Table 1.

Mixed model ANOVAs (REML estimation) comparing time until hatching between treatments of (a) sperm selection and (b) egg competition.

response variable	fixed effect	F	d.f.	p	variance components ± s.e.
(a) sperm selection	treatment	3.69	2,49.2	0.032	pair ID 11.05 ± 3.88 treatment × pair ID 7.04 ± 1.52
(b) egg competition	treatment	3.39	2,30.2	0.031	pair ID 0.66 ± 0.30 treatment × pair ID 0.03 ± 0.01