Table 1 Results of mixed-models analyzing nestling phenotypic variance in relation to brood size manipulation experiment (fixed effect), nest of origin and nest triplet (random effects; see text)

brood size manipulation

2,273.5

< 0.001

2,272.2

2,166.3

0.455

Random effect

var. comp.(s.e.)

LRT

p- value

var. comp. (s.e.)

p- value

var. comp. (s.e.)

LRT

nest of origin

0.747 (0.210)

23.113

< 0.001

0.148 (0.042)

< 0.001

0.014 (0.009)

2.159

nest triplet

0.374 (0.220)

2.141

0.039

0.047 (0.038)

0.187

0.027 (0.012)

4.460

error

0.951 (0.083)

0.190 (0.016)

0.116 (0.010)