> [1] 这里有一个最近的报告,提到以前的实验:Barreda-Tarrazona, Jaramillo-Gutiérrez, Pavan, and Sabater-Grande, “Individual Characteristics vs. Experience: An Experimental Study on Cooperation in Prisoner’s Dilemma", Frontiers in Psychology, 2017; 8: 596. <https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5397528/>。