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Table 2 Mean (± SD) aggression for each queen for different treatment groups and outcomes.

From: Bourgeois queens and high stakes games in the ant Aphaenogaster senilis

   Q1 wins Q2 wins No winner Overall
Treatment Q1 0.157 ± 0.131 (16) 0.005 ± 0.008 (3) 0.206 ± 0.078 (2) 0.140 ± 0.129 (21)
  Q2 0.003 ± 0.006 (16) 0.039 ± 0.050 (3) 0.002 ± 0.003 (2) 0.008 ± 0.021 (21)
Control Q1 0.116 ± 0.117 (16) 0.113 ± 0.078 (7) 0.211 (1) 0.119 ± 0.104 (24)
  Q2 0.003 ± 0.007 (16) 0.003 ± 0.007 (7) 0.014 (1) 0.004 ± 0.007 (24)
Overall Q1 0.136 ± 0.124 (32) 0.080 ± 0.083 (10) 0.208 ± 0.055 (3) 0.129 ± 0.115 (45)
  Q2 0.003 ± 0.007 (32) 0.013 ± 0.030 (10) 0.006 ± 0.007 (3) 0.006 ± 0.015 (45)
  1. Aggression (proportion of scans where queens exhibited aggressive behaviour) = antennation, stand-over and biting; sample sizes (number of groups) are given in parenthesis. See text for statistics and further information.