Stephen T. Ziliak’s research while affiliated with Roosevelt University and other places

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Publications (44)


Becoming a JEDI statistician
  • Article

December 2021

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27 Reads

Stat

Stephen T. Ziliak

JEDI stands for justice, equity, diversity, and inclusion. JEDI is a global movement, with networks connecting academic, business, and grass roots organizations. A definition of “JEDI statistics” and “impermissible inequality” is proposed and illustrated with stories from government work, university teaching, and academic research regarding race, ethics, and social justice in statistics. I recently had the pleasure of discussing these ideas on a panel with Wendy Martinez, Safiya Umoja Noble, Donna LaLonde and participants in a plenary session of SDSS 2021, “Equitable and Inclusive Data and Technology.” I thank them for their comments, and Wendy Martinez, notably.¹¹ https://ww2.amstat.org/meetings/sdss/2021/onlineprogram/AbstractDetails.cfm?AbstractID=309823 There are in front of us unlimited possibilities for good by exploring the Venn diagram-overlaps of JEDI philosophy and statistics, JEDI and economic statistics, JEDI and department culture; JEDI medicine, JEDI coding, JEDI wealth and ownership, JEDI history and the historians of statistics, and so forth, striding toward our future for an antiracist and inclusive statistics and society.²² To explain a little more, in 1996 I earned a PhD Certificate in the Rhetoric of the Human Sciences at the same time I completed the PhD in Economics. I teach Rhetoric and Moral Philosophy, too, and since 2007 I have taught annually a course on “Theories of Justice in Economics and Philosophy” to PhD, MA, and BA students at Roosevelt University and in short courses at several universities in Europe.


Deirdrest
  • Article
  • Full-text available

July 2020

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12 Reads

Journal of Contextual Economics – Schmollers Jahrbuch

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How Large Are Your G -Values? Try Gosset’s Guinnessometrics When a Little “ p ” Is Not Enough

March 2019

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252 Reads

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24 Citations

A crisis of validity has emerged from three related crises of science, that is, the crises of statistical significance and complete randomization, of replication, and of reproducibility. Guinnessometrics takes commonplace assumptions and methods of statistical science and stands them on their head, from little p-values to unstructured Big Data. Guinnessometrics focuses instead on the substantive significance which emerges from a small series of independent and economical yet balanced and repeated experiments. Originally developed and market-tested by William S. Gosset aka “Student” in his job as Head Experimental Brewer at the Guinness Brewery in Dublin, Gosset’s economic and common sense approach to statistical inference and scientific method has been unwisely neglected. In many areas of science and life, the 10 principles of Guinnessometrics or G-values outlined here can help. Other things equal, the larger the G-values, the better the science and judgment. By now a colleague, neighbor, or YouTube junkie has probably shown you one of those wacky psychology experiments in a video involving a gorilla, and testing the limits of human cognition. In one video, a person wearing a gorilla suit suddenly appears on the scene among humans, who are themselves engaged in some ordinary, mundane activity such as passing a basketball. The funny thing is, prankster researchers have discovered, when observers are asked to think about the mundane activity (such as by counting the number of observed passes of a basketball), the unexpected gorilla is frequently unseen (for discussion see Kahneman 2011 Kahneman, D. (2011), Thinking Fast and Slow, New York: Farrar, Straus and Giroux. [Google Scholar]). The gorilla is invisible. People don’t see it.


Figure 1 The gender/value compass for individuality and relation
Trumponomics: Causes and Consequences

June 2017

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231 Reads

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1 Citation

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Dean Baker

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Stephanie Kelton

Smith’s Wedge: The Invisible Mishandling of Context in Robert Frank’s The Darwin Economy

March 2016

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43 Reads

Schmollers Jahrbuch

In The Darwin Economy a distinguished behavioral economist, Robert Frank, promises to put Adam Smith’s “invisible hand narrative” into “context.” Neglecting history, empirical evidence, original sources, and a voluminous secondary literature, he fails to deliver. Frank predicts that one hundred years from now professional economists will name not Adam Smith but Charles Darwin as the intellectual founder of their discipline. The reason he gives is “Darwin’s wedge” – a term he coins to emphasize a divergence between individual and group interests which in turn causes wasteful competition and collective loss. He credits Darwin for the insight. We find the very same “wedge” and insight in a book wholly neglected by Frank and most economists after Stigler, namely, Smith’s The Theory of Moral Sentiments. Working with original sources we show that Frank’s view of the invisible hand – and thus of modern economics – is not sustainable. Contextual economics after Schmoller is of course voluminous but the literature is hardly known by Frank, who is wedded to the axiomatic approach and “no cash on the table” conjecture favored by most neoclassicals. We highlight the problem with evidence on the economics of labor-managed firms and with a revival of a once-famous study by Carleton Parker on large scale farming, unregulated migrant labor, and the Wheatland Hop Field riot of 1913. JEL Codes: B3, N3, J6, B41, Q10 In The Darwin Economy a distinguished behavioral economist, Robert Frank, promises to put Adam Smith’s “invisible hand narrative” into “context.” Neglecting history, empirical evidence, original sources, and a voluminous secondary literature, he fails to deliver. Frank predicts that one hundred years from now professional economists will name not Adam Smith but Charles Darwin as the intellectual founder of their discipline. The reason he gives is “Darwin’s wedge” – a term he coins to emphasize a divergence between individual and group interests which in turn causes wasteful competition and collective loss. He credits Darwin for the insight. We find the very same “wedge” and insight in a book wholly neglected by Frank and most economists after Stigler, namely, Smith’s The Theory of Moral Sentiments. Working with original sources we show that Frank’s view of the invisible hand – and thus of modern economics – is not sustainable. Contextual economics after Schmoller is of course voluminous but the literature is hardly known by Frank, who is wedded to the axiomatic approach and “no cash on the table” conjecture favored by most neoclassicals. We highlight the problem with evidence on the economics of labor-managed firms and with a revival of a once-famous study by Carleton Parker on large scale farming, unregulated migrant labor, and the Wheatland Hop Field riot of 1913.


Statistical significance and scientific misconduct: improving the style of the published research paper

January 2016

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53 Reads

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20 Citations

Review of Social Economy

A science, business, or law that is basing its validity on the level of p-values, t statistics and other tests of statistical significance is looking less and less relevant and more and more unethical. Today’s economist uses a lot of wit putting a clever index of opportunity cost into his models; but then, like the amnesiac, he fails to see opportunity cost in statistical estimates he makes of those same models. Medicine, psychology, pharmacology and other fields are similarly damaged by this fundamental error of science, keeping bad treatments on the market and good ones out. A few small changes to the style of the published research paper using statistical methods can bring large beneficial effects to more than academic research papers. It is suggested that misuse of statistical significance be added to the definition of scientific misconduct currently enforced by the NIH, NSF, Office of Research Integrity and others.


What Gives Power to Words? A Multi-disciplinary Conversation on Social Change

October 2014

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5 Reads

Academy of Management Proceedings

Words – the symbolic language used to communicate – are portrayed by social scientists as at the same time powerful and powerless in affecting social change. The question is, however, not whether words are powerful – it is not clear if these theories can be reconciled – but when they are powerful and towards what consequence. This panel symposium facilitates a multi-diciplinary dialogue on the topic, by bringing four eminent scholars from sociology, psychology, economics and communication studies to reflect on their fields' insights and engage in dialogue.


The Oxford Handbook of Professional Economic Ethics

March 2014

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28 Reads

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58 Citations

For more than a century, the economics profession has extended its reach to encompass policy formation and institutional design while largely ignoring the ethical challenges that attend the profession’s influence over the lives of others. Economists have proved to be disinterested in ethics, which, embracing emotivism, they often treat as a matter of preference, and hostile to professional economic ethics, which they incorrectly equate with a code of conduct that would be at best ineffectual and at worst disruptive to good economic practice. But good ethical reasoning is not reducible to mere tastes, and professional ethics is not reducible to a code. Instead, professional economic ethics refers to a new field of investigation—a tradition of sustained inquiry into the irrepressible ethical entailments of academic and applied economic practice. The risks and costs of establishing the field are real, but a profession that purports to enhance social welfare cannot avoid them.


Citations (24)


... Quite the opposite, they are accountable as a profession for not having any code of conduct until very recently. They are also accountable for not keeping an open eye on the discussions on ethics that other social disciplines or other disciplines in general have been developing for many years or centuries now (Daly, 2014;Heilig and Weijer, 2005;Reynolds, 2009;Sindzingre, 2019). Moreover, they cannot use metaphors from biology, medicine, and anthropology when they try to make their economic theories or advice acceptable to the public without following the ethics of the discipline, the expertise and the reputation of which they use to "market" their economics. ...

Reference:

Ethics and grassroots economics: a quest for collective meaning
The Oxford Handbook of Professional Economic Ethics
  • Citing Article
  • March 2014

... The separation is not so clean in the p-hacking scenario, but can be mapped back to the cheating scenario. The mechanism of the left-hand panel of Figure 1 is analogous to the Lombard effect in psychoacoustics: [26][27][28] speakers increase their vocal effort in response to noise. ...

What quantitative methods should we teach to graduate students? A comment on Swann’s “Is precise econometrics an illusion?”
  • Citing Article
  • October 2019

The Journal of Economic Education

... Gosset was a pioneer of modern statistics in small sample experimental design and analysis. As a beer brewer at Guinness, he developed practical approaches to experimentation to compare barley varieties and beer brewing practices [16]. ...

How Large Are Your G -Values? Try Gosset’s Guinnessometrics When a Little “ p ” Is Not Enough

... P-value hacking, also known as p-hacking, data dredging or data fishing, is a QRP in which researchers repeatedly perform statistical tests on their data until they obtain a result that is considered significant (Ziliak, 2016). This can be done by manipulating the data, selecting only certain variables/sample members, or using different statistical methods until a desired outcome is achieved. ...

Statistical significance and scientific misconduct: improving the style of the published research paper
  • Citing Article
  • January 2016

Review of Social Economy

... Model 2 examines hypothesis 2. A significant and negative coefficient of À0.043 is reported for recognition and disclosure fraud and a non-significant coefficient is estimated for disclosure fraud. Consistent with hypothesis 2, investors perceive 11 Economic significance is a measure of the importance of a relationship and considers the magnitude of the estimated coefficients (Ziliak & McCloskey, 2013). 12 Apart from parametric t-tests, a nonparametric test: Wilcoxon Signed-rank test is also applied. ...

We Agree That Statistical Significance Proves Essentially Nothing: A Rejoinder to Thomas Mayer
  • Citing Article
  • January 2013

Econ Journal Watch

... Un gouvernement par la science, quand cette science est dominée par le simple test de significativité statistique, peut en ce sens nuire au bien-être social. Or, si les articles scientifiques se trompent sur l'interprétation de la significativité, comme le soutiennent McCloskey et Zilliak (2008, 2012), cela conduit aussi à penser que ces fameux résultats scientifiques auxquels se réfèrent P. Cahuc et A. Zylberberg sont entachés d'erreurs. Une telle thèse représente parfaitement ce que McCloskey et Zilliak dénoncent dans leur livre de 2008 lorsqu'ils soutiennent que les tests de significativité créent du chômage et de l'injustice, comme quand les agences du médicament tuent des malades. ...

Statistical Significance in the New Tom and the Old Tom: A Reply to Thomas Mayer
  • Citing Article
  • September 2012

Econ Journal Watch

... We reviewed one of them in Section 3.2, which is that LFEs, a type of field experiment, have a historical and methodological origin distinct from RFEs. Economists have elaborated other reasons, including statistical reasons (Ziliak, 2014;Heckman, 1992;Heckman and Smith, 1995;Heckman, 2010) and more general considerations about the limited control afforded by RFEs (Harrison, 2005(Harrison, , 2014Ortmann, 2005), and the different research purposes that different experimental designs should serve (Harrison, 2005;List, 2007a). ...

Balanced versus Randomized Field Experiments in Economics: Why W. S. Gosset aka "Student" Matters
  • Citing Article
  • January 2014

Review of Behavioral Economics

... This methodology begins with quantifying risk and then focuses on prevention, detection, and remediation. Consequently, Lean Six Sigma is used to mitigate risks in three ways, including preventing incidents from happening, detecting incidents as early as possible, and minimizing the impact of incidents that occur [21]. By focusing on these three elements, organizations can minimize the damage caused by cyberattacks and improve their resilience to future threats. ...

W.S. Gosset and Some Neglected Concepts in Experimental Statistics: Guinnessometrics II
  • Citing Article
  • September 2011

Journal of Wine Economics

... To move from the current handicapped probabilistic view on deterministic physiological genetics leading to inefficiency in mathematical modeling [60] and chaos in genomics [1] one has to accept that living nature expresses itself uniquely for each global genotype by coherent fingerprints. Without an isogenic experimental mutant model by fingerprint perturbation [e.g., in barley [21,26] or in arabidopsis: (Arabidopsis thaliana) [19]], the soft modeling and coherent natural calculation principles of gene expression can not to be understood. ...

The Unreasonable Ineffectiveness of Fisherian "Tests" in Biology and Especially Medicine
  • Citing Article
  • March 2009

Biological Theory

... A misspecification test has been conducted prior to build Hazard model (Ziliak and McCloskey, 2008;Gillborn et al., 2018). The test result shows that using Hazard model and selected variables for predicting the staying duration is appropriate. ...

Science Is Judgment, Not Only Calculation: A Reply to Aris Spanos's Review of The Cult of Statistical Significance
  • Citing Article