Table 1.

Lambda (λ) Parameter Estimates for All Life-History Traits in Primates.

Life-History Trait	λ	P (λ = 0)a
MLS	0.87	7.9e-24
LQ	0.69	6.4e-11
Adult body mass	1	2.9e-49
Female maturity	0.90	2.5e-28
Gestation length	0.93	6.3e-42
Weaning time	0.71	8.2e-14

^aSignificance of difference of the λ model from noise (λ = 0, LRT).