Below are the videos and slides from the 7 talks from Session 3 and Session 4 of our workshop The Statistics Wars and Their Casualties held on December 1 & 8, 2022. Session 3 speakers were: Daniele Fanelli (London School of Economics and Political Science), Stephan Guttinger (University of Exeter), and David Hand (Imperial College London).  Session 4 speakers were: Jon Williamson (University of Kent),  Margherita Harris  (London School of Economics and Political Science), Aris Spanos (Virginia Tech), and Uri Simonsohn (Esade Ramon Llull University). Abstracts can be found here. In addition to the talks, you’ll find (1) a Recap of recaps at the beginning of Session 3 that provides a summary of Sessions 1 & 2, and (2) Mayo’s (5 minute) introduction to the final discussion: “Where do we go from here (Part ii)”at the end of Session 4.

The videos & slides from Sessions 1 & 2 can be found on this post.

Readers are welcome to use the comments to this blog post to make constructive comments or to ask questions of the speakers. If you’re asking a question, indicate to which speaker(s) it is directed. We will leave it to speakers to respond. Thank you!


Recap of recaps summary of Sessions 1 & 2:

Introduction to Session: Daniël Lakens (Eindhoven University of Technology)


Daniele Fanelli (London School of Economics and Political Science)
The neglected importance of complexity in statistics and Metascience


Stephan Guttinger (University of Exeter)
What are questionable research practices?


David Hand (Imperial College London)
What’s the question?


Discussion (Session 3): (a) Panel discussion of speakers; (b) general audience discussion; (c) “Where do we go from here (Part i)” participant discussion.



Introduction to Session 4: Deborah Mayo (Virginia Tech)


Jon Williamson (University of Kent)
Causal inference is not statistical inference


Margherita Harris (London School of Economics and Political Science)
On Severity, the Weight of Evidence, and the Relationship Between the Two


Aris Spanos (Virginia Tech)
Revisiting the Two Cultures in Statistical Modeling and Inference as they relate to the Statistics Wars and Their Potential Casualties


Uri Simonsohn (Esade Ramon Llull University)
Mathematically Elegant Answers to Research Questions No One is Asking (meta-analysis, random effects models, and Bayes factors)



Where Should Stat Activists Go From Here? Deborah Mayo (Virginia Tech):


Discussion: (a) Panel discussions; (b) General audience discussion; (c) “Where do we go from here (Part ii)” participants and audience.