Statistics for aggression by M. antarcticum, O. glaber and T. jocosus towards Argentine ants.

* P** PLogistic regression on displayed aggression by M. antarcticum, O. glaber and T. jocosus towards Argentine ants. The first two rows show the difference between aggressions by a species towards Argentine ants, with M. antarcticum as reference. The next three rows show aggression depending on pheromone concentration with the control treatment as a reference. ß is the log-odds units, S.E. the standard errors associated with the coefficients, Wald the Wald chi-square value, df the degrees of freedom, P the statistical significance and Exp(ß) the odds ratio.