Table 1. Tests for heterogeneity of within-line variances (a) Brown-Forsythe test. (b) Levene’s test.

(a)
Analysis	Trait	df	F	P-value
Females	Chill coma recovery	173	21.74	<0.0001
	Startle response	200	9.496	<0.0001
	Starvation resistance	196	5.316	<0.0001
Males	Chill coma recovery	173	17.981	<0.0001
	Startle response	200	8.051	<0.0001
	Starvation resistance	196	4.774	<0.0001
(b)
Analysis	Trait	df	F	P-value
Females	Chill coma recovery	173	34.704	<0.0001
	Startle response	200	11.193	<0.0001
	Starvation resistance	196	6.26	<0.0001
Males	Chill coma recovery	173	29.26	<0.0001
	Startle response	200	9.56	<0.0001
	Starvation resistance	196	5.928	<0.0001