Figure 2
From: Nature of collective decision-making by simple yes/no decision units
Best performing parameters of the response threshold distribution in yes/no unit groups. Response threshold values follow a normal distribution with mean μ h and standard deviation σ h . Quality values of options follow a standard normal distribution. (a,b) The effect of different response threshold standard deviations on the proportion of correct choices. A high proportion of correct choices can be achieved with variance in the response threshold of units. (a,c) The effect of the mean response threshold on the proportion of correct choices. The results with 10 options are shown in (a). (d) The relationship between the number of options and the proportion of correct choice across different mean thresholds. Units that are more choosy (high mean) are needed to solve a difficult problem (i.e., relative evaluation of many options). The parameters that are not analysed here are set as default values in Table 1.
