1. The Intuitive Cooperation Hypothesis Revisited: A Meta-analytic Examination of Effect-size and Between-study Heterogeneity(With Eirik Strømland, Conny Wollbrant, David Andersson, Magnus Johannesson, Gustav Tinghög, Daniel Västfjäll & Kristian Myrseth)Journal of the Economic Science Association(2020)

  2. Comparing Meta-Analyses and Preregistered Multiple-Laboratory Replication Projects(With Eirik Strømland & Magnus Johannesson)Nature Human Behaviour(2020)

  3. Extending the Cooperative Phenotype: Assessing the Stability of Cooperation across Countries(With Eirik Strømland & Gustav Tinghög)Frontiers in Psychology(2017)