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Table 3 Nested analysis of variance comparing traits between selection treatments and between blocks nested within treatment. The means used in the analysis have been standardised for the effect of block.

From: Direct selection on male attractiveness and female preference fails to produce a response

Measured character Selection treatment Block within treatment
  df F P Df F P
PARTITIONED-AQUARIA BEHAVIOUR TRIALS       
Male attractiveness 3, 4 0.31 0.820 4, 444 0.21 0.935
Female preference for attractive males 3, 4 0.93 0.505 4, 444 0.31 0.869
Female responsiveness 3, 4 2.32 0.217 4, 444 1.30 0.268
Female discrimination 3, 4 0.22 0.881 4, 444 1.11 0.351
OPEN-AQUARIA BEHAVIOUR TRIALS       
Male attractiveness 3, 4 2.85 0.169 4, 376 0.47 0.760
Female responsiveness 3, 4 0.51 0.694 4, 184 0.91 0.459
MALE ORNAMENTATION       
Body size 3, 4 1.09 0.451 4, 444 6.49 0.000
Tail size 3, 4 1.67 0.309 4, 444 2.29 0.059
Black 3, 4 0.70 0.598 4, 444 1.52 0.194
Fuzzy black 3, 4 1.55 0.332 4, 444 0.82 0.513
Orange 3, 4 1.14 0.433 4, 444 3.11 0.015
Iridescence 3, 4 7.31 0.042 4, 444 0.49 0.746
Yellow 3, 4 4.52 0.090 4, 444 0.76 0.553
Tail colour 3, 4 0.23 0.874 4, 444 11.29 0.000
Spot number 3, 4 11.22 0.020 4, 444 4.70 0.001