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. 2017 Mar 7;7:43872. doi: 10.1038/srep43872

Figure 4. The learning speed of the bumblebees for each experiment.

Figure 4

(a) The number of training bouts required before progressing to the testing phase; (b) the cumulative distribution of the proportion of bees that progressed to the testing phase given the number of training bouts. Experiment 3 is included for comparison, but is not directly relatable to Experiments 1 and 2 due to slightly different methods of obtaining scent-marks.