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Table 2 Mixed Model Analyses (SPSS) for differences in body mass of offspring fathered either by mainland or island males.

From: Island selection on mammalian life-histories: genetic differentiation in offspring size

Source

ndf

ddf

F

Wald Z

P

Origin of sire

1

6.8

10.488

 

0.015

Sire

27

48.3

1.828

 

0.033

Dam (sire)

48

278

14.631

 

< 0.001

Population

   

0.240

0.810

  1. Origin of sire, sire and dam (within sire) were used as fixed factors and population as a random factor. ndf = numerator degrees of freedom, ddf = denominator degrees of freedom.