John Worrall (/ ˈ w ɒr əl /; born 27 November 1946) was a professor of philosophy of science at the London School of Economics until his retirement in 2019, when he became Emeritus Professor. He was also associated with the Centre for Philosophy of Natural and Social Science at the same institution.

Worrall’s main intellectual interests are in theory-change in science – and its impact on the twin theses of scientific rationality and scientific realism. (You can watch a TEDx talk outlining the core issues here.) More recently, his research has mostly focused on methodological and evidential issues in medicine particularly those ...

Structural realism: The best of both worlds? What evidence in evidence-based medicine? PSA: Proceedings of the biennial meeting of the Philosophy of Science … Change and Progress in Modern Science:...

John L. Worrall is Professor of Criminology and Criminal Justice at the University of Texas at Dallas. He has published articles and book chapters on a variety of topics ranging from legal issues in policing to crime measurement.

Structural Realism: The Best of Both Worlds?* What evidence in evidence‐based medicine? PSA: Proceedings of the Biennial Meeting of the Philosophy of Science …

Executive Director, Academy of Criminal Justice Sciences (August 2017 to present). Director, Justice Administration and Leadership, University of Texas at Dallas, Richardson, TX (September 2015-June 2018). Graduate Director, Criminology Program, University of Texas at Dallas, Richardson, TX (December 2012-December 2013; September 2015-August 2016).

John Worrall was educated at the London School of Economics, from where he obtained his PhD (under the supervision of Imre Lakatos) in the early 70s. He has made his career at LSE and has for some years been Professor of Philosophy of Science there.

This is the link to a complete set of notes that I write for this course: Worrall – Introduction to Logic PH231/PH458 : Evidence and Policy Good policy decisions – whether concerning climate conservation, international development, poverty, education, medicine, or health – require rational deliberation over whether the proposed policy ...

Field training officers, their trainees, and allegations of misconduct.

Aug 2, 2011 · A profile of John Worrall, Professor of Philosophy, Department of Philosophy, Logic and Scientific Method.