title: Understanding cumulative cultural evolution.
authors: Department of Human Evolutionary Biology, Harvard University, Cambridge, MA 02138; henrich@fas.harvard.edu.
authors: Joseph
authors: J
authors: Henrich
authors: School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287.
authors: Robert
authors: R
authors: Boyd
authors: Institute of Human Origins, Arizona State University, Tempe, AZ 85287.
authors: Maxime
authors: 0000-0002-1512-6496
authors: M
authors: Derex
authors: Institute of Human Origins, Arizona State University, Tempe, AZ 85287.
authors: Michelle A
authors: MA
authors: Kline
authors: Human Biological and Cultural Evolution Group, Department of Biosciences, University of Exeter, Penryn TR10 9FE, United Kingdom.
authors: Alex
authors: 0000-0002-7740-1625
authors: A
authors: Mesoudi
authors: Department of Psychological and Behavioural Science, London School of Economics and Political Science, London WC2A 2AE, United Kingdom.
authors: Michael
authors: M
authors: Muthukrishna
authors: Max Planck Institute for the Science of Human History, Jena 07743, Germany.
authors: Adam T
authors: AT
authors: Powell
authors: Institute of Archaeology, University College London, London WC1E 6BT, United Kingdom.
authors: Stephen J
authors: SJ
authors: Shennan
authors: Research Department of Genetics, Evolution and Environment, University College London, London WC1E 6BT, United Kingdom.
authors: Mark G
authors: MG
authors: Thomas