Table 1.

Analysis of variance (A) and analysis of covariance (B) of development time.

	SS	d.f.	F	p	prand
A
population	31.9	11	55.4	<0.001	<0.001
sex	8.38	1	160.1	<0.001	<0.001
population × sex	1.13	11	2.0	0.029	0.029
residual	55.5	1060
Ba
population	32.0	11	55.9	<0.001	<0.001
sex	1.71	1	32.9	<0.001	<0.001
population × sex	1.10	11	1.9	0.033	0.034
body size	0.41	1	7.8	0.005	0.007
residual	55.1	1059

^aInteractions involving body size (two- and three-way) did not improve model fit (F_23,1036 = 1.41, p = 0.095) and were thus not included in the inferential ANCOVA.