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. 2007 Feb 6;3(2):137–139. doi: 10.1098/rsbl.2007.0017

Figure 2.

Figure 2

The advantage of large group size in individual decision making. Plot of quality of personal information (Ip), i.e. the probability that the information possessed by an individual is correct, against group size (n). Lines are plotted for odd n (3<n<21), where social information (Is) is correct with probability 0.5, 0.6 and 0.9.