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Table 2 Bradley–Terry (BT) model examining the effects of left lobe length, sum licking duration, and number of licking sequences on copulation success, in 53 trials with males that had surgically modified left genital lobes

From: Male genital lobe morphology affects the chance to copulate in Drosophila pachea

Variable Estimate Std. error z value P ( >|z|)
Sum licking duration 0.241981 0.166135 1.457 0.145
Left lobe 0.007070 0.004615 1.532 0.126
  1. Model: copulation success ~ sum licking duration + left lobe length, null deviance: 73.474 on 53 degrees of freedom, residual deviance: 68.163 on 51 degrees of freedom