PNAS (Proceedings of the National Academy of Sciences) • Vol/Iss. 111 (47) • Published In • Pages: 16784-16789 •
By Botero, Carlos A. , Gardner, Beth, Kirby, Kathryn R. , Bulbulia, Joseph, Gavin, Michael C. , Gray, Russell D.
The sample included 583 cultures from the Ethnographic Atlas which had information on religious beliefs and for which the researchers could find environmental data. Two-thirds of the sample was used to create a mathematical model; one-third was used to test the model.
Documents and Hypotheses Filed By: Tahlisa Brougham