On this page you can find data, codes and instructions. An somewhat earlier version with largely the same content as the final publication can be found on this page. Citation: Schwardmann, Peter and Joël J. Van der Weele. 2019. Deception and Self-Deception, Nature Human Behaviour, 2019, 3:10, 1055-61. Link to published version: https://rdcu.be/bWT3v This is Read-online only. Please contact the authors for a pdf of the final published version.