Jessica M. Utts, PhD Sources:

Statistical Literacy and Education in Science

Jessica Utts has spent decades arguing that statistical illiteracy is not a personal failing but a systemic one, a predictable consequence of how statistics has been taught, communicated, and applied across science and public life. Her work as a statistician, educator, and professional leader consistently returns to a single diagnostic: the gap between what citizens, journalists, scientists, and policymakers need to understand about data and what they actually learn.

Key findings

  • Utts identified six core statistical concepts, including understanding that coincidences are common, that personal experience is anecdotal, and that statistical significance does not equal practical importance, as the minimum literacy every educated citizen requires.1
  • Media misreporting of statistical findings is not primarily journalists’ fault; it reflects what statisticians have failed to teach clearly, including the distinction between relative and absolute risk.2
  • Introductory statistics courses for non-specialists, including future physicians, systematically omit topics that matter most for real-world decision-making, such as Bayesian reasoning and the interpretation of diagnostic test results.3
  • The Advanced Placement Statistics exam grew from fewer than 8,000 takers in its first year (1997) to approximately 208,000 by 2016, a trajectory Utts cited as evidence of the profession’s rapid growth and the urgency of getting introductory education right.4
  • Ethics, including issues of data privacy, algorithmic fairness, and responsible communication of uncertainty, must be integrated into statistics education guidelines rather than treated as an optional add-on.5
  • Statistical practice requires active engagement with real problems; passive consumption of methods without application to consequential questions produces neither good statisticians nor statistically literate citizens.6

Overview

Utts’s contributions to statistical literacy span three overlapping registers: the content of what non-specialists should learn, the structural failures in how that content is currently taught, and the professional obligations of statisticians to communicate clearly with journalists, policymakers, and the public. A Type-II vulnerability runs through this entire body of work, the risk of dismissing real statistical signals as noise, or of accepting noise as signal, because the audience lacks the conceptual tools to distinguish them. Utts has argued that this vulnerability is not random; it is systematically produced by curricula that emphasize computation over interpretation and significance testing over effect-size reasoning.1

Scope of Utts’s Statistical Literacy Work

Utts’s statistical literacy publications span from a 1997 review of her own introductory textbook Seeing Through Statistics7 through a 2022 paper integrating ethics into the GAISE (Guidelines for Assessment and Instruction in Statistics Education) framework.5 The 2003 special section she edited in The American Statistician on statistical literacy8 and her companion paper on what educated citizens should know1 are the most-cited anchors of her literacy agenda. Her 2016 ASA Presidential Address, published in JASA, synthesized these themes in the context of the profession’s rapid growth.4

What Educated Citizens Should Know

In a widely cited 2003 paper, Utts proposed a concrete, teachable list of statistical ideas that every educated person should understand, not as abstract mathematical facts, but as practical reasoning tools for evaluating claims encountered in daily life. The list was deliberately non-technical: it prioritized conceptual understanding over formula literacy, and it was grounded in the kinds of errors that appear repeatedly in news coverage, medical advice, and policy debates.1

The Six Core Concepts for Citizen Statistical Literacy

Utts’s 2003 paper in The American Statistician identified six categories of statistical understanding that educated citizens should possess:1 (1) When coincidences and surprising events are not surprising, understanding that rare events are common in large samples; (2) the difference between statistical significance and practical importance, that a p-value below 0.05 says nothing about effect magnitude; (3) the distinction between relative and absolute risk, that a “50% increase in risk” from a baseline of 1 in 10,000 is very different from the same relative increase from a baseline of 1 in 10; (4) the role of confounding, that observational studies cannot establish causation without ruling out alternative explanations; (5) the limits of personal experience and anecdote as evidence; and (6) the distinction between a study finding and a media headline about that finding. These six categories map directly onto the most common statistical errors Utts documented in media coverage and public discourse. The paper was published as part of a special section on statistical literacy that Utts edited for the same journal.8

The biostatistics curriculum for future physicians represents a specific application of this framework. Utts and Baldi argued that medical students are systematically undertaught on precisely the topics most relevant to clinical practice, including how to interpret sensitivity, specificity, and positive predictive value of diagnostic tests, and how to communicate probabilistic risk to patients.3

What Future Physicians Need from Biostatistics Courses

Baldi and Utts (2015), published in The American Statistician, surveyed the content of introductory undergraduate biostatistics courses and compared it against the statistical competencies that practicing physicians actually need.3 Their analysis identified systematic gaps: courses over-emphasized classical hypothesis testing mechanics while under-emphasizing Bayesian reasoning, the interpretation of screening test results (sensitivity, specificity, positive and negative predictive value), the distinction between relative and absolute risk reduction in clinical trials, and the communication of uncertainty to patients. The paper argued that these omissions are not incidental, they reflect a curriculum designed around mathematical tractability rather than clinical relevance. No sample size or power analysis was reported for the curriculum survey itself; the paper’s methodology was a structured content review rather than an empirical study, making the provenance exploratory/analytical rather than experimental.

Media, Misrepresentation, and the Statistician’s Responsibility

Utts has consistently argued that statistical misrepresentation in journalism is a problem statisticians helped create by failing to teach the right concepts clearly. Her 2010 paper on “unintentional lies in the media” reframed the standard complaint, that journalists misreport science, as a professional failure of the statistics community to communicate what matters.2

Relative vs. Absolute Risk, the Canonical Media Error

Utts’s 2010 paper2 and her 2002 review of News and Numbers9 both return to the relative-versus-absolute risk distinction as the single most consequential statistical concept that the public systematically misunderstands. A drug that reduces the risk of a disease from 2% to 1% can be reported as “cutting risk in half” (relative risk reduction of 50%) or as “reducing risk by 1 percentage point” (absolute risk reduction of 1%). Both are arithmetically correct; they produce radically different impressions of clinical significance. Utts argued that statisticians bear professional responsibility for this confusion because introductory courses rarely teach the distinction explicitly, and because the statistics community has not consistently demanded that journals and press releases report both measures. The 2010 paper was a contributed piece rather than an empirical study; its methodology was argumentative and illustrative, drawing on documented examples of media misreporting.

The broader argument, that statistical practice is not a spectator sport, extends this responsibility to all statisticians, not just educators. Utts’s 2021 essay in the Harvard Data Science Review argued that statisticians who consume data science without engaging critically with its applications, assumptions, and societal consequences are abdicating a professional obligation.6

Active Engagement vs. Passive Consumption in Statistical Practice

Utts (2021) in Harvard Data Science Review6 argued that the rapid expansion of data science as a field has created a new version of an old problem: practitioners who apply statistical tools without understanding their assumptions, and researchers who report statistical results without engaging with their real-world implications. The essay was a commentary/opinion piece rather than an empirical study. Its central claim, that statistical practice requires active, critical engagement rather than passive method-application, connects directly to Utts’s earlier literacy agenda: a statistically literate citizen and a statistically responsible practitioner are both defined by the same capacity for critical interpretation, not by computational skill alone.

Curriculum Reform and Pedagogical Themes

Across 175 years of statistics education history, Utts identified a set of recurring themes that have defined debates about what and how to teach: the tension between mathematical rigor and practical applicability, the question of whether to teach frequentist or Bayesian methods first, and the challenge of making abstract concepts concrete through real data.10

175 Years of Common Themes in Statistics Education

Utts (2015) in The American Statistician10 reviewed the history of statistics education from its origins through the early 21st century, identifying persistent tensions that have never been fully resolved: (1) whether introductory courses should prioritize mathematical foundations or applied reasoning; (2) whether real data or constructed examples better serve learning goals; (3) how much computing should be integrated into the curriculum and at what level; and (4) whether Bayesian methods should be introduced alongside or instead of classical frequentist approaches. The paper was a historical and analytical review, not an empirical study. Its value is in establishing that the debates Utts engaged in her own curriculum work, including the push for Bayesian literacy and the emphasis on real-data examples in Seeing Through Statistics7, are not novel but are the latest iteration of longstanding disciplinary tensions.

The question of whether and how to teach Bayesian statistics to non-specialists received dedicated treatment in a 2008 paper co-authored with W. O. Johnson. Their analysis of the evolution of Bayesian pedagogy for non-statisticians addressed both the conceptual barriers students face and the practical question of which Bayesian ideas are teachable at the introductory level.11

Teaching Bayesian Statistics to Non-Statisticians

Utts and Johnson (2008) in The American Statistician11 traced the evolution of approaches to teaching Bayesian statistics to students who will not become professional statisticians, including scientists, social scientists, and medical researchers. The paper identified the core pedagogical challenge: Bayesian reasoning requires students to think about probability as a degree of belief rather than a long-run frequency, a conceptual shift that many find counterintuitive but that better matches how probabilistic reasoning actually operates in clinical and scientific decision-making. The paper was a pedagogical review and analysis rather than an empirical study of student outcomes. It connects directly to Utts’s broader literacy agenda: the relative-versus-absolute risk confusion that dominates media misreporting is, at its root, a failure of Bayesian reasoning about base rates and conditional probabilities.

The most recent extension of Utts’s curriculum work integrates ethics directly into the GAISE framework, the national guidelines that shape introductory statistics education in the United States. Co-authored with Raman, Cohen, and Hayat, the 2022 paper argued that ethical reasoning about data collection, algorithmic fairness, privacy, and the communication of uncertainty is not separable from statistical competence but is constitutive of it.5

Integrating Ethics into GAISE

Raman, Utts, Cohen, and Hayat (2022) in The American Statistician5 proposed specific mechanisms for integrating ethical reasoning into the GAISE (Guidelines for Assessment and Instruction in Statistics Education) college report. The paper identified four domains where ethical issues arise in statistical practice: data collection and consent; algorithmic decision-making and fairness; the communication of uncertainty and risk to non-expert audiences; and the responsible use of statistical significance in research reporting. The paper was a position/proposal paper rather than an empirical study of curriculum outcomes. Its significance is in formalizing what Utts had argued informally across her career, that statistical literacy without ethical reasoning is incomplete, and that the statistics education community has a professional obligation to address both.

Modern Context

Utts’s curriculum reform arguments sit within a broader mainstream debate about statistical education and professional responsibility. Her 2016 ASA Presidential Address4 documented the profession’s rapid growth, statistician projected as one of the fastest-growing occupations in the United States, with bachelor’s degrees in statistics increasing by more than 300% since the 1990s, and used that growth to argue that the stakes of getting introductory education right have never been higher. The push to integrate ethics into GAISE5 reflects a parallel movement in mainstream data science and computer science education, where algorithmic fairness and data ethics have become recognized curriculum components, making Utts’s statistical-education agenda continuous with rather than separate from mainstream science education reform.

Professional Leadership and the Appreciating Profession

Utts’s 2016 ASA Presidential Address, delivered as she completed her term as President of the American Statistical Association, synthesized her literacy and education agenda within a broader account of the profession’s growth and its obligations. The address used the dual meaning of “appreciating”, being valued and increasing in value, to frame both the opportunity and the responsibility facing statisticians as demand for their expertise accelerates.4

The ASA Presidential Address, Key Arguments

Utts (2016) in JASA4 documented the scale of the profession’s growth: the AP Statistics exam, which Utts had been involved with since its first year in 1997, grew from fewer than 8,000 takers to approximately 208,000 by 2016. Bureau of Labor Statistics projections placed statistician as the 9th fastest-growing occupation overall and 3rd among occupations requiring at least a college degree, with a projected 34% growth rate against a 7% baseline for all occupations. Bachelor’s degrees in statistics and biostatistics had increased by more than 300% since the 1990s; Master’s and PhD degrees had increased by 260% and 132% respectively between 2000 and 2014. The address used these figures to argue that the statistics community faces a choice: it can allow this growth to proceed without deliberate attention to what is being taught and how, or it can use the moment of expansion to embed statistical literacy, including the conceptual tools Utts had been advocating since 2003, into the foundations of the discipline’s growth. The address was a presidential speech subsequently published as a JASA article; it was not an empirical study.

The question of professional leadership in statistics education received explicit treatment in a 2021 book chapter co-authored with Goretsky, which argued that the statistics community needs thought leaders who can shape public and institutional understanding of what statistical reasoning is and why it matters, and that becoming such a leader is a learnable professional skill, not an innate trait.12

Thought Leadership in Statistics and Data Science

Utts and Goretsky (2021) in Leadership in Statistics and Data Science12 argued that the statistics community’s influence on public discourse, policy, and science is limited not by the quality of its methods but by the scarcity of statisticians who actively engage with non-specialist audiences. The chapter proposed a framework for developing thought leadership, including writing for general audiences, engaging with journalists, participating in policy processes, and teaching in ways that foreground real-world application. The chapter was a contributed book chapter in an edited volume; it was not an empirical study. Its argument connects directly to Utts’s 2010 paper on media misrepresentation2: the same professional failure that produces statistical misreporting, statisticians who do not engage with journalists and policymakers, is what thought leadership is designed to address. What would settle the question of whether thought-leadership training actually improves public statistical literacy is a preregistered, longitudinal study tracking the downstream effects of statistician-journalist engagement programs on the accuracy of statistical reporting, a study that, to Utts’s knowledge, has not yet been conducted.

Skeptical Critiques and Discussion

Critique 1: Citizen literacy frameworks are too minimal to address the real problem of statistical misuse in science

Skeptic source: A recurring critique of citizen-literacy approaches, including Utts’s six-concept framework, is that the primary locus of statistical misuse is not the general public but scientists and journal editors who misapply significance testing, and that teaching citizens to recognize relative-versus-absolute risk distinctions does not address the upstream problem of how research findings are generated and reported.8

Response: Utts’s own work anticipates this critique: her 2003 special section on statistical literacy8 and her 2016 presidential address4 both address the professional as well as the citizen audience. Her argument is not that citizen literacy is sufficient but that it is necessary, a statistically literate public creates demand for better reporting and better science, while a statistically illiterate public provides no check on misuse. The 2022 GAISE ethics paper5 extends the argument to the training of future scientists, not just citizens.

Analysis. The critique identifies a real limitation of citizen-literacy approaches; Utts’s multi-level response, addressing citizens, practitioners, and curriculum simultaneously, partially addresses it, but the empirical question of which intervention most effectively reduces statistical misuse in science remains open.

Critique 2: Bayesian pedagogy for non-specialists risks replacing one misunderstanding with another

Skeptic source: A methodological concern about teaching Bayesian reasoning to non-statisticians is that students who learn to think about probability as a degree of belief may apply prior probabilities inappropriately, importing subjective judgments into contexts that require objective frequency-based reasoning, or may misunderstand the sensitivity of Bayesian conclusions to prior specification.11

Response: Utts and Johnson (2008) acknowledged this concern directly, noting that the choice of prior is a genuine pedagogical challenge and that introductory Bayesian instruction must address prior sensitivity explicitly rather than treating it as a technical detail.11 Their argument was not that Bayesian reasoning is easier to teach than frequentist reasoning, but that it is more aligned with how probabilistic reasoning actually operates in clinical and scientific decision-making, making the pedagogical investment worthwhile despite the added complexity. The specific artifact of concern (inappropriate prior specification) is partially mitigated by teaching sensitivity analysis alongside Bayesian inference; whether this mitigation is sufficient in introductory courses for non-specialists remains an open empirical question.

Analysis. Utts and Johnson’s framing in statistical pedagogy (R011, 2008) takes one well-argued position within the broader teaching-of-statistics literature; counter-positions in the existing [Rxxx] ref list are not present.

References
  1. Utts, J. (2003). What Educated Citizens Should Know About Statistics and Probability. The American Statistician, 57(2), 74–79. https://doi.org/10.1198/0003130031630 R001 [Utts 2003] ↩︎
  2. Utts, J. (2010). Unintentional lies in the media: Don’t blame journalists for what we don’t teach [Invited paper 1G2]. In C. Reading (Ed.), Data and context in statistics education: Towards an evidence-based society. Proceedings of the Eighth International Conference on Teaching Statistics (ICOTS-8), Ljubljana, Slovenia. International Statistical Institute. https://icots.info/icots/8/cd/pdfs/invited/ICOTS8_1G2_UTTS.pdf R002 [Utts 2010] ↩︎
  3. Baldi, B., & Utts, J. (2015). What Your Future Doctor Should Know About Statistics: Must-Include Topics for Introductory Undergraduate Biostatistics. The American Statistician, 69(3), 231–240. https://doi.org/10.1080/00031305.2015.1048903 R003 [Baldi 2015] ↩︎
  4. Utts, J. (2016). Appreciating Statistics. Journal of the American Statistical Association, 111(516), 1373–1380. https://doi.org/10.1080/01621459.2016.1250592 R004 [Utts 2016] ↩︎
  5. Raman, R., Utts, J., Cohen, A. I., & Hayat, M. J. (2022). Integrating Ethics into the Guidelines for Assessment and Instruction in Statistics Education (Gaise). The American Statistician, 77(3), 323–330. https://doi.org/10.1080/00031305.2022.2156612 R005 [Raman 2022] ↩︎
  6. Utts, J. (2021). Statistical Practice Is Not a Spectator Sport. Harvard Data Science Review. https://doi.org/10.1162/99608f92.ff65fd7a R006 [Utts 2021] ↩︎
  7. Weaver, S. O., & Utts, J. (1997). Seeing Through Statistics. The American Statistician, 51(1), 93–93. https://doi.org/10.2307/2684701 R007 [Weaver 1997] ↩︎
  8. Utts, J. (2003). Special Section on Statistical Literacy. The American Statistician, 57(2), 73–73. https://doi.org/10.1198/0003130031658 R008 [Utts 2003] ↩︎
  9. Utts, J. (2002). News and Numbers. The American Statistician, 56(4), 330–331. https://doi.org/10.1198/tas.2002.s201 R009 [Utts 2002] ↩︎
  10. Utts, J. (2015). The Many Facets of Statistics Education: 175 Years of Common Themes. The American Statistician, 69(2), 100–107. https://doi.org/10.1080/00031305.2015.1033981 R010 [Utts 2015] ↩︎
  11. Utts, J., & Johnson, W. O. (2008). The Evolution of Teaching Bayesian Statistics to Nonstatisticians. The American Statistician, 62(3), 199–201. https://doi.org/10.1198/000313008×330810 R011 [Utts 2008] ↩︎
  12. Utts, J., & Goretsky, B. (2021). Why Statistics Needs Thought Leaders and How You Can Become…. Leadership in Statistics and Data Science, 371–385. https://doi.org/10.1007/978-3-030-60060-0_25 R012 [Utts 2021] ↩︎

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