[SydPhil] HPS Research Seminar, Monday 13 October 2025 at 5.30pm

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School of History and Philosophy of Science

RESEARCH SEMINAR

[The University of Sydney]

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Quantifying the Human?
Cristian Larroulet Philippi (University of Melbourne)

Dates: Monday, 13/10/2025
Start Time: 5:30pm
Venue: F23.501. Michael Spence Building, Level 5, Room 501
How to register: Free, no registration required

Website: https://hps-events.sydney.edu.au/<https://url.au.m.mimecastprotect.com/s/QLnzCvl1rKiLy4Jg0SwHRuQffhY?domain=t.e2ma.net>



Abstract: Quantitative measurement in the human sciences remains both widespread and controversial. Are depression scales, intelligence tests, etc. valid measurement instruments? Do they deliver quantitative or merely ordinal information? I discuss two approaches for understanding practices of quantitative measurement of theoretical attributes in the early stages of research. One uses causal notions to characterize dispositional attributes and to understand how they relate to measurement indications. It aims at standard epistemic desiderata in science (discovery, explanation, prediction) and offers good answers to traditional worries about human attributes (namely, are they really quantitative?) and about their measurement instruments (namely, are they valid?). A second approach uses the notion of value (as worked out in Dan Hausman's 2015 Valuing Health) to make sense of quantification practices. This approach does not resemble what scientists think of their measurement practices: it is not designed for the testing of tentative concepts but rather to standardize political decision making. Yet, I argue, this approach is the most plausible candidate for making sense of some human sciences’ measurement practices as quantifying anything. Such is the case for measurements that (i) combine distinct dimensions of the phenomena at stake and (ii) for which we don’t observe serious efforts aiming at embedding such measurements in predictive and explanatory networks. I illustrate with two examples: depression severity (HAMD) and the Human Development Index (HDI).


Bio: Cristian Larroulet Philippi is the inaugural RW Seddon Fellow in Philosophy of Science at the University of Melbourne. He obtained his PhD in History and Philosophy of Science from the University of Cambridge in 2023. His research in philosophy of science has a strong emphasis on methodological questions pertinent to the social sciences (including economics, psychology, and parts of medicine). Both his PhD dissertation and much of his current research focus on the challenges around quantitative measurement in the social sciences. He also works on values in science, and has previously worked on causal inference. Before turning to philosophy of science, Cristian studied and did research in applied micro-economics.



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