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. 2016 Mar 7;7:10915. doi: 10.1038/ncomms10915

Figure 2. Group success in reaching the target sum (left) and group investments (right).

Figure 2

(a,d) Six-players treatment; (b,e) 18-players treatment; (c,f) 6-representatives treatment. In f, the sum invested is divided by 3 to allow comparison among treatments. Means±s.e.m. of 15 groups per game and treatment are shown. See text for statistics.