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. 2013 Dec 10;10:74. doi: 10.1186/1742-9994-10-74

Figure 2.

Figure 2

Aggression indexes of guards during dyadic encounters according to the type of introduced workers. Each encounter (n = 111) lasted 5 minutes. Box plots represent mean ± SE and 95% confidence interval. The different letters denote statistical differences after post-hoc REGW comparison procedure.