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Table 2 Parameters of the models for larva production over time in the control (n = 23) and treatment (n = 18) colonies

From: Experimental increase of worker diversity benefits brood production in ants

Parameter Estimate control (± se) Estimate treatment (± se) t-value p-value
Asym 54.6 ± 4.0 70.0 ± 6.0 2.56 0.011
xmid 33.5 ± 0.7 34.5 ± 1.0 0.94 0.349
scal 3.24 ± 0.2 3.9 ± 0.3 2.00 0.046
  1. The models are based on a logistic growth function \(y = \frac{Asym}{{1 + e^{{\frac{xmid - x}{{scal}}}} }}\). y stands for the number of larvae, x is the number of days after setup, and the parameters estimated by the models are the asymptote (Asym), the timing of the growth (xmid) and the rate of the growth (scal)