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Table 1 Parameter estimates for the Linear Mixed Models (LMM) on the influence of the different playback stimuli and the genetic distance between species on the percentage of time spent looking towards the speaker for redfronted lemurs tested at Kirindy (a, b) and at Ranomafana (c, d)

From: The role of acoustic signals for species recognition in redfronted lemurs (Eulemur rufifrons)

  Model Response variable Random factors Fixed factors Estimate SE P-value
a LMM Percentage of time spent looking towards the speaker individual identity intercept 0.56 0.08 <0.001
E. rufus 0.02 0.11 0.81
E. albifrons −0.02 0.11 0.85
E. fulvus 0.01 0.11 0.91
E. rubriventer −0.33 0.11 0.003
sex −0.07 0.68 0.28
b LMM Percentage of time spent looking towards the speaker individual identity intercept 0.60 0.05 <0.001
genetic distance −0.08 0.02 <0.001
sex −0.07 0.07 0.29
c LMM Percentage of time spent looking towards the speaker individual identity intercept 0.28 0.1 <0.001
E. rubriventer 0.12 0.11 0.09
E. albifrons 0.19 0.11 0.49
sex 0.09 0.11 0.42
d LMM Percentage of time spent looking towards the speaker individual identity intercept 0.39 0.09 <0.001
genetic distance −0.001 0.02 0.97
sex 0.07 0.11 0.52