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Tube test for social dominance.
| Treatment | % wins | p value |
|---|---|---|
| Ctl (n = 36) | 49.5 | |
| VPA (n = 36) | 22.0 | <0.05 |
| Cd (n = 36) | 30.3 | >0.05 |
| Pb (n = 36) | 44.3a | >0.05 |
| As (n = 36) | 52.5 | >0.05 |
| Mn (n = 36) | 19.2 | <0.01 |
| Hg (n = 36) | 28.9 | >0.05 |
The mean values were analyzed using a nonparametric ANOVA (Kruskal-Wallis test) with Dunn's multiple comparison test.
a25% of matches crossed over or “timed out,” leaving the match unscored.
