Diederik Stapel: Difference between revisions
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The first journal article retraction occurred a month after Tilburg University announced that it had found evidence of fraud in Stapel's work. In December 2011, the journal ''[[Science (journal)|Science]]'' posted a retraction notice for Stapel's co-authored paper entitled "Coping with chaos: How disordered contexts promote stereotyping and discrimination".<ref name="R watch 2011">{{citation |last=Marcus|first= Adam |title= ''Science'' drops other shoe in Stapel case, retracts recent paper on chaos |work=Retraction Watch |date=1 December 2011 |access-date=17 January 2012 |publisher=The Center for Scientific Integrity | url=https://retractionwatch.com/2011/12/01/science-drops-other-shoe-in-stapel-case-retracts-recent-paper-on-chaos/}} |
The first journal article retraction occurred a month after Tilburg University announced that it had found evidence of fraud in Stapel's work. In December 2011, the journal ''[[Science (journal)|Science]]'' posted a retraction notice for Stapel's co-authored paper entitled "Coping with chaos: How disordered contexts promote stereotyping and discrimination".<ref name="R watch 2011">{{citation |last=Marcus|first= Adam |title= ''Science'' drops other shoe in Stapel case, retracts recent paper on chaos |work=Retraction Watch |date=1 December 2011 |access-date=17 January 2012 |publisher=The Center for Scientific Integrity | url=https://retractionwatch.com/2011/12/01/science-drops-other-shoe-in-stapel-case-retracts-recent-paper-on-chaos/}} |
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* The retracted ''Science'' paper: {{cite journal | last1 = Stapel | first1 = Diederik A. | last2 = Lindenberg | first2 = Siegwart | date=8 April 2011 | doi = 10.1126/science.1201068 | title = Coping with Chaos: How Disordered Contexts Promote Stereotyping and Discrimination | journal= [[Science (journal)|Science]] | volume = 332 | issue = 6026 | pages = 251–253 | pmid=21474762| bibcode = 2011Sci...332..251S | s2cid = 206531492 }}</ref> The journal expressed initial concern regarding the paper's validity on 1 November.<ref name="NatureBlog">{{cite news|last=Callaway |first=Ewen |title=Dutch psychology fraudster issues first retraction |work= Nature News Blog |date=1 December 2011|access-date=17 January 2012|url=http://blogs.nature.com/news/2011/12/stapel.html}}</ref><ref>{{cite journal | title = Editorial Expression of Concern | journal = [[Science (journal)|Science]] | first = Bruce | last = Alberts | date = 11 November 2011 | volume = 334 | issue = 6057 | page = 760 | doi = 10.1126/science.1216027 | pmid = 22045832 | bibcode = 2011Sci...334Q.760A | doi-access = | s2cid = 28061110 }}</ref> The retraction statement in ''Science'' says:<ref>{{cite journal | doi = 10.1126/science.334.6060.1202-a | pmid = 22144595 | title = Retraction | date = 2 December 2011 | journal = [[Science (journal)|Science]] |volume = 334 |issue = 6060 |page = 1202 |last1 = Stapel |first1 = D. A. |last2 = Lindenberg | first2 = Siegwart}}</ref> |
* The retracted ''Science'' paper: {{cite journal | last1 = Stapel | first1 = Diederik A. | last2 = Lindenberg | first2 = Siegwart | date=8 April 2011 | doi = 10.1126/science.1201068 | title = Coping with Chaos: How Disordered Contexts Promote Stereotyping and Discrimination | journal= [[Science (journal)|Science]] | volume = 332 | issue = 6026 | pages = 251–253 | pmid=21474762| bibcode = 2011Sci...332..251S | s2cid = 206531492 }}{{Retracted|doi=10.1126/science.334.6060.1202-a|pmid=22144595|http://retractionwatch.com/2011/11/01/science-expresses-concern-about-stapel-paper/ ''Retraction Watch''|http://retractionwatch.com/2011/12/01/science-drops-other-shoe-in-stapel-case-retracts-recent-paper-on-chaos/ ''Retraction Watch''}}</ref> The journal expressed initial concern regarding the paper's validity on 1 November.<ref name="NatureBlog">{{cite news|last=Callaway |first=Ewen |title=Dutch psychology fraudster issues first retraction |work= Nature News Blog |date=1 December 2011|access-date=17 January 2012|url=http://blogs.nature.com/news/2011/12/stapel.html}}</ref><ref>{{cite journal | title = Editorial Expression of Concern | journal = [[Science (journal)|Science]] | first = Bruce | last = Alberts | date = 11 November 2011 | volume = 334 | issue = 6057 | page = 760 | doi = 10.1126/science.1216027 | pmid = 22045832 | bibcode = 2011Sci...334Q.760A | doi-access = | s2cid = 28061110 }}</ref> The retraction statement in ''Science'' says:<ref>{{cite journal | doi = 10.1126/science.334.6060.1202-a | pmid = 22144595 | title = Retraction | date = 2 December 2011 | journal = [[Science (journal)|Science]] |volume = 334 |issue = 6060 |page = 1202 |last1 = Stapel |first1 = D. A. |last2 = Lindenberg | first2 = Siegwart}}</ref> |
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{{bq|Our report "Coping with chaos: How disordered contexts promote stereotyping and discrimination" reported the effects of the physical environment on human stereotyping and discriminatory behavior. On 31 October 2011, the University of Tilburg held a press conference to announce findings of their investigation into possible data fraud on the part of author Stapel. These findings of the university's interim report included fabrication of data in this Science paper. Therefore, we are retracting the paper, with apologies from author Stapel. Coauthor Lindenberg was in no way involved in the generation of the data, and agrees to the retraction of the paper.}} |
{{bq|Our report "Coping with chaos: How disordered contexts promote stereotyping and discrimination" reported the effects of the physical environment on human stereotyping and discriminatory behavior. On 31 October 2011, the University of Tilburg held a press conference to announce findings of their investigation into possible data fraud on the part of author Stapel. These findings of the university's interim report included fabrication of data in this Science paper. Therefore, we are retracting the paper, with apologies from author Stapel. Coauthor Lindenberg was in no way involved in the generation of the data, and agrees to the retraction of the paper.}} |
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Revision as of 02:08, 30 June 2024
Diederik Alexander Stapel (born 19 October 1966) is a Dutch former professor of social psychology at Tilburg University.[1] In 2011 Tilburg University suspended Stapel for fabricating and manipulating data for his research publications. This scientific misconduct took place over a number of years and affected dozens of his publications.[2][3] By 2015, fifty-eight of Stapel's publications had been retracted.[4] He has been described in coverage by the New York Times as "the biggest con man in academic science".[5]
Early life
Stapel was born in the village of Oegstgeest, near Leiden, the youngest of four children. His father worked as a civil engineer.[5][6]
After completing his schooling, Stapel studied drama and media studies at East Stroudsburg University in Pennsylvania before moving back to the Netherlands for an undergraduate degree in psychology.[5] Stapel obtained an MA degree in psychology and communication science from the University of Amsterdam in 1991. From the same university he obtained his PhD cum laude in social psychology in 1997; his dissertation was on assimilation and contrast effects.[1] Before embarking on his doctoral research, in 1991–1992, Stapel returned to the US for study, undertaking a program on behavioral decision making at the University of Chicago's Graduate School of Business.[7]
He married in 1997; Stapel and his wife had first met in high school.
Career
After gaining his doctorate, Stapel continued at UvA as a fellow of the Royal Netherlands Academy of Arts and Sciences (KNAW) for three years.[8] Stapel became a professor at the University of Groningen in 2000[1] and moved to Tilburg University in 2006, where he cofounded TiBER, the Tilburg Institute for Behavioral Economics Research.[1] In September 2010, Stapel became dean of the social and behavioral sciences faculty.[1]
Stapel received the Career Trajectory Award from the Society of Experimental Social Psychology in 2009, which has since been retracted.[9] He voluntarily surrendered his PhD title to the University of Amsterdam in November 2011, noting that his "behavior of the past years are inconsistent with the duties associated with the doctorate". This action was taken into account in the decision of Dutch prosecutors to not pursue criminal actions.[10]
Scientific misconduct
Investigations
In September 2011, Tilburg University suspended Stapel due to his fabrication of data used in research publications. The university announced an investigation of his work.[11][12]
On 31 October 2011, a committee entrusted with investigating "the extent and nature of the breach of scientific integrity committed by Mr D.A. Stapel", formed by the Rector Magnificus of Tilburg University and chaired by Willem ("Pim") Levelt, published an interim report regarding Stapel's activities at the three Dutch universities where he had worked.[13]
Stapel provided the investigating committees with a list of his publications that contained fictitious data, acknowledging that it may not be complete.[13]
An extensive report analyzes all 130 of Stapel's articles and twenty-four book chapters.[14] A website was set up on 27 March 2012 to publish interim findings.[14][15][16] According to the first findings, out of an initial batch of twenty Stapel publications studied by the Levelt committee, twelve journal articles were fabricated and three contributions to books were also fraudulent.[14][17] The Dutch newspaper de Volkskrant reported that the final report was due on 28 November 2012, and that a book by Stapel was to be released around the same time.[18]
"We have some 30 papers in peer-reviewed journals where we are actually sure that they are fake, and there are more to come," Pim Levelt, chair of the committee investigating Stapel's work said in a media statement.[19]
Suspicions raised
The Levelt joint committees' reports acknowledged three unnamed young Tilburg University researchers as the whistleblowers for the case. The whistleblowers had become suspicious when one noticed anomalous data they had received from Stapel. Subsequent discussion with Stapel did not allay their concerns. The three spent several months conducting their own enquiries using data files Stapel had supplied. Once they felt they had sufficient evidence, they approached the head of the Department of Social Psychology, Marcel Zeelenberg. The students' evidence was convincing enough that Zeelenburg brought it directly to the rector magnificus, Philip Eijlander. Official investigations were set in motion within days by Tilburg University, which were soon joined by the UvA and the University of Groningen.[5][20]
The Levelt report also noted two professors who claim they had previously seen examples of Stapel's data that were "too good to be true."[13]
Methods
Stapel controlled the data in his lab: when students asked to see the raw data, they were often given excuses.[21] There were occasions when Stapel's data were given to an assistant to be entered into a computer. This assistant would then return the data file to Stapel. The researcher analyzing the data would then receive the file directly from Stapel.[13]
Curiosity regarding datasets was discouraged by Stapel and, at times, persistent or perceptive questioning would be met with apparent hostility. In one case the Levelt committee reports, a PhD student who was querying unusual data was told by Stapel: "If you want to be taken on here you will have to demonstrate that you can get something finished, so just write up the results." Several PhD students told the investigation that they had been pressured into silence by Stapel's untoward use of his power over them.[22]
As his process for fraudulent research developed, by his Tilburg years his general method was to formulate in full all the elements of a proposed study – an experiment, with its theoretical grounding, the hypotheses, methods, stimuli, questionnaires, and even participants' rewards – and then create the fictitious data which he would then provide to colleagues and students for further analysis. He would pretend to run the experiments with the help of unnamed research assistants. Instead of doing so, he would make up the data. A plausible explanation would be offered for excluding others from data collection. For example, several experiments were to be run in schools; Stapel made it known that he had access to these by special arrangements which would be endangered by involving other researchers. The purported schools preferred to deal with Stapel alone, whom they knew and trusted and would be bothered by having additional, unknown researchers involved.[23] Earlier in his career, going back at least to 2004, rather than faking data, the investigations found he appears to have manipulated data —for example, by simply altering numerals in the recorded outcome measures, so that the calculated means of scores for the contrasted experimental conditions would appear to differ, in support of his tested hypothesis.[24]
Stapel's supply of pre-collected data to his graduate students was noted as being atypical for masters students and PhD candidates, but was presented by Stapel as an advantage to them, which they did perceive as helpful and even a luxury.[25] This process, even apart from the fraudulent data, was inappropriate, with most of the students graduating without ever actually completing an experiment.[13]
Stapel's scientific misconduct went undetected for at least fifteen years. The Levelt report concludes that his academic reputation was, in part, the reason his illicit activities were able to continue for such a length of time. At Tilburg he was considered a leading researcher with a high profile both in academic psychology and in the popular media in the Netherlands. His colleagues and students generally viewed him positively. The report says he had a reputation as being "charismatic, friendly and incredibly talented".[26] Many students became his personal friends.[5]
Findings
On 28 November 2012, the final joint report, from the three investigating committees, was published.[26]
The interim report concluded that Stapel falsified or fabricated data for at least 30 publications.[13] When the final report was released, that number had risen to fifty-five. They were unable to determine whether Stapel fabricated or manipulated data for his 1997 dissertation at the University of Amsterdam (UvA), because the data had been destroyed, in common with data for much of Stapel's earlier work. The university announced that it would investigate whether it would be possible to retract Stapel's PhD because of exceptionally unworthy scientific behavior.[27][28][29]
The interim report stated that Stapel had caused severe damage to young people at the beginning of their careers, as well as to the general confidence in science, in particular social psychology.[13] The University of Tilburg announced that it would pursue criminal prosecution of Stapel.[30]
Despite being critical of an overarching shortfall in collective academic responsibility, the investigating committees emphasized that Stapel acted alone in all cases of known misconduct. The report found no indication that any coauthors, PhD students, or others were aware of the fradulent conduct. The reports did suggest that the data were in some instances so unusual that suspicion may have been reasonable.[31] The interim report names 19 theses prepared with data delivered by Stapel. Of those, seven have been cleared. There are various degrees of suspicion about the remaining twelve. The report advised that the degrees of the students involved should not be retracted.[32]
Prosecution settlement
In June 2013 Stapel agreed, in a settlement with the prosecutor, to perform 120 hours of community service and to lose the right to some benefits associated with his former job equivalent to a year and a half's worth of salary. In this way, he avoided further criminal prosecution.[33][34]
Reaction
Stapel response
Responding to the interim report, Stapel stated:[35][a]
I have failed as a scientist, as a researcher. I have manipulated research data and faked studies. Not once, but several times, not for a short period, but over a longer period of time. I realize that by this behavior I have left my immediate colleagues bewildered and angry and have put my field of study, social psychology, in a bad light. I'm ashamed of that and I deeply regret it. ... it is important to emphasize that I never informed my colleagues of my inappropriate behavior. I offer my colleagues, my PhD students, and the complete academic community my sincere apologies. I am aware of the suffering and sorrow that I caused to them ...
In his memoirs published in November 2012, Stapel admits his fraud, but protests against the accusation in the interim report that he was a cunning, manipulative fraud with a plan.
In academia
In a review for the Association for Psychological Science's Observer, Stapel's Ontsporing ('Derailment'), a book-length memoir, is described by Dutch psychologists Denny Borsboom and Eric-Jan Wagenmakers as "revealing". In the work, Stapel recounts that his transgressions began when he was sitting alone in his office and changed "an unexpected 2 into a 4". The reviewers suggest the memoir may provide insights into systemic failures within research science, saying that in his account of the affair, "Stapel appears to underscore the conclusions from the Levelt committee" in this regard. On their reading, there are also the personal frailties that contributed to the fraud on show: They call it a "... a captivating book, even as it is transparently self-serving. On a personal level, it is an emotional account of a fraudster's insecurities, fears, and self-hatred."[36] The reviewers describe the final chapter of the book as "unexpectedly beautiful" but consider that many of its lines are "copied" from the works of writers Raymond Carver and James Joyce, without due acknowledgement.[37] Borsboom and Wagenmakers reviewed the Dutch language edition; the English translation of Stapel's Ontsporing by Nicholas J. L. Brown includes a note regarding "Chapter 10 ½":[38]
This last chapter is my own reinterpretation of some of the final lines of Raymond Carver's poem "The Gift" (from the collection Ultramarine, 1986, Random House, New York), into which I have also woven a couple of lines from the ending of James Joyce's story "The Dead" (from The Dubliners, 1990, Bantam Classics, New York). The title of the chapter is a reference to the chapter entitled "Parenthesis" in Julian Barnes's novel The History of the World in 10 ½ Chapters (1989, Jonathan Cape, London).
— Diederik Stapel (2016). Appendix, Faking Science
Withdrawn publications
Retraction overview
By December 2015, Retraction Watch reported that Stapel had 58 retracted publications, including journal articles and book chapters. This total number of retractions still stands as at 2023[update].[4] These are listed in the table below:
| Title | Year of publication | Journal (Book) | DOI and link to the retraction notice |
|---|---|---|---|
| Interpretation versus Reference Framing: Assimilation and Contrast Effects in the Organizational Domain | 1998 | Organizational Behavior and Human Decision Processes | 10.1016/j.obhdp.2015.11.002 |
| Correction or comparison? The effects of prime awareness on social judgments | 2009 | European Journal of Social Psychology | 10.1002/ejsp.2173 |
| The impact of comprehension versus self-enhancement goals on group perception | 2008 | Social Psychology | 10.1027/1864-9335/a000152 |
| Measure by measure: When implicit and explicit social comparison effects differ | 2010 | Self and Identity | 10.1080/15298868.2013.790597 |
| Unfinished business: How completeness affects the impact of emotional states and emotion concepts on social judgement | 2006 | Journal of Experimental Social Psychology | 10.1016/j.jesp.2013.03.006 |
| Hardly thinking about close and distant others: On cognitive business and target closeness in social comparison effects | 2005 | Journal of Experimental Social Psychology | 10.1016/j.jesp.2013.03.005 |
| The flexible unconscious: Investigating the judgmental impact of varieties of unaware perception | 2005 | Journal of Experimental Social Psychology | 10.1016/j.jesp.2013.03.004 |
| Distinctiveness is Key: How Different Types of Self-Other Similarity Moderate Social Comparison Effects | 2007 | Personality & Social Psychology Bulletin | 10.1177/0146167212474240 |
| Terror Management and Stereotyping: Why Do People Stereotype When Mortality Is Salient? | 2008 | Personality & Social Psychology Bulletin | 10.1177/0146167212474240 |
| When we wonder what it all means: Interpretation goals facilitate accessibility and stereotyping effects | 2001 | Personality & Social Psychology Bulletin | 10.1177/0146167212474240 |
| The effects of diffuse and distinct affect | 2002 | Journal of Personality and Social Psychology | 10.1037/a0031698 |
| Me tomorrow, the others later: How perspective fit increases sustainable behavior | 2010 | Journal of Environmental Psychology | 10.1016/j.jenvp.2012.12.004 |
| Similarities and Differences between the Impact of Traits and Expectancies: What Matters Is Whether the Target Stimulus Is Ambiguous or Mixed | 2002 | Journal of Experimental Social Psychology | 10.1016/j.jesp.2012.12.001 |
| Information to go: Fluency enhances the usability of primed information | 2009 | Journal of Experimental Social Psychology | 10.1016/j.jesp.2012.11.014 |
| Distinguishing stereotype threat from priming effects: on the role of the social self and threat-based concerns | 2006 | Journal of Personality and Social Psychology | 10.1037/a0031270 |
| From seeing to being: subliminal social comparisons affect implicit and explicit self-evaluations | 2004 | Journal of Personality and Social Psychology | 10.1037/a0031410 |
| Method matters: effects of explicit versus implicit social comparisons on activation, behavior, and self-views | 2004 | Journal of Personality and Social Psychology | 10.1037/a0031425 |
| The magic spell of language: linguistic categories and their perceptual consequences | 2007 | Journal of Personality and Social Psychology | 10.1037/a0031271 |
| The self salience model of other-to-self effects: integrating principles of self-enhancement, complementarity, and imitation | 2006 | Journal of Personality and Social Psychology | 10.1037/a0031426 |
| Unconscious and spontaneous and...complex: the three selves model of social comparison assimilation and contrast | 2008 | Journal of Personality and Social Psychology | 10.1037/a0031266 |
| The Norm-Activating Power of Celebrity: The Dynamics of Success and Influence | 2011 | Social Psychology Quarterly | 10.1177/0190272512471170 |
| The downside of feeling better: Self-regard repair harms performance | 2008 | Self and Identity | 10.1080/15298868.2012.742330 |
| Status concerns and financial debts in adolescents | 2010 | Social Influence | 10.1080/15534510.2012.738953 |
| It's all in the timing: Measuring emotional reactions to stereotype threat before and after taking a test | 2006 | European Journal of Social Psychology | 10.1002/ejsp.1919 |
| Making sense of war: using the interpretation comparison model to understand the Iraq conflict | 2006 | European Journal of Social Psychology | 10.1002/ejsp.1920 |
| Staff, miter, book, share: how attributes of Saint Nicholas induce normative behavior | 2008 | European Journal of Social Psychology | 10.1002/ejsp.1913 Archived 7 August 2019 at the Wayback Machine |
| Affects of the unexpected: when inconsistency feels good (or bad) | 2010 | Personality & Social Psychology Bulletin | 10.1177/0146167212462821 |
| Event Accessibility and Context Effects in Causal Inference: Judgment of a Different Order | 1996 | Personality & Social Psychology Bulletin | 10.1177/0146167212462821 |
| Silence and Table Manners: When Environments Activate Norms | 2008 | Personality & Social Psychology Bulletin | 10.1177/0146167212462821 |
| The influence of mood on attribution | 2010 | Personality & Social Psychology Bulletin | 10.1177/0146167212462821 |
| Why people stereotype affects how they stereotype: the differential influence of comprehension goals and self-enhancement goals on stereotyping | 2009 | Personality & Social Psychology Bulletin | 10.1177/0146167212462821 |
| Stop Making Sense: The Ultimate Fear | 2009 | Psychological Inquiry | 10.1080/1047840X.2012.722053 |
| Behavioural effects of automatic interpersonal versus intergroup social comparison | 2006 | British Journal of Social Psychology | 10.1348/014466605X79589 |
| How to heat up from the cold: examining the preconditions for (unconscious) mood effects | 2008 | Journal of Personality and Social Psychology | 10.1037/a0029740 |
| Mood and context-dependence: Positive mood increases and negative mood decreases the effects of context on perception | 2010 | Journal of Personality and Social Psychology | 10.1037/a0029743 |
| Moods as spotlights: the influence of mood on accessibility effects | 2008 | Journal of Personality and Social Psychology | 10.1037/a0029742 |
| No pain, no gain: the conditions under which upward comparisons lead to better performance | 2007 | Journal of Personality and Social Psychology | 10.1037/a0029731 |
| On models and vases: body dissatisfaction and proneness to social comparison effects | 2007 | Journal of Personality and Social Psychology | 10.1037/a0029732 |
| The referents of trait inferences: The impact of trait concepts versus actor–trait links on subsequent judgments | 1996 | Journal of Personality and Social Psychology | 10.1037/a0029744 |
| What drives self-affirmation effects? On the importance of differentiating value affirmation and attribute affirmation | 2011 | Journal of Personality and Social Psychology | 10.1037/a0029745 |
| Beauty as a tool: The effect of model attractiveness, product relevance, and elaboration likelihood on advertising effectiveness | 2010 | Psychology & Marketing | 10.1002/mar.20565 |
| When different is better: Performance following upward comparison | 2006 | European Journal of Social Psychology | 10.1002/ejsp.1903 |
| The unconscious unfolding of emotions | 2009 | European Review of Social Psychology | 10.1080/10463283.2012.705989 |
| Emotion elicitor or emotion messenger? Subliminal priming reveals two faces of facial expressions | 2008 | Psychological Science | 10.1177/0956797612453137 |
| Judging the unexpected: Disconfirmation of situation-specific expectancies | 2009 | European Journal of Social Psychology | 10.1002/ejsp.1898 Archived 10 March 2022 at the Wayback Machine |
| Racist biases in legal decisions are reduced by a justice focus | 2010 | European Journal of Social Psychology | 10.1002/ejsp.1897 Archived 9 August 2019 at the Wayback Machine |
| The secret life of emotions | 2008 | Psychological Science | 10.1177/0956797612453137 |
| When nothing compares to me: How defensive motivations and similarity shape social comparison effects | 2006 | European Journal of Social Psychology | 10.1002/ejsp.1899 |
| The Self-Activation Effect of Advertisements: Ads Can Affect Whether and How Consumers Think about the Self | 2010 | Journal of Consumer Research | 10.1086/667237 |
| It depends on how you look at it: being versus becoming mindsets determine responses to social comparisons | 2010 | British Journal of Social Psychology | 10.1111/j.2044-8309.2012.02111.x |
| The Effects of Different Types of Self–Activation on Social Comparison Orientation | 2006 | Social Cognition | 10.1521/soco.2006.24.6.703 |
| The Mental Roots of System Justification: System Threat, Need for Structure, and Stereotyping | 2011 | Social Cognition | 10.1521/soco.2012.30.3.363 |
| When failure feels better than success: Self-salience, self-consistency, and affect | 2011 | British Journal of Social Psychology | 10.1111/j.2044-8309.2012.02108.x |
| Stereotype Disconfirmation Affect: When Sweet Hooligans Make You Happy and Honest Salesmen Make You Sad | 2011 | Basic and Applied Social Psychology | 10.1080/01973533.2012.682012 |
| What's in a Name? 361.708 Euros: The Effects of Marital Name Change | 2010 | Basic and Applied Social Psychology | 10.1080/01973533.2012.682012 |
| Happiness as alchemy: Positive mood leads to self-serving responses to social comparisons | 2011 | Motivation and Emotion | 10.1007/s11031-011-9266-1 |
| Coping with Chaos: How Disordered Contexts Promote Stereotyping and Discrimination | 2011 | Science | 10.1126/science.334.6060.1202-a |
| From (Unconscious) Perception to Emotion: A Global-to-Specific Unfolding View of Emotional Responding | 2010 | Chapter 4 in: (Emotion Regulation and Well-Being)[39] | 10.1007/978-1-4419-6953-8_20 |
Chapters in edited books
Several chapters written or coauthored by Stapel in reference books were called into question in the Flawed Science report. The Levelt committee noted fraud in three chapters in academic books, each listed with the note: "Theoretical article, in important respect based on fraudulent articles"; they regarded the evidence in these cases sufficient to conclude "fraud established".[40] One of these chapters was subject to a formal retraction notice in the academic press and is included in Retraction Watch's database. The three chapters are listed in the table below:
| Chapter title | Year | Editors | Publisher | Book | Notes | ISBN (Pages) |
|---|---|---|---|---|---|---|
| "In the mind of the beholder: The interpretation comparison model of accessibility effects" | 2007 | D.A. Stapel; J. Suls | Psychology Press | Assimilation and Contrast in Social Psychology | (313–327) | |
| "Priming as proxy: Understanding the subjectivity of social life" | 2011 | K. C. Klauer; A. Voss; C. Stahl | Guilford Publications | Cognitive Methods in Social Psychology | Republished 2012 in abridged form with Stapel chapter excised.[41] | ISBN 978-1-4625-0913-3 (148–183) |
| "From (Unconscious) Perception to Emotion: A Global-to-Specific Unfolding View of Emotional Responding" | 2011 | I. Nyklíček; A. Vingerhoets; M. Zeelenberg | Springer | Emotion Regulation and Well-Being | (Co-authored). Included in Retraction Watch listing | ISBN 978-1-4419-6952-1 |
The Noort committee, examining publications stemming from Stapel's time at the University of Groningen, also considered a number of book chapters in edited works suspect. In the case of these works, having less surviving original data available to examine, the Noort committee concluded with less certainty only "evidence of fraud". In the Flawed Science report they note the following chapters, under the heading: "The following book chapters are (partly) based on findings of articles, in which the Committees have found evidence of fraud:"[42]
- — (2001). "Let's not forget the past when we go to the future: On our knowledge of knowledge accessibility effects". In Moskowitz, G. B. (ed.). Cognitive social psychology: The Princeton symposium on the legacy and future of social cognition. Mahwah NJ, U.S: Lawrence Erlbaum. pp. 229–246. [Coauthored].
- — (2003). "Making sense of hot cognition: Why and when description influences our feelings and judgments". In J. P Forgas; K. D. Williams; W. von Hippel (eds.). Social judgments: Implicit and explicit processes. New York: Cambridge University Press. pp. 227–250. (Sydney Symposium of Social Psychology series).
- — (January 2001). "What's on our mind and how did it get there? The role of knowledge accessibility in social psychological phenomena". In Abraham Tesser; Norbert Schwarz (eds.). Blackwell Handbook of Social Psychology: Intraindividual Processes. Wiley. pp. 236–256. [Coauthored].
"Coping with chaos"
The first journal article retraction occurred a month after Tilburg University announced that it had found evidence of fraud in Stapel's work. In December 2011, the journal Science posted a retraction notice for Stapel's co-authored paper entitled "Coping with chaos: How disordered contexts promote stereotyping and discrimination".[43] The journal expressed initial concern regarding the paper's validity on 1 November.[44][45] The retraction statement in Science says:[46]
Our report "Coping with chaos: How disordered contexts promote stereotyping and discrimination" reported the effects of the physical environment on human stereotyping and discriminatory behavior. On 31 October 2011, the University of Tilburg held a press conference to announce findings of their investigation into possible data fraud on the part of author Stapel. These findings of the university's interim report included fabrication of data in this Science paper. Therefore, we are retracting the paper, with apologies from author Stapel. Coauthor Lindenberg was in no way involved in the generation of the data, and agrees to the retraction of the paper.
Following the retraction, coauthor of the "Chaos" paper, Siegwart Lindenberg, told the journal in an email, "Stapel's doing had caught me as much by surprise as it did anybody else. I never had any suspicion. He was a very trusted man, dean of the faculty, brilliant, successful, no indications for me to be distrustful. In this, I was not the only one. I also had no trouble with the results of the experiments."[44]
Selfishness in carnivores
The research result, obtained by Stapel and co-workers Roos Vonk and Marcel Zeelenberg, that carnivores are more selfish than vegetarians, which was widely publicized in Dutch media,[47] was suspected and later turned out to be based on falsified data.[48] The research result had not yet been published in a scientific journal; only a press bulletin was released.[49]
Other publications
- Stapel, Diederik (November 2012). Ontsporing ('Derailment'). Prometheus Books ISBN 90-446-2312-5
- Dautzenberg, A. H. J.; Stapel, Diederik (September 2014). De fictiefabriek. Een bevrijdingsroman in brieven ['The Fiction Factory. A Liberating Epistolary Novel']. Atlas Contact. (in Dutch) ISBN 978-90-254-4269-9
See also
Notes
- ^ A longer excerpt from Stapel's response to the joint committees' interim report, in the original Dutch with English translation, follows:[35]
Het is moeilijk de juiste woorden te vinden. De commissie heeft gesproken. En nu moet ik en wil ik iets zeggen, hoe onmogelijk het ook is het juiste te zeggen.
Ik heb gefaald als wetenschapper, als onderzoeker. Ik heb onderzoeksgegevens aangepast en onderzoeken gefingeerd. Niet een keer, maar meerdere keren, en niet even, maar gedurende een langere tijd. Ik realiseer me dat ik door dit gedrag mijn directe collega's in verbijstering en boosheid heb achtergelaten en mijn vakgebied, de sociale psychologie, in een kwaad daglicht heb gesteld. Ik schaam me daarvoor en ik heb daar grote spijt van. [...]
Ik hecht er aan te benadrukken dat ik hen nooit op de hoogte heb gebracht van mijn oneigenlijk gedrag. Ik bied mijn collega's, mijn promovendi en de gehele academische gemeenschap mijn oprechte excuses aan. Ik ben me bewust van het leed en het verdriet dat ik bij hen heb veroorzaakt.It's hard to find the right words. The committee has spoken. And now I have to and want to say something, no matter how impossible it is to say the right thing.
I have manipulated research data and faked studies. Not once, but several times, not for a short period, but over a longer period of time. I realize that by this behavior I have left my immediate colleagues bewildered and angry and have put my field of study, social psychology, in a bad light. I'm ashamed of that and I deeply regret it. [...]
I would like to emphasize that I never informed them of my improper behavior. I sincerely apologize to my colleagues, my PhD students and the entire academic community. I am aware of the suffering and sadness I have caused them.—Excerpt of statement by Diederik Stapel (31 October 2011), reported in Brabants Dagblad —Translation from the Dutch (machine translation)
References
Reports
Joint reports of the investigating committees:
- Final report: Levelt Committee; Noort Committee; Drenth Committee (28 November 2012). Flawed science: The fraudulent research practices of social psychologist Diederik Stapel (PDF) (Report). Archived from the original (PDF) on 12 January 2013. Retrieved 14 February 2013.
- Interim report: Levelt Committee; Noort Committee; Drenth Committee (31 October 2011). Interim report regarding the breach of scientific integrity by Prof. D. A. Stapel (PDF) (Report). Coordinated by the Levelt Committee of Tilburg University. Tilburg University. Archived from the original on 27 June 2016. Retrieved 17 January 2012.
Footnotes
- ^ a b c d e "Diederik Stapel succeeds Theo Verhallen as Dean of the Tilburg School of Social and Behavioral Sciences". Sociale Wetenschappen Newsletter Studenten. Tilburg University. 8 July 2010. Archived from the original on 2 April 2012. Retrieved 5 October 2011– via Tilburg University School of Social and Behavioral Sciences (in English)
- ^ "Levelt: Fraud detected in 55 publications (2013)". UniversOnline.nl. 28 November 2012. Retrieved 1 March 2013.
- ^ Derksen, Maarten (2021), "A Menagerie of Imposters and Truth-Tellers: Diederik Stapel and the Crisis in Psychology", The Imposter as Social Theory, Bristol University Press, pp. 53–76, doi:10.1332/policypress/9781529213072.003.0003, ISBN 9781529213072
- ^ a b Palus, Shannon (8 December 2015). "Diederik Stapel now has 58 retractions". Retraction Watch. Center for Scientific Integrity. Retrieved 22 March 2019.
- ^ a b c d e Bhattacharjee, Yudhijith (26 April 2013). "The Mind of a Con Man". The New York Times. First published in the Sunday Magazine by the NYT. Archived from the original on 30 August 2023. Retrieved 28 September 2023.
- ^ Abma, Ruud (2012). Changes in publication culture and the Stapel fraud case. Second Joint Meeting of Cheiron and the European Society for the History of the Human Sciences, 18–22 July, 2012. Montreal: European Society for the History of the Human Sciences – via academia.edu. (Conference program; abstracts: p. 50)
- ^
- Stapel, Diederik A.; Spears, Russell (1996). "Guilty by Disassociation (And Innocent by Association): The Impact of Relevant and Irrelevant Analogies on Political Judgments". Political Behavior. 18 (3): 289–309. doi:10.1007/BF01498603. ISSN 0190-9320. JSTOR 586619. S2CID 144307786. p. 289:
The study reported in this article was performed when Diederik A. Stapel was at the Center for Decision Research, Graduate School of Business, University of Chicago.
- "Curriculum Vitae (English version)". Diederik Stapel Website. September 2006.
- Stapel, Diederik A.; Spears, Russell (1996). "Guilty by Disassociation (And Innocent by Association): The Impact of Relevant and Irrelevant Analogies on Political Judgments". Political Behavior. 18 (3): 289–309. doi:10.1007/BF01498603. ISSN 0190-9320. JSTOR 586619. S2CID 144307786. p. 289:
- ^ Flawed Science 2012, p. 39.
- ^ "Career Trajectory Award Recipients". Society of Experimental Social Psychology. Retrieved 1 November 2011.
- ^ "Stapel doet vrijwillig afstand van doctorstitel – Binnenland – VK". de Volkskrant. Retrieved 17 November 2011.
- ^ "Prof. Diederik Stapel suspended" (Press release). Tilburg University. 7 September 2011. Archived from the original on 2 April 2012. Retrieved 17 September 2011.
- ^ Enserink, Martin (7 September 2011). "Dutch university sacks social psychologist over faked data". Science. Archived from the original on 30 September 2011. Retrieved 17 September 2011.
- ^ a b c d e f g Interim Levelt Report 2011.
- ^ a b c "First committee findings damn fraudulent Tilburg professor". Dutchnews.nl. 27 March 2012.
- ^ "Commissie Levelt". Tilburg University (in Dutch). Archived from the original on 24 September 2023.
- ^ "Investigations website – Home". Stapel Investigation: Joint Tilburg – Groningen – Amsterdam investigation of the publications by Mr. Stapel. Archived from the original on 31 July 2012.
- ^ "Diederik Stapel heeft nooit excuses aangeboden". NU.nl (in Dutch). 28 March 2012.
- ^ "Hoe heeft Stapel de wetenschappelijke wereld voor de gek kunnen houden?". de Volkskrant (in Dutch). 28 November 2012. Retrieved 28 November 2012.
- ^ Gonzalez, Robbie (2 November 2011). "Psychologist admits to faking dozens of scientific studies". Gizmodo.
- ^ Flawed Science 2012, pp. 7–8.
- ^ "Diederik Stapel: The Lying Dutchman". The Washington Post. 1 November 2011. (Post Opinions). Retrieved 17 January 2012.
- ^ Flawed Science 2012, p. 44.
- ^ Flawed Science 2012, p. 43.
- ^ Interim Levelt Report 2011, p. 9.
- ^ Flawed Science 2012, p. 41.
- ^ a b Flawed Science 2012.
- ^ "Commissie onderzoekt Amsterdamse werk Stapel". Nieuws en Agenda (in Dutch). Universiteit van Amsterdam. 23 September 2011. Archived from the original on 27 November 2011. Retrieved 17 November 2011.
- ^ Interim Levelt Report 2011, p. 20.
- ^ "UvA onderzoekt mogelijkheid intrekken doctorsgraad Stapel". Nieuws en Agenda (in Dutch). Universiteit van Amsterdam. 31 October 2011. Archived from the original on 4 November 2011. Retrieved 17 November 2011.
- ^ Callaway, Ewen (8 December 2011). "Report finds massive fraud at Dutch universities". Nature. 479 (7371): 15. Bibcode:2011Natur.479...15C. doi:10.1038/479015a. PMID 22051650.
- ^ Interim Levelt Report 2011, p. 6.
- ^ Interim Levelt Report 2011, pp. 6–7.
- ^ Frank Huiskamp (28 June 2013). "Diederik Stapel treft schikking met justitie om vervolging te voorkomen". NRC Handelsblad (in Dutch). Retrieved 13 July 2013.
- ^ Bhattacharjee, Yudhijith (28 June 2013). "Stapel Gets Community Service for Fabricating Studies". Science Insider. Archived from the original on 6 July 2013. Retrieved 13 July 2013.
- ^ a b "Stapel betuigt openlijk 'diepe spijt'". Brabants Dagblad. 31 October 2011. Archived from the original on 29 May 2012.
- ^ Borsboom, Denny; Wagenmakers, Eric-Jan (January 2013). "[Book Review] Derailed: The Rise and Fall of Diederik Stapel" (PDF). Observer. Vol. 26, no. 1. Association for Psychological Science. pp. 31, 33.
- ^ Jarrett, Christian (9 February 2013). "News: Stapel – final report". BPS Updates. British Psychological Society. Retrieved 2 October 2023.
- This editorial column first appeared in the journal of the BPS as: "News: Stapel – final report". The Psychologist. 26 (2): 88. February 2013.
- ^ Stapel, Diederik (15 November 2016). Faking Science: A True Story of Academic Fraud (PDF). Version 1.10. Translated by Brown, Nicholas J. L. p. 215. Translated from the Dutch, in which it appeared with the title, Ontsporing. Retrieved 7 October 2023.
- ^ Ivan Nyklíček; Ad Vingerhoets; Marcel Zeelenberg, eds. (2011). Emotion Regulation and Well-Being. New York; Heidelberg: Springer. ISBN 978-1-4419-6952-1.
- ^ Flawed Science 2012, pp. 25–27, 76.
- ^ K. C. Klauer; A. Voss; C. Stahl, eds. (9 November 2012), Cognitive Methods in Social Psychology (Abridged first ed.), New York: Guilford Press, ISBN 978-1-4625-0913-3. Publisher's note: "The hardcover edition of this book contained a chapter titled 'Priming as Proxy: Understanding the Subjectivity of Social Life' by D. A. Stapel. This chapter has been retracted by joint decision of the publisher and the book's editors."
- ^ Flawed Science 2012, pp. 81–82, 95.
- ^ Marcus, Adam (1 December 2011), "Science drops other shoe in Stapel case, retracts recent paper on chaos", Retraction Watch, The Center for Scientific Integrity, retrieved 17 January 2012
- The retracted Science paper: Stapel, Diederik A.; Lindenberg, Siegwart (8 April 2011). "Coping with Chaos: How Disordered Contexts Promote Stereotyping and Discrimination". Science. 332 (6026): 251–253. Bibcode:2011Sci...332..251S. doi:10.1126/science.1201068. PMID 21474762. S2CID 206531492. (Retracted, see doi:10.1126/science.334.6060.1202-a, PMID 22144595, Retraction Watch)
- ^ a b Callaway, Ewen (1 December 2011). "Dutch psychology fraudster issues first retraction". Nature News Blog. Retrieved 17 January 2012.
- ^ Alberts, Bruce (11 November 2011). "Editorial Expression of Concern". Science. 334 (6057): 760. Bibcode:2011Sci...334Q.760A. doi:10.1126/science.1216027. PMID 22045832. S2CID 28061110.
- ^ Stapel, D. A.; Lindenberg, Siegwart (2 December 2011). "Retraction". Science. 334 (6060): 1202. doi:10.1126/science.334.6060.1202-a. PMID 22144595.
- ^
- "Meat eaters are selfish and less social". Dutch Daily News. 30 August 2011. Archived from the original on 6 November 2011. Retrieved 17 September 2011; (in English).
- "Study of meat eaters are selfish and less social was a hoax". Dutch Daily News. 8 September 2011. Archived from the original on 18 November 2011; (in English).
- ^ "Meat eaters absolved, professor in the dock". DutchNews.nl. 8 September 2011. Retrieved 17 September 2011; (in English).
- ^ Vanheste, Tomas (13 September 2011). "Onder psychologen" [Among psychologists]. Vrij Nederland (in Dutch). Archived from the original on 22 February 2013. Retrieved 31 October 2011.
Further reading
- Frank van Kolfschooten (October 2012). Ontspoorde wetenschap ('Derailed Science'); De Kring publishers ISBN 94-91567-02-0
- Kreulen, Edwin (1 November 2011). "Diederik Stapel verzon list na list en duldde geen enkele tegenspraak". Trouw (in Dutch).
Stapel wist op dat moment precies wat hij verwachtte, viel gisteren af te leiden uit de woorden van onderzoeker Pim Levelt. 'Het Science-artikel berust op gefabriceerde gegevens', was zijn oordeel, net als in ieder geval 29 andere publicaties van Stapel, en vermoedelijk nog meer.
[Stapel knew at that moment exactly what he expected, which could be inferred yesterday from the words of Pim Levelt. 'The science article is based on fake data', was his verdict, just like at least 29 other publications by Stapel, and probably more.] - Markowitz, David M.; Hancock, Jeffrey T. (25 August 2014). "Linguistic Traces of a Scientific Fraud: The Case of Diederik Stapel". PLOS ONE. 9 (8): e105937. Bibcode:2014PLoSO...9j5937M. doi:10.1371/journal.pone.0105937. PMC 4143312. PMID 25153333.
External links
- Flawed Science. The fraudulent research practices of social psychologist Diederik Stapel. (Final joint report of the Stapel Committees, November 2012)
- "Database search, author(s) field – 'Diederik A Stapel'". The Retraction Watch Database. New York: The Center for Scientific Integrity. ISSN 2692-465X. [Returns a maximum of 50 items per search query. To narrow results, additional search parameter fields are available.]
