THE WALL STREET JOURNAL
I Cited Their Study, So They Disavowed It
If scientists retract research that challenges reigning orthodoxies, politics will drive scholarship.
By Heather Mac Donald
PHOTO: SHAWN THEW/SHUTTERSTOCK
The Proceedings of the National Academy of Sciences is a peer-reviewed journal that claims to publish “only the highest quality scientific research.” Now, the authors of a 2019 PNAS article are disowning their research simply because I cited it.
Psychologists Joseph Cesario of Michigan State and David Johnson of the University of Maryland analyzed 917 fatal police shootings of civilians from 2015 to test whether the race of the officer or the civilian predicted fatal police shootings. Neither did. Once “race specific rates of violent crime” are taken into account, the authors found, there are no disparities among those fatally shot by the police. These findings accord with decades of research showing that civilian behavior is the greatest influence on police behavior.
In September 2019, I cited the article’s finding in congressional testimony. I also referred to it in a City Journal article, in which I noted that two Princeton political scientists, Dean Knox and Jonathan Mummolo, had challenged the study design. Messrs. Cesario and Johnson stood by their findings. Even under the study design proposed by Messrs. Knox and Mummolo, they wrote, there is again “no significant evidence of anti-black disparity in the likelihood of being fatally shot by the police.”
My June 3 Journal op-ed quoted the PNAS article’s conclusion verbatim. It set off a firestorm at Michigan State. The university’s Graduate Employees Union pressured the MSU press office to apologize for the “harm it caused” by mentioning my article in a newsletter. The union targeted physicist Steve Hsu, who had approved funding for Mr. Cesario’s research. MSU sacked Mr. Hsu from his administrative position. PNAS editorialized that Messrs. Cesario and Johnson had “poorly framed” their article—the one that got through the journal’s three levels of editorial and peer review.
Mr. Cesario told this page that Mr. Hsu’s dismissal could narrow the “kinds of topics people can talk about, or what kinds of conclusions people can come to.” Now he and Mr. Johnson have themselves jeopardized the possibility of politically neutral scholarship. On Monday they retracted their paper. They say they stand behind its conclusion and statistical approach but complain about its “misuse,” specifically mentioning my op-eds.
The authors don’t say how I misused their work. Instead, they attribute to me a position I have never taken: that the “probability of being shot by police did not differ between Black and White Americans.” To the contrary, I have, like them, stressed that racial disparities in policing reflect differences in violent crime rates. The only thing wrong with their article, and my citation of it, is that its conclusion is unacceptable in our current political climate.
This retraction bodes ill for the development of knowledge. If scientists must disavow their findings because they challenge reigning orthodoxies, then those orthodoxies will prevail even when they are wrong. Political consensus will drive scholarship, and not the reverse. The consequences for the policing debate are particularly dire. Researchers will suppress any results that contravene the narrative about endemic police racism. That narrative is now producing a shocking rise in shootings in American cities. The victims, including toddlers, are almost exclusively black.
Ms. Mac Donald is a fellow at the Manhattan Institute.
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