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Table 3 Results of REML mixed models investigating factors affecting the female mate search and mating decisions

From: Females sample more males at high nesting densities, but ultimately obtain less attractive mates

Behaviour Fixed effect F df P
Number of males sampled Male Density 12.89 1, 21.1 <0.01
Day of Season 1.04 1, 22.62 0.32
Number of males with whom female initiated courtship Male Density 0.94 1, 18.83 0.35
Day of Season 0.29 1, 21.06 0.59
Number of female courtship initiation behavioursa Male Density 0.98 1, 17.33 0.34
Day of Season 0.72 1, 18.97 0.41
Number of male courtship behavioursa Male Density 0.02 1, 14.54 0.90
Day of Season <0.01 1, 16.14 0.94
Acceptance score Male Density 0.01 1, 18.19 0.92
Day of Season 0.05 1, 22.93 0.82
Responsiveness (follows/lead) Male Density <0.01 1, 4.79 0.95
Day of Season 0.29 1, 9.785 0.60
Chosen male red index Male Density 4.95 1, 10.60 0.02
Day of Season 7.13 1, 10.35 0.01
Chosen male red index rank Male Density <0.01 1, 15.08 0.96
Day of Season 0.07 1, 17.12 0.81
Chosen male courtship vigoura Male Density 0.45 1, 10.48 0.52
  Day of Season 0.03 1, 12.49 0.87
Chosen male courtship vigour rank Male Density 7.78 1, 15.92 0.01
Day of Season 0.02 1, 18.06 0.89
  1. Significant results are indicated in bold
  2. aindicates models in which behaviours were assessed per minute to account for trials ending upon nest entry