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Table 2 Determinants of male average prey item size (treatment n = 18, control n = 11)

From: Female attractiveness affects paternal investment: experimental evidence for male differential allocation in blue tits

  df F B ± SE p
Treatment   1.22 0.22 ± 0.19 0.28
Brood Size   0.02 −0.03 ± 0.24 0.61
Female UV Chroma   0.12 −0.07 ± 0.21 0.90
Egg-Laying Date   0.26 −0.10 ± 0.20 0.61
Treatment*Egg Laying Date 1,22 3.43 0.37 ± 0.19 0.08
Treatment*Brood Size   1.15 −0.25 ± 0.24 0.29
Treatment*Female UV Chroma   1.06 0.22 ± 0.21 0.32