and therefore more influential on people’sbehaviour. We tested how the format of labels (image vs.text) and representation of energy (‘activity’ vs. ‘calorie)affected mental accessibility of exercise in a word-fragmentcompletion task and participants’ behavioural intentions forexercise (N = 142). Participants exposed to calorie labelsproduced more exercise-related words and viewed animagined exercise scenario as shorter and more enjoyable.Images led to higher intentions to exercise than text whenthey described activities but they led to lower intentions toexercise than text when they described calories. Findingssuggest that activity labels do not trigger more activity relatedthoughts, but could increase exercise intentions only ifpresented in pictorial format.
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- 2017
14. Focus to an attribute with verbal or numerical quantifiers affects the attribute framing effect
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Liu, Dawn, Juanchich, Marie, and Sirota, Miroslav
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- 2020
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15. Do Claims About Certainty Make Estimates Less Certain?
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Teigen, Karl Halvor, primary and Juanchich, Marie, additional
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- 2024
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16. Climate Scientists’ Wide Prediction Intervals May Be More Likely but Are Perceived to Be Less Certain
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Løhre, Erik, Juanchich, Marie, Sirota, Miroslav, Teigen, Karl Halvor, and Shepherd, Theodore G.
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- 2019
17. Do people really prefer verbal probabilities?
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Juanchich, Marie and Sirota, Miroslav
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- 2020
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18. Negations in uncertainty lexicon affect attention, decision-making and trust
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Juanchich, Marie, Shepherd, Theodore G., and Sirota, Miroslav
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- 2020
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19. People overestimate verbal quantities of nutrients on nutrition labels
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Liu, Dawn, Juanchich, Marie, Sirota, Miroslav, and Orbell, Sheina
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- 2019
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20. Adaptive cooperation in the face of social exclusion
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Walasek, Lukasz, Juanchich, Marie, and Sirota, Miroslav
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- 2019
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21. Bridging the Vaccination Gap: Policy Opportunity
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Juanchich, Marie, primary, Sayer, Hazel, additional, Oakley, Claire, additional, Goffe, Louis, additional, Booker, Cara, additional, Bruine de Bruin, Wandi, additional, Meyer, Carly, additional, Chadborn, Tim, additional, Sirota, Miroslav, additional, Vallee-Tourangeau, Gaelle, additional, Holford, Dawn, additional, and Wood, Reed, additional
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- 2022
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22. Evaluating the Influence of Exposure to Anti-vax Protests on Vaccine Hesitancy across Diverse Audiences
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Wood, Reed, primary, Juanchich, Marie, additional, Ramirez, Mark, additional, and Zhang, Shenghao, additional
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- 2022
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23. Evaluating the Pedagogical Effectiveness of Study Preregistration in the Undergraduate Dissertation
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Pownall, Madeleine, primary, Pennington, Charlotte R., additional, Norris, Emma, additional, Juanchich, Marie, additional, Smailes, David, additional, Russell, Sophie, additional, Gooch, Debbie, additional, Evans, Thomas Rhys, additional, Persson, Sofia, additional, Mak, Matthew H. C., additional, Tzavella, Loukia, additional, Monk, Rebecca, additional, Gough, Thomas, additional, Benwell, Christopher S. Y., additional, Elsherif, Mahmoud, additional, Farran, Emily, additional, Gallagher-Mitchell, Thomas, additional, Kendrick, Luke T., additional, Bahnmueller, Julia, additional, Nordmann, Emily, additional, Zaneva, Mirela, additional, Gilligan-Lee, Katie, additional, Bazhydai, Marina, additional, Jones, Andrew, additional, Sedgmond, Jemma, additional, Holzleitner, Iris, additional, Reynolds, James, additional, Moss, Jo, additional, Farrelly, Daniel, additional, Parker, Adam J., additional, and Clark, Kait, additional
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- 2023
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24. Competition and moral behavior:A meta-analysis of forty-five crowd-sourced experimental designs
- Author
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Huber, Christoph, Dreber, Anna, Huber, Jürgen, Johannesson, Magnus, Kirchler, Michael, Weitzel, Utz, Abellán, Miguel, Adayeva, Xeniya, Ay, Fehime Ceren, Barron, Kai, Berry, Zachariah, Bönte, Werner, Brütt, Katharina, Bulutay, Muhammed, Campos-Mercade, Pol, Cardella, Eric, Claassen, Maria Almudena, Cornelissen, Gert, Dawson, Ian G. J., Delnoij, Joyce, Demiral, Elif E., Dimant, Eugen, Doerflinger, Johannes Theodor, Dold, Malte, Emery, Cécile, Fiala, Lenka, Fiedler, Susann, Freddi, Eleonora, Fries, Tilman, Gasiorowska, Agata, Glogowsky, Ulrich, M. Gorny, Paul, Gretton, Jeremy David, Grohmann, Antonia, Hafenbrädl, Sebastian, Handgraaf, Michel, Hanoch, Yaniv, Hart, Einav, Hennig, Max, Hudja, Stanton, Hütter, Mandy, Hyndman, Kyle, Ioannidis, Konstantinos, Isler, Ozan, Jeworrek, Sabrina, Jolles, Daniel, Juanchich, Marie, KC, Raghabendra Pratap, Khadjavi, Menusch, Kugler, Tamar, Li, Shuwen, Lucas, Brian, Mak, Vincent, Mechtel, Mario, Merkle, Christoph, Meyers, Ethan Andrew, Mollerstrom, Johanna, Nesterov, Alexander, Neyse, Levent, Nieken, Petra, Nussberger, Anne-Marie, Palumbo, Helena, Peters, Kim, Pirrone, Angelo, Qin, Xiangdong, Rahal, Rima Maria, Rau, Holger, Rincke, Johannes, Ronzani, Piero, Roth, Yefim, Saral, Ali Seyhun, Schmitz, Jan, Schneider, Florian, Schram, Arthur, Schudy, Simeon, Schweitzer, Maurice E., Schwieren, Christiane, Scopelliti, Irene, Sirota, Miroslav, Sonnemans, Joep, Soraperra, Ivan, Spantig, Lisa, Steimanis, Ivo, Steinmetz, Janina, Suetens, Sigrid, Theodoropoulou, Andriana, Urbig, Diemo, Vorlaufer, Tobias, Waibel, Joschka, Woods, Daniel, Yakobi, Ofir, Yilmaz, Onurcan, Zaleskiewicz, Tomasz, Zeisberger, Stefan, Holzmeister, Felix, Finance, Ethics, Governance and Society, Tinbergen Institute, Spatial Economics, Amsterdam Sustainability Institute, School of Business and Economics, Huber, Christoph [0000-0001-5820-571X], Dreber, Anna [0000-0003-3989-9941], Huber, Jürgen [0000-0003-0073-0321], Johannesson, Magnus [0000-0001-8759-6393], Kirchler, Michael [0000-0002-5416-2545], Weitzel, Utz [0000-0003-0493-9333], Abellán, Miguel [0000-0002-0159-8505], Adayeva, Xeniya [0000-0003-3761-8763], Ay, Fehime Ceren [0000-0003-4444-2268], Barron, Kai [0000-0001-7259-4184], Berry, Zachariah [0000-0002-0827-6437], Brütt, Katharina [0000-0002-3003-0652], Claassen, Maria Almudena [0000-0001-7411-7330], Cornelissen, Gert [0000-0002-0300-4942], Dawson, Ian GJ [0000-0003-0555-9682], Delnoij, Joyce [0000-0002-0627-5318], Dimant, Eugen [0000-0002-5228-6966], Doerflinger, Johannes Theodor [0000-0002-0228-7725], Dold, Malte [0000-0002-1626-9878], Emery, Cécile [0000-0002-7272-1144], Fiala, Lenka [0000-0003-0216-7050], Fiedler, Susann [0000-0001-9337-2142], Freddi, Eleonora [0000-0002-1794-5188], Gasiorowska, Agata [0000-0002-3354-1095], Glogowsky, Ulrich [0000-0002-0781-1119], M Gorny, Paul [0000-0003-3737-2695], Gretton, Jeremy David [0000-0002-2417-4035], Hafenbrädl, Sebastian [0000-0002-5148-766X], Handgraaf, Michel [0000-0003-0809-5393], Hanoch, Yaniv [0000-0001-9453-4588], Hart, Einav [0000-0003-0641-2359], Hütter, Mandy [0000-0002-0952-3831], Hyndman, Kyle [0000-0003-3666-8734], Ioannidis, Konstantinos [0000-0003-2858-4688], Isler, Ozan [0000-0002-4638-2230], Jeworrek, Sabrina [0000-0001-7967-9383], Jolles, Daniel [0000-0003-1277-0793], Juanchich, Marie [0000-0003-0241-9529], Kc, Raghabendra Pratap [0000-0001-5627-5570], Khadjavi, Menusch [0000-0002-8152-3369], Kugler, Tamar [0000-0002-7211-9858], Li, Shuwen [0000-0002-8822-4185], Lucas, Brian [0000-0003-3569-3030], Mak, Vincent [0000-0002-4690-0819], Merkle, Christoph [0000-0002-5141-4639], Meyers, Ethan Andrew [0000-0001-6171-6780], Mollerstrom, Johanna [0000-0002-8097-2058], Nesterov, Alexander [0000-0002-9143-2938], Neyse, Levent [0000-0001-6005-579X], Nieken, Petra [0000-0001-6157-6749], Nussberger, Anne-Marie [0000-0002-1805-9399], Palumbo, Helena [0000-0003-1978-3386], Pirrone, Angelo [0000-0001-5984-7853], Qin, Xiangdong [0000-0002-4471-8730], Rahal, Rima Maria [0000-0002-1404-0471], Ronzani, Piero [0000-0002-8211-6028], Roth, Yefim [0000-0003-2732-0496], Saral, Ali Seyhun [0000-0002-5523-5355], Schmitz, Jan [0000-0002-5410-9322], Schneider, Florian [0000-0002-8406-2756], Schram, Arthur [0000-0002-1767-4998], Schudy, Simeon [0000-0002-4409-0576], Schweitzer, Maurice E [0000-0003-4795-4816], Schwieren, Christiane [0000-0002-5266-3725], Scopelliti, Irene [0000-0001-6712-5332], Sirota, Miroslav [0000-0003-2117-9532], Sonnemans, Joep [0000-0001-7545-7409], Soraperra, Ivan [0000-0002-4596-3885], Spantig, Lisa [0000-0003-0776-3863], Steimanis, Ivo [0000-0002-8550-4675], Steinmetz, Janina [0000-0003-3299-4858], Suetens, Sigrid [0000-0001-6168-6059], Theodoropoulou, Andriana [0000-0003-3100-543X], Vorlaufer, Tobias [0000-0002-1586-5715], Yakobi, Ofir [0000-0002-9253-7483], Yilmaz, Onurcan [0000-0002-6094-7162], Zaleskiewicz, Tomasz [0000-0002-4232-6151], Zeisberger, Stefan [0000-0002-8412-622X], Holzmeister, Felix [0000-0001-9606-0427], and Apollo - University of Cambridge Repository
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metascience ,experimental design ,Postdoc Directie - ENR ,BF Psychology ,Economics ,WASS ,moral behavior ,Urban Economics ,H Social Sciences ,ddc:330 ,ddc:500 ,Institute for Management Research ,competition ,generalizability - Abstract
Proceedings of the National Academy of Sciences of the United States of America 120(23), e2215572120 (2023). doi:10.1073/pnas.2215572120, Published by National Acad. of Sciences, Washington, DC
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- 2023
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25. How Should Doctors Frame the Risk of a Vaccine’s Adverse Side Effects? It Depends on How Trustworthy They Are
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Juanchich, Marie, primary, Sirota, Miroslav, additional, and Holford, Dawn Liu, additional
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- 2023
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26. Evaluating the pedagogical effectiveness of study preregistration in the undergraduate dissertation: A Registered Report
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Pownall, Madeleine, primary, Pennington, Charlotte Rebecca, additional, Norris, Emma, additional, Juanchich, Marie, additional, Smailes, David, additional, Russell, P. Sophie, additional, Gooch, Debbie, additional, Evans, Thomas Rhys, additional, Persson, Sofia, additional, Mak, Matthew HC, additional, Tzavella, Loukia, additional, Monk, Rebecca, additional, Gough, Thomas, additional, Benwell, Christopher, additional, Elsherif, Mahmoud Medhat, additional, Farran, Emily Kate, additional, Gallagher-Mitchell, Thomas, additional, Kendrick, Luke Thomas, additional, Bahnmueller, Julia, additional, Nordmann, Emily, additional, Zaneva, Mirela, additional, Gilligan-Lee, Katie Anne, additional, Bazhydai, Marina, additional, Jones, Andrew, additional, Sedgmond, Jemma, additional, Holzleitner, Iris Jasmin, additional, Reynolds, James, additional, Moss, Joanna, additional, Farrelly, Daniel, additional, Parker, Adam James, additional, and Clark, Kait, additional
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- 2023
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27. How Do Speakers Choose Uncertainty Phrases to Express Guilt Probabilities?
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Juanchich, Marie and Villejoubert, Gaelle
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- 2009
28. Self‐serving perception of charitable donation request: An effective cognitive strategy to boost benefits and reduce drawbacks.
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Juanchich, Marie, Whiley, Lilith A., and Sirota, Miroslav
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PROSOCIAL behavior ,GENEROSITY ,EXPERIMENTAL groups ,COGNITION ,COURTESY ,FUNDRAISING - Abstract
The psychological consequences of prosocial behavior depend on people's perceptions of their own volition. Building on this, we hypothesized that people who donate increase their volition and the benefits of donations by judging donation requests as polite (non‐coercive), whereas non‐donors reduce their volition and the drawback of refusing to donate by judging the request as less polite (too coercive). Three weeks after providing baseline politeness judgments about a fundraising request, participants re‐evaluated the same request as potential donors (experimental group) or observers (control group) and reported how they felt (Ntime1 = 605, Ntime2 = 294). Relative to past perceptions, donors judged the request as more polite than control participants. Non‐donors redefined the request as less polite than donors, but not less than control participants. Both donors and non‐donors benefited from redefining the request as more polite. We discuss how altering one's perception of a request is a multi‐purpose self‐serving cognition. [ABSTRACT FROM AUTHOR]
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- 2024
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29. Verbal Uncertainty
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Juanchich, Marie, primary, Sirota, Miroslav, additional, and Bonnefon, Jean-François, additional
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- 2019
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30. Effect of response format on cognitive reflection: Validating a two- and four-option multiple choice question version of the Cognitive Reflection Test
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Sirota, Miroslav and Juanchich, Marie
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- 2018
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31. Competition and moral behavior: A meta-analysis of forty-five crowd-sourced experimental designs
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Huber, Christoph, primary, Dreber, Anna, additional, Huber, Jürgen, additional, Johannesson, Magnus, additional, Kirchler, Michael, additional, Weitzel, Utz, additional, Abellán, Miguel, additional, Adayeva, Xeniya, additional, Ay, Fehime Ceren, additional, Barron, Kai, additional, Berry, Zachariah, additional, Bönte, Werner, additional, Brütt, Katharina, additional, Bulutay, Muhammed, additional, Campos-Mercade, Pol, additional, Cardella, Eric, additional, Claassen, Maria Almudena, additional, Cornelissen, Gert, additional, Dawson, Ian G. J., additional, Delnoij, Joyce, additional, Demiral, Elif E., additional, Dimant, Eugen, additional, Doerflinger, Johannes Theodor, additional, Dold, Malte, additional, Emery, Cécile, additional, Fiala, Lenka, additional, Fiedler, Susann, additional, Freddi, Eleonora, additional, Fries, Tilman, additional, Gasiorowska, Agata, additional, Glogowsky, Ulrich, additional, M. Gorny, Paul, additional, Gretton, Jeremy David, additional, Grohmann, Antonia, additional, Hafenbrädl, Sebastian, additional, Handgraaf, Michel, additional, Hanoch, Yaniv, additional, Hart, Einav, additional, Hennig, Max, additional, Hudja, Stanton, additional, Hütter, Mandy, additional, Hyndman, Kyle, additional, Ioannidis, Konstantinos, additional, Isler, Ozan, additional, Jeworrek, Sabrina, additional, Jolles, Daniel, additional, Juanchich, Marie, additional, KC, Raghabendra Pratap, additional, Khadjavi, Menusch, additional, Kugler, Tamar, additional, Li, Shuwen, additional, Lucas, Brian, additional, Mak, Vincent, additional, Mechtel, Mario, additional, Merkle, Christoph, additional, Meyers, Ethan Andrew, additional, Mollerstrom, Johanna, additional, Nesterov, Alexander, additional, Neyse, Levent, additional, Nieken, Petra, additional, Nussberger, Anne-Marie, additional, Palumbo, Helena, additional, Peters, Kim, additional, Pirrone, Angelo, additional, Qin, Xiangdong, additional, Rahal, Rima Maria, additional, Rau, Holger, additional, Rincke, Johannes, additional, Ronzani, Piero, additional, Roth, Yefim, additional, Saral, Ali Seyhun, additional, Schmitz, Jan, additional, Schneider, Florian, additional, Schram, Arthur, additional, Schudy, Simeon, additional, Schweitzer, Maurice E., additional, Schwieren, Christiane, additional, Scopelliti, Irene, additional, Sirota, Miroslav, additional, Sonnemans, Joep, additional, Soraperra, Ivan, additional, Spantig, Lisa, additional, Steimanis, Ivo, additional, Steinmetz, Janina, additional, Suetens, Sigrid, additional, Theodoropoulou, Andriana, additional, Urbig, Diemo, additional, Vorlaufer, Tobias, additional, Waibel, Joschka, additional, Woods, Daniel, additional, Yakobi, Ofir, additional, Yilmaz, Onurcan, additional, Zaleskiewicz, Tomasz, additional, Zeisberger, Stefan, additional, and Holzmeister, Felix, additional
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- 2023
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32. Competition and moral behavior: A meta-analysis of forty-five crowd-sourced experimental designs
- Author
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Huber, Celine, Dreber, A., Huber, J.W., Johannesson, M., Kirchler, M., Weitzel, G.U., Abellán, Miguel, Adayeva, Xeniya, Ay, Ferhat, Barron, K., Berry, Zachariah, Bönte, Werner, Brütt, Katharina, Bulutay, Muhammed, Campos-Mercade, Pol, Cardella, Eric, Claassen, M., Cornelissen, G., Dawson, I., Delnoij, Joyce, Demiral, E., Dimant, Eugen, Doerflinger, J.T., Dold, M., Emery, Cécile, Fiala, Lenka, Fiedler, Susann, Freddi, Eleonora, Fries, Tilman, Gasiorowska, Agata, Glogowsky, Ulrich, M. Gorny, Paul, Gretton, J.D., Grohmann, Antonia, Hafenbrädl, Sebastian, Handgraaf, Michel, Hanoch, Yaniv, Hart, E., Hennig, Max, Hudja, Stanton, Hütter, M., Hyndman, Kyle, Ioannidis, K., Isler, Ozan, Jeworrek, Sabrina, Jolles, D., Juanchich, Marie, KC, R.P., Khadjavi, Menusch, Kugler, Tamar, Li, Shuwen, Lucas, Beth, Mak, Vincent, Mechtel, Mario, Merkle, Christoph, Meyers, E., Mollerstrom, Johanna, Nesterov, Alexander, Neyse, Levent, Nieken, Petra, Nussberger, Anne-Marie, Palumbo, Helena, Peters, Kristian, Pirrone, A., Qin, X., Rahal, R.M., Rau, H., Rincke, Johannes, Ronzani, Piero, Roth, Yefim, Saral, A.S., Schmitz, J.M., Schneider, F.M., Schram, A., Schudy, Simeon, Schweitzer, M.E., Schwieren, Christiane, Scopelliti, Irene, Sirota, Miroslav, Sonnemans, J., Soraperra, Ivan, Spantig, Lisa, Steimanis, Ivo, Steinmetz, J., Suetens, Sigrid, Theodoropoulou, Andriana, Urbig, Diemo, Vorlaufer, Tobias, Waibel, Joschka, Woods, D.B., Yakobi, Ofir, Yilmaz, O., Zaleskiewicz, Tomasz, Zeisberger, S.M., Holzmeister, F., Huber, Celine, Dreber, A., Huber, J.W., Johannesson, M., Kirchler, M., Weitzel, G.U., Abellán, Miguel, Adayeva, Xeniya, Ay, Ferhat, Barron, K., Berry, Zachariah, Bönte, Werner, Brütt, Katharina, Bulutay, Muhammed, Campos-Mercade, Pol, Cardella, Eric, Claassen, M., Cornelissen, G., Dawson, I., Delnoij, Joyce, Demiral, E., Dimant, Eugen, Doerflinger, J.T., Dold, M., Emery, Cécile, Fiala, Lenka, Fiedler, Susann, Freddi, Eleonora, Fries, Tilman, Gasiorowska, Agata, Glogowsky, Ulrich, M. Gorny, Paul, Gretton, J.D., Grohmann, Antonia, Hafenbrädl, Sebastian, Handgraaf, Michel, Hanoch, Yaniv, Hart, E., Hennig, Max, Hudja, Stanton, Hütter, M., Hyndman, Kyle, Ioannidis, K., Isler, Ozan, Jeworrek, Sabrina, Jolles, D., Juanchich, Marie, KC, R.P., Khadjavi, Menusch, Kugler, Tamar, Li, Shuwen, Lucas, Beth, Mak, Vincent, Mechtel, Mario, Merkle, Christoph, Meyers, E., Mollerstrom, Johanna, Nesterov, Alexander, Neyse, Levent, Nieken, Petra, Nussberger, Anne-Marie, Palumbo, Helena, Peters, Kristian, Pirrone, A., Qin, X., Rahal, R.M., Rau, H., Rincke, Johannes, Ronzani, Piero, Roth, Yefim, Saral, A.S., Schmitz, J.M., Schneider, F.M., Schram, A., Schudy, Simeon, Schweitzer, M.E., Schwieren, Christiane, Scopelliti, Irene, Sirota, Miroslav, Sonnemans, J., Soraperra, Ivan, Spantig, Lisa, Steimanis, Ivo, Steinmetz, J., Suetens, Sigrid, Theodoropoulou, Andriana, Urbig, Diemo, Vorlaufer, Tobias, Waibel, Joschka, Woods, D.B., Yakobi, Ofir, Yilmaz, O., Zaleskiewicz, Tomasz, Zeisberger, S.M., and Holzmeister, F.
- Abstract
Contains fulltext : 293094.pdf (Publisher’s version ) (Open Access), Does competition affect moral behavior? This fundamental question has been debated among leading scholars for centuries, and more recently, it has been tested in experimental studies yielding a body of rather inconclusive empirical evidence. A potential source of ambivalent empirical results on the same hypothesis is design heterogeneity?variation in true effect sizes across various reasonable experimental research protocols. To provide further evidence on whether competition affects moral behavior and to examine whether the generalizability of a single experimental study is jeopardized by design heterogeneity, we invited independent research teams to contribute experimental designs to a crowd-sourced project. In a large-scale online data collection, 18,123 experimental participants were randomly allocated to 45 randomly selected experimental designs out of 95 submitted designs. We find a small adverse effect of competition on moral behavior in a meta-analysis of the pooled data. The crowd-sourced design of our study allows for a clean identification and estimation of the variation in effect sizes above and beyond what could be expected due to sampling variance. We find substantial design heterogeneity?estimated to be about 1.6 times as large as the average standard error of effect size estimates of the 45 research designs?indicating that the informativeness and generalizability of results based on a single experimental design are limited. Drawing strong conclusions about the underlying hypotheses in the presence of substantive design heterogeneity requires moving toward much larger data collections on various experimental designs testing the same hypothesis.
- Published
- 2023
33. Evaluating the Pedagogical Effectiveness of Study Preregistration in the Undergraduate Dissertation
- Author
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Pownall, Madeleine, Pennington, Charlotte R., Norris, Emma, Juanchich, Marie, Smailes, David, Russell, Sophie, Gooch, Debbie, Evans, Thomas Rhys, Persson, Sofia, Mak, Matthew H. C., Tzavella, Loukia, Monk, Rebecca, Gough, Thomas, Benwell, Christopher S. Y., Elsherif, Mahmoud, Farran, Emily, Gallagher-Mitchell, Thomas, Kendrick, Luke T., Bahnmueller, Julia, Nordmann, Emily, Zaneva, Mirela, Gilligan-Lee, Katie, Bazhydai, Marina, Jones, Andrew, Sedgmond, Jemma, Holzleitner, Iris, Reynolds, James, Moss, Jo, Farrelly, Daniel, Parker, Adam J., Clark, Kait, Pownall, Madeleine, Pennington, Charlotte R., Norris, Emma, Juanchich, Marie, Smailes, David, Russell, Sophie, Gooch, Debbie, Evans, Thomas Rhys, Persson, Sofia, Mak, Matthew H. C., Tzavella, Loukia, Monk, Rebecca, Gough, Thomas, Benwell, Christopher S. Y., Elsherif, Mahmoud, Farran, Emily, Gallagher-Mitchell, Thomas, Kendrick, Luke T., Bahnmueller, Julia, Nordmann, Emily, Zaneva, Mirela, Gilligan-Lee, Katie, Bazhydai, Marina, Jones, Andrew, Sedgmond, Jemma, Holzleitner, Iris, Reynolds, James, Moss, Jo, Farrelly, Daniel, Parker, Adam J., and Clark, Kait
- Abstract
Research shows that questionable research practices (QRPs) are present in undergraduate final-year dissertation projects. One entry-level Open Science practice proposed to mitigate QRPs is “study preregistration,” through which researchers outline their research questions, design, method, and analysis plans before data collection and/or analysis. In this study, we aimed to empirically test the effectiveness of preregistration as a pedagogic tool in undergraduate dissertations using a quasi-experimental design. A total of 89 UK psychology students were recruited, including students who preregistered their empirical quantitative dissertation (n = 52; experimental group) and students who did not (n = 37; control group). Attitudes toward statistics, acceptance of QRPs, and perceived understanding of Open Science were measured both before and after dissertation completion. Exploratory measures included capability, opportunity, and motivation to engage with preregistration, measured at Time 1 only. This study was conducted as a Registered Report; Stage 1 protocol: https://osf.io/9hjbw (date of in-principle acceptance: September 21, 2021). Study preregistration did not significantly affect attitudes toward statistics or acceptance of QRPs. However, students who preregistered reported greater perceived understanding of Open Science concepts from Time 1 to Time 2 compared with students who did not preregister. Exploratory analyses indicated that students who preregistered reported significantly greater capability, opportunity, and motivation to preregister. Qualitative responses revealed that preregistration was perceived to improve clarity and organization of the dissertation, prevent QRPs, and promote rigor. Disadvantages and barriers included time, perceived rigidity, and need for training. These results contribute to discussions surrounding embedding Open Science principles into research training.
- Published
- 2023
34. Competition and moral behavior : A meta-analysis of forty-five crowd-sourced experimental designs
- Author
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Huber, Christoph, Dreber, Anna, Huber, Jürgen, Johannesson, Magnus, Kirchler, Michael, Weitzel, Utz, Abellán, Miguel, Adayeva, Xeniya, Ay, Fehime Ceren, Barron, Kai, Berry, Zachariah, Bönte, Werner, Brütt, Katharina, Bulutay, Muhammed, Campos-Mercade, Pol, Cardella, Eric, Claassen, Maria Almudena, Cornelissen, Gert, Dawson, Ian G.J., Delnoij, Joyce, Demiral, Elif E., Dimant, Eugen, Doerflinger, Johannes Theodor, Dold, Malte, Emery, Cécile, Fiala, Lenka, Fiedler, Susann, Freddi, Eleonora, Fries, Tilman, Gasiorowska, Agata, Glogowsky, Ulrich, Gorny, Paul M., Gretton, Jeremy David, Grohmann, Antonia, Hafenbrädl, Sebastian, Handgraaf, Michel, Hanoch, Yaniv, Hart, Einav, Hennig, Max, Hudja, Stanton, Hütter, Mandy, Hyndman, Kyle, Ioannidis, Konstantinos, Isler, Ozan, Jeworrek, Sabrina, Jolles, Daniel, Juanchich, Marie, Pratap KC, Raghabendra, Khadjavi, Menusch, Kugler, Tamar, Li, Shuwen, Lucas, Brian, Mak, Vincent, Mechtel, Mario, Merkle, Christoph, Meyers, Ethan Andrew, Mollerstrom, Johanna, Nesterov, Alexander, Neyse, Levent, Nieken, Petra, Nussberger, Anne Marie, Palumbo, Helena, Peters, Kim, Pirrone, Angelo, Qin, Xiangdong, Rahal, Rima Maria, Rau, Holger, Rincke, Johannes, Ronzani, Piero, Roth, Yefim, Saral, Ali Seyhun, Schmitz, Jan, Schneider, Florian, Schram, Arthur, Schudy, Simeon, Schweitzer, Maurice E., Schwieren, Christiane, Scopelliti, Irene, Sirota, Miroslav, Sonnemans, Joep, Soraperra, Ivan, Spantig, Lisa, Steimanis, Ivo, Steinmetz, Janina, Suetens, Sigrid, Theodoropoulou, Andriana, Urbig, Diemo, Vorlaufer, Tobias, Waibel, Joschka, Woods, Daniel, Yakobi, Ofir, Yilmaz, Onurcan, Zaleskiewicz, Tomasz, Zeisberger, Stefan, Holzmeister, Felix, Huber, Christoph, Dreber, Anna, Huber, Jürgen, Johannesson, Magnus, Kirchler, Michael, Weitzel, Utz, Abellán, Miguel, Adayeva, Xeniya, Ay, Fehime Ceren, Barron, Kai, Berry, Zachariah, Bönte, Werner, Brütt, Katharina, Bulutay, Muhammed, Campos-Mercade, Pol, Cardella, Eric, Claassen, Maria Almudena, Cornelissen, Gert, Dawson, Ian G.J., Delnoij, Joyce, Demiral, Elif E., Dimant, Eugen, Doerflinger, Johannes Theodor, Dold, Malte, Emery, Cécile, Fiala, Lenka, Fiedler, Susann, Freddi, Eleonora, Fries, Tilman, Gasiorowska, Agata, Glogowsky, Ulrich, Gorny, Paul M., Gretton, Jeremy David, Grohmann, Antonia, Hafenbrädl, Sebastian, Handgraaf, Michel, Hanoch, Yaniv, Hart, Einav, Hennig, Max, Hudja, Stanton, Hütter, Mandy, Hyndman, Kyle, Ioannidis, Konstantinos, Isler, Ozan, Jeworrek, Sabrina, Jolles, Daniel, Juanchich, Marie, Pratap KC, Raghabendra, Khadjavi, Menusch, Kugler, Tamar, Li, Shuwen, Lucas, Brian, Mak, Vincent, Mechtel, Mario, Merkle, Christoph, Meyers, Ethan Andrew, Mollerstrom, Johanna, Nesterov, Alexander, Neyse, Levent, Nieken, Petra, Nussberger, Anne Marie, Palumbo, Helena, Peters, Kim, Pirrone, Angelo, Qin, Xiangdong, Rahal, Rima Maria, Rau, Holger, Rincke, Johannes, Ronzani, Piero, Roth, Yefim, Saral, Ali Seyhun, Schmitz, Jan, Schneider, Florian, Schram, Arthur, Schudy, Simeon, Schweitzer, Maurice E., Schwieren, Christiane, Scopelliti, Irene, Sirota, Miroslav, Sonnemans, Joep, Soraperra, Ivan, Spantig, Lisa, Steimanis, Ivo, Steinmetz, Janina, Suetens, Sigrid, Theodoropoulou, Andriana, Urbig, Diemo, Vorlaufer, Tobias, Waibel, Joschka, Woods, Daniel, Yakobi, Ofir, Yilmaz, Onurcan, Zaleskiewicz, Tomasz, Zeisberger, Stefan, and Holzmeister, Felix
- Abstract
Does competition affect moral behavior? This fundamental question has been debated among leading scholars for centuries, and more recently, it has been tested in experimental studies yielding a body of rather inconclusive empirical evidence. A potential source of ambivalent empirical results on the same hypothesis is design heterogeneity-variation in true effect sizes across various reasonable experimental research protocols. To provide further evidence on whether competition affects moral behavior and to examine whether the generalizability of a single experimental study is jeopardized by design heterogeneity, we invited independent research teams to contribute experimental designs to a crowd-sourced project. In a large-scale online data collection, 18,123 experimental participants were randomly allocated to 45 randomly selected experimental designs out of 95 submitted designs. We find a small adverse effect of competition on moral behavior in a meta-analysis of the pooled data. The crowd-sourced design of our study allows for a clean identification and estimation of the variation in effect sizes above and beyond what could be expected due to sampling variance. We find substantial design heterogeneity-estimated to be about 1.6 times as large as the average standard error of effect size estimates of the 45 research designs-indicating that the informativeness and generalizability of results based on a single experimental design are limited. Drawing strong conclusions about the underlying hypotheses in the presence of substantive design heterogeneity requires moving toward much larger data collections on various experimental designs testing the same hypothesis.
- Published
- 2023
35. People prefer to predict middle, most likely quantitative outcomes (not extreme ones), but they still over-estimate their likelihood.
- Author
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Juanchich, Marie, Sirota, Miroslav, and Halvor Teigen, Karl
- Subjects
- *
DISTRIBUTION (Probability theory) - Abstract
Past work showed a tendency to associate verbal probabilities (e.g., possible, unlikely) with extreme quantitative outcomes, and to over-estimate the outcomes' probability of occurrence. In the first four experiments (Experiment 1, Experiments 2a–c), we tested whether this "extremity effect" reflects a general preference for extreme (vs central or less extreme) values of a distribution. Participants made predictions based on a frequency distribution in two scenarios. We did not find a preference for extreme outcomes. Instead, most of the participants made a prediction about the middle, most frequent outcome of the distribution (i.e., the modal outcome), but still over-estimated the outcomes' probabilities. In Experiment 3, we tested whether the over-estimation could be better explained by an "at least"/"at most" reading of the predictions. We found that only a minority of participants interpreted predictions as the lower/upper bounds of an open interval and that these interpretations were not associated with heightened probability estimates. In the final three experiments (Experiments 4a–c), we tested whether participants perceived extreme outcome predictions as more correct, useful and interesting than modal outcome predictions. We found that extreme and modal predictions were considered equally correct, but modal predictions were judged most useful, whereas extreme predictions were judged to be more interesting. Overall, our results indicate that the preference for extreme outcomes is limited to specific verbal probability expressions, whereas the over-estimation of the probability of quantitative outcomes may be more general than anticipated and applies to non-extreme values as well. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
36. Rationally irrational: When people do not correct their reasoning errors even if they could.
- Author
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Sirota, Miroslav, primary, Juanchich, Marie, additional, and Holford, Dawn L., additional
- Published
- 2023
- Full Text
- View/download PDF
37. Rationally irrational: When people do not correct their reasoning errors even if they could
- Author
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Sirota, Miroslav, Juanchich, Marie, and Holford, Dawn
- Subjects
Developmental Neuroscience ,Experimental and Cognitive Psychology ,General Psychology - Abstract
Why is it that sometimes people do not correct their reasoning errors? The dominating dual-process theories of reasoning detail how people (fail to) detect their reasoning errors but underspecify how people decide to correct these errors once they are detected. We have unpacked the motivational aspects of the correction process here, leveraging the research on cognitive control. Specifically, we argue that when people detect an error, they decide whether or not to correct it based on the overall expected value associated with the correction—combining perceived efficacy and the reward associated with the correction while considering the cost of effort. Using a modified two-response paradigm, participants solved cognitive reflection problems twice while we manipulated the factors defining the expected value associated with correction at the second stage. In five experiments (N = 5,908), we found that answer feedback and reward increased the probability of correction while cost decreased it, relative to the control groups. These cognitive control critical factors affected the decisions to correct reasoning errors (Experiments 2 and 3) and the corrective reasoning itself (Experiments 1, 4 and 5) across a range of problems, feedbacks, types of errors (reflective or intuitive), and cost and reward manipulations pre-tested and checked in five separate studies (N = 951). Thus, some people did not correct their epistemically irrational reasoning errors because they followed the instrumentally rational principle of the expected value maximisation: they were rationally irrational.
- Published
- 2023
- Full Text
- View/download PDF
38. sj-docx-1-qjp-10.1177_17470218231153394 – Supplemental material for People prefer to predict middle, most likely quantitative outcomes (not extreme ones), but they still over-estimate their likelihood
- Author
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Juanchich, Marie, Sirota, Miroslav, and Halvor Teigen, Karl
- Subjects
FOS: Psychology ,170199 Psychology not elsewhere classified - Abstract
Supplemental material, sj-docx-1-qjp-10.1177_17470218231153394 for People prefer to predict middle, most likely quantitative outcomes (not extreme ones), but they still over-estimate their likelihood by Marie Juanchich, Miroslav Sirota and Karl Halvor Teigen in Quarterly Journal of Experimental Psychology
- Published
- 2023
- Full Text
- View/download PDF
39. People prefer to predict average and most likely outcomes, but they still over-estimate their likelihood
- Author
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Juanchich, Marie, Sirota, Miroslav, and Teigen, Karl Halvor
- Abstract
Past work showed a tendency to associate verbal probabilities (e.g., possible, unlikely) with extreme quantitative outcomes, and to over-estimate the outcomes’ probability of occurrence. In the first four experiments (Experiment 1, Experiments 2a–c), we tested whether this “extremity effect” reflects a general preference for extreme (vs central or less extreme) values of a distribution. Participants made predictions based on a frequency distribution in two scenarios. We did not find a preference for extreme outcomes. Instead, most of the participants made a prediction about the middle, most frequent outcome of the distribution (i.e., the modal outcome), but still over-estimated the outcomes’ probabilities. In Experiment 3, we tested whether the over-estimation could be better explained by an “at least”/“at most” reading of the predictions. We found that only a minority of participants interpreted predictions as the lower/upper bounds of an open interval and that these interpretations were not associated with heightened probability estimates. In the final three experiments (Experiments 4a–c), we tested whether participants perceived extreme outcome predictions as more correct, useful and interesting than modal outcome predictions. We found that extreme and modal predictions were considered equally correct, but modal predictions were judged most useful, whereas extreme predictions were judged to be more interesting. Overall, our results indicate that the preference for extreme outcomes is limited to specific verbal probability expressions, whereas the over-estimation of the probability of quantitative outcomes may be more general than anticipated and applies to non-extreme values as well.
- Published
- 2023
40. Explaining and reducing the public’s expectations of antibiotics: A utility-based signal detection theory approach.
- Author
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Sirota, Miroslav, primary, Thorpe, Alistair, additional, and Juanchich, Marie, additional
- Published
- 2022
- Full Text
- View/download PDF
41. Too old to be a diversity hire. Choice bundling shown to increase gender-diverse hiring decisions fails to increase age diversity.
- Author
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Jolles, Daniel, primary, Juanchich, Marie, additional, and Piccoli, Beatrice, additional
- Published
- 2022
- Full Text
- View/download PDF
42. Improbable Outcomes: Infrequent or Extraordinary?
- Author
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Teigen, Karl Halvor, Juanchich, Marie, and Riege, Anine H.
- Abstract
Research on verbal probabilities has shown that "unlikely" or "improbable" events are believed to correspond to numerical probability values between 10% and 30%. However, building on a pragmatic approach of verbal probabilities and a new methodology, the present paper shows that unlikely outcomes are most often associated with outcomes that have a 0% frequency of occurrence. Five studies provide evidence that when people complete or evaluate statements describing "improbable" outcomes, based on outcome distributions or expected ranges, they favor extraordinary outcomes that have not occurred in the original sample. For quantitative outcomes that can be ordered on a unipolar dimension, an improbable outcome is typically perceived as having a "higher" outcome value than those observed. Thus when battery life for a sample of laptop batteries is shown to range from 2.5 to 4.5 h, 5 or 6 h are considered better examples of "improbable" duration times than those that actually occur in 10% of the cases. Similarly, an "improbable" exam grade is one that has not yet been observed, rather than one that has been obtained by a small percentage of students. And when climate experts claim that a 100 cm increase in sea level by the year 2100 is "improbable", participants believe that the same experts' maximum estimates will be much lower. We conclude that judgments of what is improbable suggest outcomes beyond the expected range, rather than simply low frequency outcomes. These results are compatible with a causal (propensity) interpretation rather than a statistical (frequency) interpretation of probabilities. (Contains 2 tables and 3 figures.)
- Published
- 2013
- Full Text
- View/download PDF
43. Trust and antibiotic expectations
- Author
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Thorpe, Alistair, Sirota, Miroslav, Orbell, Sheina, and Juanchich, Marie
- Subjects
physician-patient relationship ,antibiotic resistance ,Antibiotic expectations ,nonclinical factors ,trust - Abstract
Objectives. To reduce overprescribing, health campaigns urge physicians to provide people with information regarding appropriate antibiotic use and encourage the public to trust their physicians’ prescribing decisions. We test i) whether providing individuals with information about the viral aetiology of an illness and the ineffectiveness of antibiotics will reduce inappropriate antibiotic expectations, ii) whether individuals with greater trust in their physician will have lower expectations, and iii) whether individuals with greater trust in their physician will benefit more from the complete information provision and have lower expectations. Design. Experiment 1 features a between-subjects design (information provision: baseline vs. complete information) with a general measure of participants trust in their physician. Experiment 2 features a 2 (physician trustworthiness: low vs. high) × 2 (information provision: baseline vs. complete information) between-subjects design. Methods. In Experiment 1, participants (n = 366) reported their trust in their physician, read a vignette describing a hypothetical consultation with a physician for a viral cold then expressed their expectations for antibiotics. In Experiment 2, participants (n = 380) read a vignette of a consultation with a physician for a viral ear infection then expressed their expectations for antibiotics. Results. In both experiments, the provision of complete information significantly reduced inappropriate expectations for antibiotics. Greater trust in physicians was associated with higher antibiotic expectations in Experiment1, but lower expectations in Experiment 2. In both experiments trust in physicians appeared to facilitate the effect of information provision, but this effect was weak and inconsistent. Conclusion. Providing information about viral aetiology and the ineffectiveness and side effects of antibiotics reduces inappropriate antibiotic expectations. Further research into the effect of trust in physicians as a moderator of the effect information provision is required, particularly given the recent increase in trust-based antibiotic campaigns.
- Published
- 2022
- Full Text
- View/download PDF
44. Biases and antibiotic decisions
- Author
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Thorpe, Alistair, Sirota, Miroslav, Juanchich, Marie, and Orbell, Sheina
- Published
- 2022
- Full Text
- View/download PDF
45. Ratio format shapes health decisions: The pratical significance of the '1-in-X' effect
- Author
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Sirota, Miroslav and Juanchich, Marie
- Abstract
Prior research found that “1-in-X” ratios led to higher and less accurate subjective probability than “N-in-X*N” ratios or other formats even though they featured the same mathematical information. It is unclear, however, whether the effect transfers into health decisions and the practical significance of the effect is undetermined. Based on previous findings and risk communication theories, we hypothesised that the “1-in-X” effect would occur and transfer into relevant decisions. We also tested whether age, gender and education differences would moderate the “1-in-X” effect on decision-making. We conducted three well-powered experiments (n = 1912) using a sample from the general adult UK population to test our hypotheses, estimated the effect and excluded a possible methodological explanation for such a transfer. In hypothetical scenarios, participants decided whether to travel to Kenya given the chance of contracting malaria (Experiment 1) and whether to take recommended steroids given the side effects (Experiments 2 and 3). Across the experiments, we replicated a small-to-medium “1-in-X” effect on the perceived probability, Hedge’s g = -0.36, 95% CI [-0.47, -0.24], z = -6.18, p < .001 and found a small effect on subsequent decisions, OR = 1.32, 95% CI [1.10, 1.59], z = 2.99, p = .003. The perceived probability fully mediated the effect of the ratio format on decision. Age, gender and education did not moderate the “1-in-X” effect on decision. We argue that a high prevalence of “1-in-X” ratios in medical communication makes these small changes clinically relevant. Therefore, to communicate information accurately, “1-in-X” ratios should not be used or at least used cautiously in medical communication.
- Published
- 2022
- Full Text
- View/download PDF
46. Explaining and reducing the public’s expectations of antibiotics: A utility-based signal detection theory approach
- Author
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Sirota, Miroslav, Thorpe, Alistair, and Juanchich, Marie
- Subjects
Clinical Psychology ,antibiotic resistance ,antibiotics expectations ,antibiotic stewardship ,Experimental and Cognitive Psychology ,antibiotics cognition ,antimicrobial resistance ,Applied Psychology ,signal detection theory - Abstract
To tackle antibiotic resistance, an unfolding global public health threat, we need to better understand why people expect antibiotics for self-limiting infections because this drives unnecessary use of antibiotics. Here, we leveraged a utility-based signal detection theory approach to explain how people form these expectations by considering their diagnostic uncertainty (e.g., “Is this a bacterial infection?”) and the expected utility they associate with their decisions (e.g., “What are the costs of taking antibiotics?”). To test the explanation, we devised two types of interventions—focusing on reducing diagnostic uncertainty and increasing the saliency of costs of overuse (to self and others)—to lessen inappropriate expectations of antibiotics. In two pre-registered experiments (N = 1,773; the general adult population in the UK), both types of interventions decreased expectations and intentions to request antibiotics compared with a baseline group. We discuss how the theory can inform public health campaigns and stimulate further research.
- Published
- 2022
- Full Text
- View/download PDF
47. Framing and Directionality
- Author
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Holford, Dawn, Juanchich, Marie, and Sirota, Miroslav
- Published
- 2022
- Full Text
- View/download PDF
48. Explaining the gender gap in cognitive reflection
- Author
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Juanchich, Marie, Sirota, Miroslav, and Bonnefon, Jean-François
- Abstract
Materials, data and code to replicate the analyses
- Published
- 2022
- Full Text
- View/download PDF
49. An Investigation of the Influence of Protests and Social Media Messaging on Observer Attitudes toward COVID-19 Vaccination
- Author
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Wood, Reed, Juanchich, Marie, and Ramirez, Mark
- Subjects
FOS: Psychology ,Sociology ,Political Science ,FOS: Political science ,Psychology ,Social and Behavioral Sciences ,FOS: Sociology - Abstract
Recent studies have examined the effects of vaccine misinformation, which is often spread through social media, on vaccine hesitancy. However, little attention has been devoted to the manner in which public demonstrations conducted by anti-vax movement organizations influence public attitudes toward vaccines. Given the recent increase in such events, this oversight represents a critical blind spot in efforts to understand COVID-19 vaccine hesitancy and skepticism. Through this study we therefore investigate whether exposure to protest actions undertaken by organizations affiliated with anti-vaccination movements in the US and UK influence observers’ attitudes about COVID-19 vaccines, particularly their beliefs regarding the potential risk vaccines pose to pregnant women and children.
- Published
- 2022
- Full Text
- View/download PDF
50. Debunking or Condemning? Examining the Effectiveness of Government and Healthcare Authority Responses to COVID-19 Misinformation
- Author
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Wood, Reed, Juanchich, Marie, and Ramirez, Mark
- Subjects
Sociology ,Political Science ,FOS: Political science ,Social and Behavioral Sciences ,FOS: Sociology - Abstract
Recent studies have examined the effects of vaccine misinformation, which is often spread through social media, on vaccine hesitancy. Fewer studies have sought to identify the best strategies through which public health and political authorities can counter such messaging. Through this study we therefore seek to understand how different response strategies (debunking vs. condemnation) to anti-vax messaging, as well as the source of those responses (healthcare workers vs. politicians) influence public attitudes toward vaccines. We examine these relationships using a survey experiment deployed to more than 5000 respondents in the US and UK. Using a set of experimental vignettes intended to mimic news stories about an anti-vax protest, we examine how the source and response depicted in the story influence respondent beliefs regarding the likelihood that COVID-19 vaccines causes harm to specific groups and causes specific serious side-effects. We also take the opportunity to examine whether responses and source influence respondent attitudes about the protest group itself.
- Published
- 2022
- Full Text
- View/download PDF
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