Losner Briones

¡Hola!

I am Losner Briones, a predoctoral researcher in the philosophy of the social sciences at the Department of Logic, History and Philosophy of Science at UNED, in Madrid. I am currently pursuing my PhD as an FPI [Formación de Personal Investigador] fellow within the research project Evidence and Mechanisms in the Social Sciences (EVISOC), funded by the Spanish Ministry of Science, Innovation and Universities. I am also involved in the projects New Approaches to Evidence: Theoretical and Practical Developments (NATE) and Data Modelling and the Problem of Ambiguity of Experimental Results, likewise funded by the Ministry. In addition, I am a member of the METIS research group in philosophy, based at UNED.

My primary research focuses on issues of measurement, evidence, and validity as they bear on causal inference and evaluation in experimental studies of redistributive policy interventions. More broadly, I address epistemological and methodological questions concerning evidence-based approaches in the social and health-regulatory sciences. A notably focus is causal extrapolation.

At present, this research develops along two ongoing lines, with particular attention to basic income experiments. One examines how RCT-based field experiments can constrain the evaluation of redistributive policies by failing to adequately capture community-level effects. In parallel, the other develops an account, grounded in Evidential Pluralism, of how mixed-methods research designs can support causal claims about the effectiveness of redistributive policies.

Here you can find my CV.

If you would like to get in touch, you can email me to losner [dot] briones [at] fsof [dot] uned [dot] es

Latest news:

• My submission has been accepted for the 4th Lake Como INEM Summer School in Philosophy of Economics, which will take place on June 7–12, 2026, in Como (Italy), at the Lake Como School of Advanced Studies.

• I am currently undertaking a three-month research stay (March-May) at the TINT – Centre for Philosophy of Social Science (Helsinki, Finland), under the supervision of Jaakko Kuorikoski. From June to September, I will continue with a second three-month stay at the Valencia Philosophy Lab (Valencia, Spain), hosted by Saúl Pérez-González.

• I am co-organising the XIV Research Workshop on Philosophy of Biology and Cognitive Sciences (PBCS), hosted by UNED in Madrid, Spain, on 18–19 June, 2026.

• During the 2025–2026 academic year, I will be co-teaching (with María Jiménez-Buedo) Philosophy of Science I and Philosophy of the Social Sciences for undergraduate students at UNED.